Resale momentum and the local income screen create the central tension in 60626. 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. Zillow’s typical observed asking-rent index, blended across rental types, was $1,772, up 6.8% year over year. For wider context only, Chicago city’s asking-rent context was $2,408.80, Cook County’s context was $2,336, and the Chicago-Naperville-Elgin, IL-IN-WI metro context was $2,275. Those broader figures describe their named geographies, not substitutes for ZIP-level rental observations.
The backward-looking Zillow history supports a stable-growth reading rather than a sudden break in direction. Exact same-month asking-rent changes were 6.8% over one year, 6.3% over three years, and 7.0% over five years, so the latest movement broadly confirms the longer path. History coverage was 100%, allowing the current reading to be placed against the complete supplied series. Monthly rent changes produced 1.7% annualized variability, which indicates a comparatively contained historical path and supports more confidence in the directional signal than in a single monthly quote. Separately, the deepest observed drawdown was 1.1%, showing that declines did occur, though they were limited in the measured period. Transparent national discovery ranks among history-eligible ZIPs were 111 for momentum, 26 for stability, and 6 for the balanced measure; these are discovery tools, not forecasts or investment recommendations.
Bedroom figures require careful source handling. The monthly ZIP estimates are modelled estimates created by scaling Zillow’s ZIP index through the local HUD bedroom ladder: $1,471 for a studio, $1,577 and $1,772 through the intermediate layouts, then $2,286 and $2,640 at the larger listed layouts. They are not measured bedroom rents or unit-specific rental comps. The associated HUD FMR/SAFMR ladder runs from $1,660 at the studio end to $2,980 at the largest listed bedroom size. HUD is an administrative, bedroom-specific standard rather than asking rent, so its relationship to the Zillow index helps construct the modelled ladder but does not establish what a particular available home is advertised for.
Affordability evidence points to a meaningful separation between the current asking-rent index and survey-based household resources. The matched ZCTA’s median household income was $59,713, while the arithmetic income needed to place the current Zillow index at the 30% threshold was $70,880. At that index level, asking rent equals 35.6% of median household income. This required-income screen is arithmetic only: it is not advice and is not an applicant qualification rule. In the ACS five-year survey of occupied renter homes, median gross rent was $1,331, including selected utilities, or 33.1% below the current asking-rent index. The survey also found that 48.4% of renter households were burdened at or above the stated threshold. These ACS measures are a different universe from current advertised asking rents.
The matched ZCTA survey describes a renter-heavy housing base, not the availability of any specific apartment. It counted 26,946 housing units, with renters comprising 72.7% of occupied homes and large multifamily structures accounting for 12,122 units. The reported vacancy rate was 9.7%, including 1,147 homes classified as vacant and for rent. That inventory context may help frame the breadth of rental housing represented in the survey, but vacancy classifications do not prove a particular unit’s condition, price, lease terms, or immediate availability. Likewise, a substantial renter share does not establish that all renter households face the same asking-rent level, because the Zillow index and ACS occupied-home survey measure different populations and time frames.
Redfin’s direct rolling-three-month ZIP resale observation describes a for-sale market, not rental transactions. Median sold price was $292,434, rising 20.6% year over year, while 119 homes sold and median marketing time was 43 days. The observation recorded 220 active listings, inventory of 87 homes, and inventory growth of 28.1%, alongside 2.2 months of supply. Sale-to-list evidence was firm: the average sale-to-list ratio was 102.8%, 57.0% of sales closed above list, and 58.1% of listings went off market within two weeks. These measures indicate the character of the supplied resale snapshot only; they are not rental comps, operating evidence, or proof that rent and sale prices move together.
Annualized ZIP Zillow asking rent divided by Redfin’s median sold price produces a 7.3% cross-source screening ratio. It is not a property operating measure, a net outcome, or a prediction. The resale evidence provides a tension rather than a resolution: rapid price appreciation, limited months of supply, and above-list selling signals present a firmer for-sale snapshot, while the rental screen shows an asking-rent index below the named city, county, and metro contexts and above the ZCTA’s survey median gross rent. The history adds confidence that recent rent growth is consistent with the measured path, but the income and burden evidence challenges any simple translation from resale activity into household affordability or individual-property economics.
Several limits remain material. Zillow’s index is a blended typical asking-rent measure, ACS is a multi-year survey of occupied renter homes with selected utilities, HUD is an administrative standard, and Redfin is a rolling resale observation; none replaces property-level evidence. A concrete review should confirm the actual advertised rent, bedroom count, utility responsibility, fees, deposits, lease term, availability date, and physical condition for the specific home. For a sale listing, verify its list-price history, current status, property attributes, and whether the reported ZIP resale signals resemble that listing’s circumstances. The key unresolved question is whether a specific unit’s documented terms align with the ZIP-level signals without assuming that any aggregate measure guarantees its price or availability.
","findings":[{"body":"The supplied Zillow history shows that the latest year-over-year gain is broadly in line with the three-year and five-year same-month growth measures. Full history coverage, low monthly-return variability, and a limited maximum drawdown support a stable-growth interpretation. Those are backward-looking measurements, however, and they do not forecast future asking rents or establish property-level pricing.","title":"Rent growth is historically consistent"},{"body":"Zillow’s ZIP asking-rent index is materially above the ACS median gross rent for occupied renter homes in the matched ZCTA. That difference is expected to require context because Zillow captures typical observed asking rents across rental types, whereas ACS is a five-year survey and gross rent includes selected utilities. The two measures should not be treated as interchangeable rental comps.","title":"Asking rent exceeds the occupied-home survey median"},{"body":"The bedroom figures use the local HUD FMR/SAFMR structure to scale the ZIP Zillow index into modelled studio-through-larger-layout estimates. They are useful for expressing a consistent ZIP-level size gradient, but they are not measured rents for currently available units. HUD itself is an administrative bedroom-specific standard, not evidence of advertised market rent.","title":"Bedroom values are a modelled ladder"},{"body":"The direct ZIP resale observation shows rising sold prices, limited months of supply, above-list sales, and quick off-market activity. Those signals describe for-sale liquidity only. They contrast with the local income screen and renter-burden evidence, which show why resale momentum cannot be used to infer that current asking rents are affordable to a particular household or sustainable for a particular unit.","title":"Resale firmness does not settle rental affordability"}],"risks":["Zillow’s ZIP index blends rental types and represents a typical observed asking-rent level, so it may differ materially from the advertised rent, condition, size, concessions, and utility treatment of any individual home.","The matched ACS ZCTA is a statistical survey geography rather than a USPS delivery ZIP, and its multi-year occupied-renter results may not match current listings, recent movers, or a specific building.","HUD FMR/SAFMR values are administrative bedroom standards. Their use in the ladder creates modelled estimates, not measured bedroom rents, and should not be read as evidence of a unit’s actual asking price.","Redfin’s rolling resale data concerns homes sold and listed for sale, not leases. Strong sale-to-list signals or price changes do not demonstrate rental demand, unit-level economics, or tenant affordability."],"qa":[{"a":"They measure different universes. Zillow is a ZIP-level typical observed asking-rent index blended across rental types. ACS median gross rent is a five-year survey measure for occupied renter homes and includes selected utilities. HUD FMR/SAFMR is a bedroom-specific administrative standard. Differences therefore should be interpreted as scope and methodology differences, not source errors.","q":"Why do Zillow, ACS, and HUD show different rent figures?"},{"a":"No. The bedroom values are modelled monthly ZIP estimates, constructed by scaling the ZIP Zillow asking-rent index with the local HUD bedroom ladder. They describe a consistent estimated size relationship, but they do not measure advertised rents for individual studio, one-bedroom, or larger units. Property-level listings remain necessary to verify an actual rent.","q":"Are the bedroom rent estimates observed market rents?"},{"a":"The history indicates that recent asking-rent growth generally follows the supplied longer-run path, while low measured monthly variability and a small historical drawdown suggest a relatively stable series. That can increase confidence in the index as a ZIP-level directional snapshot. It cannot make the reading a forecast or guarantee that a particular unit follows the same pattern.","q":"How should the rent-history measures affect confidence in the current index?"},{"a":"It is simply annualized ZIP Zillow asking rent divided by Redfin’s ZIP median sold price, combining two separate source universes for initial screening. It does not account for expenses, financing, property condition, vacancies, taxes, insurance, concessions, or lease terms. It therefore cannot establish a property’s operating result or an expected outcome.","q":"What does the rent-to-sale-price screening ratio mean?"}],"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 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