Rent and resale are moving at different speeds in the 60563 evidence, so source discipline is central. In June 2026, Zillow ZORI is $2,138 per month, up 2.3% year over year. ZORI is a ZIP-level typical observed asking-rent index blended across rental types, rather than a lease-by-lease transaction series. The five-digit label is both Zillow’s ZIP market identifier and a Census ZCTA match; a ZCTA is a statistical area and is not identical to a USPS delivery ZIP. Annualized ZIP ZORI divided by the ZIP median sold price produces a 5.27% cross-source screening ratio. It is not a measure of operating income, financing, or net property economics. Direct resale evidence belongs in a different market universe and is considered separately below.
The historical Zillow series through its stated endpoint records positive rent growth, but the tempo has cooled. Its exact same-month annualized change was 2.3% over 1 year, 3.5% over 3 years, and 5.6% over 5 years. Thus, the latest direction confirms the longer upward path while breaking from its faster earlier pace. The series has 65 monthly observations with 100% reported coverage. Monthly changes produced 2.0% annualized variability, which raises confidence that the current index is not simply a sharp one-month swing, while still leaving it an index rather than a quote for a particular home. The largest observed peak-to-trough decline was 1.4%, a limited historical setback rather than protection against future change. National discovery ranks among history-eligible ZIPs were 1,072 for momentum, 129 for stability, and 301 for balanced performance; lower ranks are higher. Each is a transparent backward-looking discovery measure, not a forecast or investment recommendation.
Bedroom detail should not be mistaken for a measurement of available apartments. Scaling ZIP ZORI with the supplied local HUD FMR/SAFMR ladder generates modelled monthly ZIP estimates of $1,773 for a studio, $1,897 for a one-bedroom, $2,138 for a two-bedroom, $2,753 for a three-bedroom, and $3,189 for a four-bedroom. These are modelled estimates, never measured bedroom rents. The HUD FMR/SAFMR ladder is an administrative, bedroom-specific standard, not asking rent, and its role here is only to set the relative bedroom scaling. The method retains the all-rental-type ZORI anchor while applying the local HUD step pattern. It cannot show a unit’s features, quoted rent, included utilities, or availability.
The matched Census ZCTA’s ACS 2024 five-year survey answers a different question: it covers occupied renter homes, and its median gross rent of $1,835 includes selected utilities. That survey median is below the current ZORI, so these figures should not be treated as conflicting quotes for the same unit or as interchangeable affordability data. The same survey reports median household income of $109,783. Applying the current asking-rent index to a 30% income share gives a required annual income of $85,520; this is arithmetic, not advice and not an applicant qualification rule. Yet 41.4% of surveyed renter homes met or exceeded that burden threshold. The burden statistic describes surveyed occupied renter homes and does not prove what any future applicant can pay or what a particular unit will cost.
Survey housing stock provides a separate capacity backdrop. The ACS ZCTA estimates 17,294 housing units and a 3.9% vacancy rate. Its reported inventory spans single-family and large multifamily structures, documenting a mixed stock rather than a set of current rental listings. Those measurements describe the ZCTA statistical area over the survey horizon; they neither establish a landlord’s current availability nor make vacancy evidence about any particular unit. They also cannot tell whether the ZORI movement came from any one structure type. Read them as a broad composition and occupancy frame alongside, not inside, the asking-rent series.
Wider geographies set useful reference points but do not replace ZIP evidence. Naperville city context rent is about $2,310, DuPage County context rent is $2,140, and Chicago-Naperville-Elgin, IL-IN-WI metro context rent is $2,275. In that same context, the ZIP asking-rent index sits below the city and metro figures and nearly matches the county figure. These city, county, and metro measures remain wider-scope context, not substitutes for the ZIP-level index or ZCTA survey. The comparison highlights that the ZIP’s current index is not elevated relative to every surrounding benchmark, but it neither changes the ACS burden finding nor establishes a rent for a specific address.
Redfin’s direct rolling-three-month ZIP resale observation is more forceful on price than the rent series, but it is a for-sale market, not rental transactions. It reports a $486,890 median sold price, rising 15.9% year over year, alongside 137 homes sold and a 45-day median marketing time. Inventory stood at 142 homes and 3.1 months of supply. The average sale-to-list result was 100.21%, with 38.4% of sales above list and 55.3% moving off market within the measure’s short window. These are resale liquidity and pricing signals only. Price appreciation has materially outpaced the current rent increase, which challenges any simple reading of the rent-price screening ratio as a stable property-level relationship. That tension also sits beside slower recent rent momentum and the surveyed burden rate; it does not show causal links between those separate measures.
Several practical limits remain. Zillow ZORI is a blended asking-rent index, ACS is a five-year survey of occupied renter homes with gross-rent utility treatment, HUD is an administrative standard, and Redfin records resale outcomes. None supplies unit-specific effective rent, concession terms, physical condition, lease length, or utility responsibility. A property-level review can compare the actual advertised rent and any concessions with the relevant modelled bedroom estimate, verify bedroom count and included utilities, and check the address’s geography against the ZIP/ZCTA match. It can also distinguish active resale listings and completed resale records from rental alternatives, rather than using a resale price as a rental comparable. Does the specific unit’s effective asking rent, layout, utilities, availability, and lease terms align with the index-based screen rather than merely resemble it?
","findings":[{"body":"Zillow’s June 2026 ZIP index is $2,138, and the 2.3% same-month annual gain is positive but below the 3-year and 5-year annualized changes. The full observed monthly coverage, modest variability, and limited historical pullback make the current reading more stable than a sharply erratic series. This is a backward-looking rent-index interpretation, not a projection.","title":"Rent growth is positive but has decelerated"},{"body":"The bedroom figures are calculated by applying the local HUD ladder to all-type ZIP ZORI. They are modelled estimates for studio through four-bedroom layouts, not observed asking rents. HUD’s administrative standard is bedroom specific while ZORI is blended across rental types; neither source identifies actual condition, concessions, utilities, availability, or quoted rents for an individual home.","title":"The bedroom ladder is modelled, not observed"},{"body":"The ACS ZCTA survey shows a lower gross-rent median than ZORI while also recording a meaningful share of renter homes above the burden threshold. This is not a contradiction: ACS is a five-year survey of occupied renter homes and includes selected utilities, whereas ZORI tracks observed asking-rent conditions. The required-income figure is only a 30% arithmetic comparison with an area median income.","title":"The affordability screen and burden measure answer different questions"},{"body":"Redfin’s direct ZIP resale data show sale prices rising much faster than the rent index. Sales volume, marketing time, inventory, supply, and sale-to-list results describe resale liquidity rather than rental demand or property economics. The annualized-rent-to-median-price figure is useful only as a cross-source screen; divergent price and rent paths prevent it from serving as a unit-level conclusion.","title":"Resale pricing has advanced faster than the rent index"}],"risks":["Zillow ZORI, ACS gross rent, the HUD FMR/SAFMR ladder, and Redfin resale figures have distinct populations, inclusion rules, and purposes. Treating them as interchangeable unit rents would create a materially misleading comparison.","The historical window is complete in the supplied record, but it covers an index rather than a selected home. Its low variability and limited drawdown cannot establish a future asking rent, renewal outcome, or concession.","An area median income and a fixed percentage of asking rent cannot determine household-specific eligibility, debt capacity, utility costs, or the affordability of a particular available home.","ZCTA boundaries are statistical and do not equal delivery ZIP geography, while vacancy and stock figures are survey aggregates. Neither an area vacancy rate nor a burden share demonstrates availability or terms for an individual rental."],"qa":[{"a":"It is Zillow ZORI for ZIP 60563 in June 2026: a typical observed asking-rent index blended across rental types. It is not an average of signed leases, a quoted rent for a stated bedroom count, or the ACS median gross-rent statistic.","q":"What exactly does the $2,138 current rent figure represent?"},{"a":"ACS reports a matched Census ZCTA five-year survey of occupied renter homes, and its median gross rent includes selected utilities. Zillow measures a typical observed asking-rent index at ZIP scope. Different populations, utility treatment, and survey-versus-index methods mean the gap is a source-scope distinction, not a contradiction or a unit-specific discount.","q":"Why can ACS gross rent differ from Zillow ZORI?"},{"a":"No. Each modelled estimate scales ZIP ZORI using the relative local HUD FMR/SAFMR bedroom ladder. That HUD schedule is an administrative bedroom-specific standard, not asking rent. The results form a consistent modelled ladder but cannot confirm current listings, unit quality, lease terms, utilities, availability, or concessions.","q":"Are the bedroom estimates measured rents for currently available units?"},{"a":"Redfin’s direct rolling-three-month ZIP evidence covers for-sale and resale activity, including sold prices, marketing time, inventory, supply, and sale-to-list outcomes. It does not provide rental transactions. Annualized ZORI divided by median sold price is only a cross-source screen and cannot establish operating costs, financing effects, or a specific home’s rental economics.","q":"How should the Redfin resale results be read alongside rent evidence?"}],"sources":[{"key":"apartment_list_time_on_market","name":"Apartment List Time on Market — listing liquidity","release":"Apartment List 2026-07","pulledAt":"2026-08-08","url":"https://www.apartmentlist.com/research/category/data-rent-estimates"},{"key":"apartment_list_vacancy","name":"Apartment List Vacancy Index — rental vacancy","release":"Apartment List 2026-07","pulledAt":"2026-08-08","url":"https://www.apartmentlist.com/research/apartment-list-vacancy-index-methodology"},{"key":"census_zcta_facts","name":"Census ACS five-year — ZCTA housing and income","release":"ACS 2024 5-year ZCTA","pulledAt":"2026-08-08","url":"https://api.census.gov/data/2024/acs/acs5.html"},{"key":"hud_zip","name":"HUD USPS crosswalk and Small Area FMRs — ZIP rent fallback","release":"ZIP-CBSA 2025Q4 + SAFMR FY2026","pulledAt":"2026-07-26","url":"https://www.huduser.gov/portal/datasets/usps_crosswalk.html"},{"key":"realtor_county","name":"Realtor.com Economic Research — county listing inventory","release":"county inventory 2026-06","pulledAt":"2026-07-28","url":"https://www.realtor.com/research/data/"},{"key":"redfin","name":"Redfin Data Center — inventory, days on market, and price cuts","release":"metro tracker through 2026-05-01","pulledAt":"2026-07-26","url":"https://www.redfin.com/news/data-center/"},{"key":"redfin_zip","name":"Redfin Data Center — ZIP resale activity and supply","release":"ZIP rolling 3 months through 2026-06-30; updated 2026-07-03","pulledAt":"2026-08-12","url":"https://www.redfin.com/news/data-center/"},{"key":"zillow_county","name":"Zillow ZHVI and ZORI — county values and rents","release":"county ZHVI/ZORI 2026-06","pulledAt":"2026-07-26","url":"https://www.zillow.com/research/data/"},{"key":"zillow_zori","name":"Zillow ZORI — metro market rents","release":"Metro_zori_uc_sfrcondomfr_sm_sa_month.csv","pulledAt":"2026-07-26","url":"https://www.zillow.com/research/data/"},{"key":"zillow_zori_city","name":"Zillow ZORI — city market rents","release":"zillow_zori_city.csv","pulledAt":"2026-07-29","url":"https://www.zillow.com/research/data/"},{"key":"zillow_zori_zip","name":"Zillow ZORI — ZIP market rents","release":"ZORI ZIP 2026-06","pulledAt":"2026-08-08","url":"https://www.zillow.com/research/data/"}],"history":[{"period":"2021-02-01","rent":1535.140002},{"period":"2021-03-01","rent":1548.579921},{"period":"2021-04-01","rent":1574.328642},{"period":"2021-05-01","rent":1606.702698},{"period":"2021-06-01","rent":1629.611875},{"period":"2021-07-01","rent":1643.096966},{"period":"2021-08-01","rent":1658.499394},{"period":"2021-09-01","rent":1681.282534},{"period":"2021-10-01","rent":1698.0747},{"period":"2021-11-01","rent":1717.050342},{"period":"2021-12-01","rent":1720.070518},{"period":"2022-01-01","rent":1741.637507},{"period":"2022-02-01","rent":1750.249974},{"period":"2022-03-01","rent":1780.336318},{"period":"2022-04-01","rent":1786.219406},{"period":"2022-05-01","rent":1812.14305},{"period":"2022-06-01","rent":1823.710286},{"period":"2022-07-01","rent":1841.039278},{"period":"2022-08-01","rent":1848.676141},{"period":"2022-09-01","rent":1858.398397},{"period":"2022-10-01","rent":1863.515268},{"period":"2022-11-01","rent":1869.285571},{"period":"2022-12-01","rent":1880.561974},{"period":"2023-01-01","rent":1879.03396},{"period":"2023-02-01","rent":1897.589308},{"period":"2023-03-01","rent":1894.275667},{"period":"2023-04-01","rent":1910.501848},{"period":"2023-05-01","rent":1908.860229},{"period":"2023-06-01","rent":1927.237252},{"period":"2023-07-01","rent":1946.059307},{"period":"2023-08-01","rent":1964.626958},{"period":"2023-09-01","rent":1977.825868},{"period":"2023-10-01","rent":1988.361719},{"period":"2023-11-01","rent":1995.806869},{"period":"2023-12-01","rent":2017.982321},{"period":"2024-01-01","rent":2027.657975},{"period":"2024-02-01","rent":2034.747012},{"period":"2024-03-01","rent":2029.141433},{"period":"2024-04-01","rent":2033.527428},{"period":"2024-05-01","rent":2038.15441},{"period":"2024-06-01","rent":2032.576861},{"period":"2024-07-01","rent":2029.505683},{"period":"2024-08-01","rent":2038.996587},{"period":"2024-09-01","rent":2043.29815},{"period":"2024-10-01","rent":2051.365524},{"period":"2024-11-01","rent":2033.139088},{"period":"2024-12-01","rent":2022.606455},{"period":"2025-01-01","rent":2034.548565},{"period":"2025-02-01","rent":2053.416252},{"period":"2025-03-01","rent":2073.328883},{"period":"2025-04-01","rent":2069.606158},{"period":"2025-05-01","rent":2081.443358},{"period":"2025-06-01","rent":2090.645659},{"period":"2025-07-01","rent":2097.095336},{"period":"2025-08-01","rent":2095.473505},{"period":"2025-09-01","rent":2099.18853},{"period":"2025-10-01","rent":2101.962471},{"period":"2025-11-01","rent":2125.808544},{"period":"2025-12-01","rent":2135.472314},{"period":"2026-01-01","rent":2135.235439},{"period":"2026-02-01","rent":2126.126728},{"period":"2026-03-01","rent":2126.121533},{"period":"2026-04-01","rent":2135.594101},{"period":"2026-05-01","rent":2135.621596},{"period":"2026-06-01","rent":2138.204371}],"historySummary":{"pointCount":65,"firstPeriod":"2021-02-01","latestPeriod":"2026-06-01","coverageMonths":65,"coverageRatio":1,"changes":{"1":{"years":1,"startPeriod":"2025-06-01","endPeriod":"2026-06-01","startRent":2090.645659,"endRent":2138.204371,"change":0.02274833700070844,"cagr":0.02274833700070844},"3":{"years":3,"startPeriod":"2023-06-01","endPeriod":"2026-06-01","startRent":1927.237252,"endRent":2138.204371,"change":0.10946608611942699,"cagr":0.035232768675741655},"5":{"years":5,"startPeriod":"2021-06-01","endPeriod":"2026-06-01","startRent":1629.611875,"endRent":2138.204371,"change":0.3120942500495707,"cagr":0.055827590068475486}},"maxDrawdown":-0.014019475643678447,"annualizedVolatility":0.01997546963939886,"consecutiveReturnCount":64}}