At the stated June 2026 endpoint, ZIP 33837 has a Zillow Observed Rent Index (ZORI) of $2,096 per month. This is a typical observed asking-rent index blended across rental types, so it is an index reading rather than an advertised price, executed lease, or the rent of a defined bedroom count. Against the matched Census measure’s median household income of $81,276, the index equals 30.9% of annual income when annualized. The arithmetic income needed at a 30% rent share is $83,840 annually, slightly above that income statistic. This required-income screen is neither affordability advice nor an applicant qualification rule; it simply makes the current asking-rent-to-income relationship explicit.
Backward-looking history puts that current reading in a more uneven frame. Through June 2026, exact same-month ZORI growth was 2.27% over one year, 0.25% annualized over three years, and 4.88% annualized over five years. Thus, the latest direction is stronger than the muted medium path and fits the accelerating history category, but it does not match the five-year pace. Annualized monthly-return variability was 3.19%, maximum drawdown was a 2.96% decline, and coverage was 99.3% across 137 observations. The transparent national discovery ranks among history-eligible ZIPs were 1,768 for momentum, 1,910 for stability, and 2,111 for balanced history; lower ranks are higher. These measurements are not forecasts or investment recommendations. The variability and drawdown mean one current index snapshot deserves measured confidence, even with near-complete coverage.
Part of the tension comes from non-interchangeable sources. In the matched Census ZCTA, the ACS 2024 five-year survey places median gross rent at $1,699; it covers occupied renter homes and includes selected utilities. A ZCTA is a statistical area, not identical to a USPS delivery ZIP, so that survey geography is a match rather than the delivery geography itself. The ZORI is 23.4% above the ACS median, an expected comparison gap between a current blended asking-rent index and a survey median. HUD’s FY2026 FMR/SAFMR ladder is instead an administrative bedroom-specific standard, not asking rent. Scaling ZIP ZORI by the local HUD ladder, whose two-bedroom standard is $1,497, produces modelled—not measured—monthly estimates of $1,717 for a studio, $1,722 for one bedroom, $2,096 for two, $2,832 for three, and $3,516 for four.
ACS also reports 2,991 renter-occupied households in the matched ZCTA, and 1,084 households paying 30% or more of income toward rent. That implies a 36.2% burden share in the survey estimate. Both counts carry ACS margins of error and describe survey respondents’ occupied renter homes over the ACS five-year collection period, not the terms or finances of a currently available rental. The data cannot establish that a particular unit is burdensome, nor can they be used to infer any household’s eligibility. Read alongside the current ZORI screen, they identify a cross-source affordability tension rather than a universal monthly payment or rule.
The stock evidence is also not a direct listing inventory. Of all housing units in the matched ZCTA, 20.1% were vacant, but 3,079 of those vacant units were seasonal while only 240 were vacant for rent. The area had 14,858 single-family units and just 161 units in large multifamily structures, underscoring a single-family-heavy stock mix rather than a count of current rental choices. Because vacancy is reported across housing types and reasons for vacancy, it does not prove availability, landlord pricing, concessions, or condition for a particular unit. It is best treated as stock composition and survey vacancy context, not evidence that an individual rental can be obtained.
Broader geographies point in the same general price ordering while remaining context only: the Davenport city-context rent is $2,042.60, the Polk County context rent is $1,848, and the Lakeland-Winter Haven, FL metro context rent is also $1,848. Each is explicitly a city, county, or metro value rather than a ZIP estimate, and none should be substituted for 33837’s Zillow index, ZCTA survey results, or HUD standard. The metro’s apartment-vacancy measure is likewise a different universe from the ZCTA all-housing vacancy measure, so it cannot validate or contradict the ZIP’s particular rental availability. The useful comparison is directional: the ZIP index stands higher than each wider-area context-rent figure.
Important limits remain. ZORI does not separate a home’s bedroom count, condition, lease term, utility treatment, availability date, or incentives; ACS median gross rent is historical survey evidence with selected utilities, and the HUD ladder is an administrative standard. For any property-specific decision, check the advertised rent on the relevant date, exact bedroom and structure type, included and excluded utilities, required fees and deposits, lease length, concessions, occupancy timing, and whether the unit is actually offered rather than seasonal or otherwise unavailable. Reconcile those facts to the relevant source universe rather than forcing the index, survey, and HUD figures to agree. Does the specific listing’s all-in terms support the comparison being made?
","findings":[{"body":"At the June 2026 endpoint, the $2,096 ZORI is a blended typical asking-rent index rather than a lease quote. It annualizes to $25,152, directly comparable only as an arithmetic screen against the $81,276 matched-ZCTA median household income. That produces a 30.9% ratio and a $83,840 income amount at the 30% screen.","title":"Current index and household-income screen"},{"body":"History is not uniformly strong: the one-year 2.27% gain exceeds the three-year annualized 0.25% rate, yet trails the five-year 4.88% pace. Annualized monthly-return variability of 3.19% and a 2.96% maximum drawdown make the June value a backward-looking indicator, not a forecast. Near-complete 99.3% coverage supports observation continuity, not certainty about an individual listing.","title":"Recent improvement trails the longer history"},{"body":"ACS median gross rent of $1,699 and ZORI of $2,096 describe different populations and timing; the latter is 23.4% higher. ACS is a five-year survey of occupied renter homes with selected utilities in a matched statistical ZCTA. HUD’s $1,497 two-bedroom FMR/SAFMR standard is administrative. The bedroom figures derived from it are modelled estimates, not measured bedroom rents.","title":"Bedroom ladder is a model, not a rent survey"},{"body":"Survey stock data show a 20.1% all-housing vacancy rate, but 3,079 vacant units are seasonal and only 240 are vacant for rent. This classification prevents a vacancy statistic from serving as a unit-availability count. The renter burden estimate is 36.2%, based on 1,084 of 2,991 renter households, and does not identify any particular household or property.","title":"Vacancy composition limits availability conclusions"}],"risks":["Cross-source comparison risk: ZORI’s current blended asking-rent index, ACS’s historical median gross rent with selected utilities, and HUD’s administrative standard each use different populations, timing, and constructions. Treating any pair as interchangeable can distort the apparent price gap.","Historical-change risk: the series reports an index, not every lease or listing, and its annualized variability plus past drawdown show that a single end-date value can mask prior movement. National discovery ranks are comparative metadata, not quality grades.","Geographic and survey risk: ACS data apply to a matched Census ZCTA, a statistical area that does not exactly equal a USPS delivery ZIP. Five-year estimates and margins of error may differ from the current ZIP index’s timing and population.","Availability risk: all-housing vacancy includes seasonal, for-sale, and other nonoccupied units. The seasonal concentration and modelled bedroom ladder cannot demonstrate that a given property is rentable, correctly priced, or comparable."],"qa":[{"a":"The $1,717 studio through $3,516 four-bedroom series was generated by scaling the ZIP-level ZORI with the local FY2026 HUD FMR/SAFMR bedroom ladder. ZORI itself is blended across rental types, while HUD is an administrative standard. The output therefore preserves a local relative ladder but is modelled, not a count or measurement of listed or leased bedroom-specific rents.","q":"Why are the bedroom amounts not observed bedroom rents?"},{"a":"The calculation takes the $2,096 monthly ZORI and applies a 30% share of gross household income, producing $83,840 annually. That result is slightly above the matched ZCTA’s $81,276 median household income, but it is only arithmetic. It is not rent-payment advice, a claim about utility bills, or an applicant underwriting and qualification standard.","q":"What does the 30% income calculation mean?"},{"a":"No. The 20.1% rate covers all housing units in the matched ZCTA and the reasons for nonoccupancy differ. Of 4,080 vacant units, 3,079 were seasonal and 240 were classified as vacant for rent. The statistic therefore cannot establish a property’s current availability, listing condition, concession, or landlord terms.","q":"Does the 20.1% vacancy rate show active rental supply?"},{"a":"The recent 2.27% same-month increase indicates that the latest year is firmer than the 0.25% annualized three-year path, while remaining below the 4.88% five-year pace. The 3.19% annualized variability and 2.96% drawdown describe past index movement. They provide historical context for the June reading but do not predict future rents or returns.","q":"How should the historical path be read?"}],"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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