60624’s clearest tension is between a rising ZIP asking-rent index and the income benchmark used for a mechanical screen. In June 2026, Zillow’s ZIP-level ZORI is $1,804 per month. This is a typical observed asking-rent index blended across rental types, rather than a quote for one apartment. Annualizing that index and dividing by 30% produces $72,160 of required household income. The matched ZCTA’s median household income is $34,030, so the annualized index equals 63.6% of that benchmark. The calculation exposes an affordability tension, but it is not advice or an applicant qualification rule.
Same-month ZORI history makes the affordability tension more consequential but does not convert it into a forecast. Through the supplied endpoint, annualized changes were 6.6% over one year, 7.6% over three years, and 7.1% over five years. The latest pace is positive but slower than both longer windows, so recent direction confirms the upward path while easing from its longer-run rate. Coverage is 100%. Annualized monthly-return variability measures 3.1%, meaning the past index path was not mechanically smooth; that tempers confidence in a single current snapshot as a unit-level price. Separately, the deepest historical peak-to-trough index fall was 2.4%. Transparent national discovery ranks among history-eligible ZIPs were 87 for momentum, 1,793 for stability, and 373 for the balanced measure, where a lower rank is higher. These are backward-looking measurements, not forecasts or investment recommendations.
Source definitions explain why contemporaneous-looking numbers differ. The five-digit 60624 label has a matched Census ZCTA, but a ZCTA is a statistical area and is not identical to a USPS delivery ZIP. The ACS 2024 five-year survey reports median gross rent of $1,167 for occupied renter homes and includes selected utilities; it is not a current asking-rent series. Against that survey measure, the current Zillow asking-rent index is 54.6% higher. HUD’s FY 2026 local two-bedroom FMR/SAFMR standard is $1,540. That is an administrative, bedroom-specific standard rather than asking rent, so it should not be read as a competing rental listing.
HUD supplies the scaling ladder, not observations of what each bedroom type asked. Scaling the ZIP ZORI by that local ladder produces modelled monthly ZIP estimates of $1,499 for a studio, $1,605 for one bedroom, $1,804 for two bedrooms, $2,319 for three bedrooms, and $2,683 for four bedrooms. The two-bedroom modelled estimate matches the headline index because the ladder is normalized to its two-bedroom HUD standard. These are modelled estimates, never measured bedroom rents: no result identifies a unit’s layout, condition, utilities, lease terms, or availability.
ACS stock indicators frame, but do not resolve, the affordability screen. The matched ZCTA contains 16,145 housing units and has a 16.4% vacancy rate. Renters account for 71.2% of occupied homes, while 173 units are reported vacant for rent. Those aggregate figures do not demonstrate that a particular property is open, discounted, or suitable for a given household. The same ACS survey reports that 62.3% of renter households pay at least 30% of income toward gross rent. Since the measure is survey-based, household-specific, and uses gross rent, it cannot establish the burden or cash flow of any identified unit.
Broader benchmarks point to a different rent level, but remain context rather than substitutes for ZIP evidence: in the City of Chicago context, the asking-rent index is $2,408.80; in Cook County context, it is $2,336; and in the Chicago-Naperville-Elgin, IL-IN-WI metro context, it is $2,275. Each exceeds the ZIP index, yet all three cover wider geographies and their own rental mixes. They neither override the matched-ZCTA ACS survey nor determine a ZIP unit’s asking price. The lower ZIP index can coexist with the area’s sharper income and burden signals because the sources measure different populations and constructs, not because one series corrects another.
The supplied direct rolling-three-month ZIP resale observation belongs exclusively to the for-sale market. Median sold price was $374,915, up 6.5% from a year earlier; 46 homes sold, and median marketing time was 71 days. Inventory stood at 111 homes, with 7.3 months of supply. For-sale pricing signals were an average 100.6% sale-to-list ratio and a 31.1% share sold above list. These are resale, not rental, transactions. Annualized ZIP ZORI divided by median sold price yields a 5.8% cross-source screening ratio only; it does not capture income collected, operating costs, financing, or property-level economics. The similar positive rent-index and sold-price changes confirm only parallel direction in their separate series, while the marketing time and supply challenge any simple reading of uniformly rapid resale liquidity. The resale evidence does not resolve the rent-to-income or burden tension.
Several limits preserve decision usefulness. An asking-rent index is not a live availability record; ACS is not a current lease ledger; HUD is not a landlord quote; and Redfin resale data are not rental comparables. Survey margins of error also apply to the ACS estimates. For a property-level review, verify the actual asking amount, bedroom count, floor area, included utilities, recurring fees, lease length, condition, listing status, and whether its location is assigned to the relevant ZIP. Then separate any comparable-sale review by property type and transaction date. Vacancy and burden statistics describe aggregates, not proof about a particular unit. For a specific listing, can its documented terms be checked against the appropriate modelled benchmark rather than inferred from area averages?
","findings":[{"body":"Zillow’s June 2026 ZORI places the ZIP at $1,804 per month, and the one-year change is 6.6%. A mechanical 30% income screen equals $72,160 annually, compared with the matched ZCTA’s $34,030 median household income. That contrast is an area-level arithmetic signal only; it does not judge any household’s income, lease eligibility, or actual rent payment.","title":"Current affordability arithmetic"},{"body":"Same-month ZORI history shows annualized gains of 6.6% over one year, 7.6% over three years, and 7.1% over five years. The latest rate remains positive but is below both longer windows. Complete supplied coverage improves confidence that the measured history is observed, while 3.1% variability and a 2.4% drawdown limit confidence in any one current index snapshot.","title":"History is positive but not frictionless"},{"body":"ACS median gross rent and Zillow ZORI cannot be used as identical rental comparables. ACS surveys occupied renter homes over five years and includes selected utilities, whereas Zillow captures a typical current asking-rent index across rental types. HUD’s bedroom figures are administrative standards. The studio-through-four-bedroom ZIP amounts therefore scale ZORI with the HUD ladder and are modelled, not measured bedroom rents.","title":"Rental sources answer different questions"},{"body":"Redfin’s direct ZIP resale evidence reports a rising median sold price but also a multi-month supply position and extended median marketing time. Its sale-to-list outcomes belong to for-sale transactions. The annualized ZORI-to-price result is only a cross-source screen; it does not include expenses, financing, property condition, or rent actually collected. It remains a scope-limited comparison rather than a property-level conclusion.","title":"Resale screen is not property economics"}],"risks":["Zillow ZORI, ACS gross rent, HUD standards, and Redfin resale statistics describe different populations, definitions, and observation windows. Treating them as interchangeable rental comparables would create false precision and could distort a property-level comparison.","The required-income screen uses a ZIP index and a median-income statistic, while the burden measure is an aggregate survey result. Neither reveals a given renter’s earnings, household size, utilities, subsidy, debt, or lease terms.","Historical coverage is complete for the supplied series, but its variability and past drawdown are retrospective measurements. They do not guarantee the next index movement, an individual renewal outcome, or availability at the current index.","Resale prices, supply, and sale-to-list outcomes arise from for-sale transactions during a rolling window. They do not establish rental demand, property expenses, building condition, or the price achievable by a particular rental unit."],"qa":[{"a":"At the stated June 2026 point, Zillow ZORI is a ZIP-level typical observed asking-rent index blended across rental types. It summarizes an index, not a lease signed by a specific household, a set of bedroom-specific rent quotes, a vacancy count, or the rent for any listed property.","q":"What does Zillow ZORI measure in this report?"},{"a":"ACS reports a five-year survey of occupied renter homes in the matched ZCTA and includes selected utilities in gross rent. Zillow measures a current ZIP asking-rent index, while HUD supplies an administrative bedroom standard. A ZCTA is a statistical area, not the same thing as a USPS delivery ZIP, so geography and definitions must remain explicit.","q":"Why is ACS median gross rent lower than the Zillow index?"},{"a":"Each studio-through-four-bedroom amount is a modelled monthly ZIP estimate created by scaling the current ZORI with the local HUD bedroom ladder. They support internally consistent size comparisons, but they are not measured asking rents, executed leases, or advertisements. Unit features, utility treatment, and available inventory can differ materially from those scaled figures.","q":"How were the bedroom amounts created?"},{"a":"Redfin provides a direct rolling three-month ZIP resale observation, not rental transactions. Its median sold price and sales pace can be paired with annualized ZORI only to form a cross-source screening ratio. That calculation leaves out operating expenses, financing, taxes, insurance, property condition, and rent actually collected; it cannot establish property-level economics.","q":"How should the Redfin resale figures be interpreted?"}],"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":"2021-03-01","rent":1273.770305},{"period":"2021-04-01","rent":1265.719546},{"period":"2021-05-01","rent":1272.382198},{"period":"2021-06-01","rent":1281.460233},{"period":"2021-07-01","rent":1288.401278},{"period":"2021-08-01","rent":1316.765862},{"period":"2021-09-01","rent":1306.722168},{"period":"2021-10-01","rent":1325.669824},{"period":"2021-11-01","rent":1299.680646},{"period":"2021-12-01","rent":1318.642554},{"period":"2022-01-01","rent":1321.499249},{"period":"2022-02-01","rent":1317.083149},{"period":"2022-03-01","rent":1319.055019},{"period":"2022-04-01","rent":1339.898289},{"period":"2022-05-01","rent":1371.194179},{"period":"2022-06-01","rent":1378.04197},{"period":"2022-07-01","rent":1381.796813},{"period":"2022-08-01","rent":1382.242389},{"period":"2022-09-01","rent":1396.461745},{"period":"2022-10-01","rent":1398.677311},{"period":"2022-11-01","rent":1412.000631},{"period":"2022-12-01","rent":1411.603639},{"period":"2023-01-01","rent":1430.984017},{"period":"2023-02-01","rent":1464.808779},{"period":"2023-03-01","rent":1460.295756},{"period":"2023-04-01","rent":1452.427999},{"period":"2023-05-01","rent":1429.777097},{"period":"2023-06-01","rent":1448.267916},{"period":"2023-07-01","rent":1463.485539},{"period":"2023-08-01","rent":1477.530877},{"period":"2023-09-01","rent":1484.34943},{"period":"2023-10-01","rent":1483.416559},{"period":"2023-11-01","rent":1499.805816},{"period":"2023-12-01","rent":1521.895238},{"period":"2024-01-01","rent":1534.576598},{"period":"2024-02-01","rent":1534.74435},{"period":"2024-03-01","rent":1561.566583},{"period":"2024-04-01","rent":1588.597523},{"period":"2024-05-01","rent":1587.622144},{"period":"2024-06-01","rent":1572.814212},{"period":"2024-07-01","rent":1573.811118},{"period":"2024-08-01","rent":1583.318027},{"period":"2024-09-01","rent":1608.922961},{"period":"2024-10-01","rent":1612.963773},{"period":"2024-11-01","rent":1622.572595},{"period":"2024-12-01","rent":1622.315339},{"period":"2025-01-01","rent":1636.56546},{"period":"2025-02-01","rent":1662.276092},{"period":"2025-03-01","rent":1682.245937},{"period":"2025-04-01","rent":1661.684939},{"period":"2025-05-01","rent":1673.770503},{"period":"2025-06-01","rent":1691.350404},{"period":"2025-07-01","rent":1703.912226},{"period":"2025-08-01","rent":1710.334543},{"period":"2025-09-01","rent":1706.324478},{"period":"2025-10-01","rent":1725.709832},{"period":"2025-11-01","rent":1730.648568},{"period":"2025-12-01","rent":1742.40387},{"period":"2026-01-01","rent":1744.216147},{"period":"2026-02-01","rent":1741.261819},{"period":"2026-03-01","rent":1738.004974},{"period":"2026-04-01","rent":1766.59068},{"period":"2026-05-01","rent":1787.848462},{"period":"2026-06-01","rent":1803.703704}],"historySummary":{"pointCount":64,"firstPeriod":"2021-03-01","latestPeriod":"2026-06-01","coverageMonths":64,"coverageRatio":1,"changes":{"1":{"years":1,"startPeriod":"2025-06-01","endPeriod":"2026-06-01","startRent":1691.350404,"endRent":1803.703704,"change":0.06642816280664698,"cagr":0.06642816280664698},"3":{"years":3,"startPeriod":"2023-06-01","endPeriod":"2026-06-01","startRent":1448.267916,"endRent":1803.703704,"change":0.24542129537861013,"cagr":0.07590046646905968},"5":{"years":5,"startPeriod":"2021-06-01","endPeriod":"2026-06-01","startRent":1281.460233,"endRent":1803.703704,"change":0.4075377897427115,"cagr":0.07075968860632487}},"maxDrawdown":-0.02391553252699341,"annualizedVolatility":0.03106577678351849,"consecutiveReturnCount":63}}