The defining tension in 57701 is that the June 2026 Zillow ZORI is $1,404 per month, while the matched Census ZCTA’s ACS 2024 five-year median gross rent is $961. 57701 is both the Zillow ZIP market identifier and the Census ZCTA match; a ZCTA is a statistical area and is not identical to a USPS delivery ZIP. ZORI is a typical observed asking-rent index blended across rental types, whereas ACS is a survey of occupied renter homes and its gross-rent measure includes selected utilities. The asking index is 46.1% above the ACS median, a material source-universe gap rather than two interchangeable quotes for the same home.
History provides a second, mixed signal. At the supplied Zillow history endpoint, exact same-month annualized change was 4.5% over one year, 3.4% over three years, and 6.6% over five years. Thus the recent advance continues the longer upward path and runs faster than the three-year pace, but it remains below the five-year pace; it confirms rather than breaks the path while not matching its longer-run rate. The series has 69 observations with 100% coverage, annualized monthly-return variability of 3.4%, and a -3.5% maximum drawdown. Its transparent national discovery ranks among history-eligible ZIPs are 626 for momentum, 2,116 for stability, and 1,120 for balanced performance, where lower rank is higher. These are backward-looking measurements, not forecasts or investment recommendations; variability means one current snapshot deserves sequence context.
Bedroom detail must not be mistaken for unit-level measurement. The local HUD ladder scales the ZIP index into modelled monthly estimates of $968 for a studio, $1,070 for one bedroom, the index level for two bedrooms, $1,922 for three bedrooms, and $2,356 for four bedrooms. These are modelled estimates, not measured bedroom rents. HUD’s FY2026 FMR/SAFMR ladder is an administrative, bedroom-specific standard, not asking rent, and ranges from $878 for a studio to $2,136 for four bedrooms; its two-bedroom standard is $1,273. The current ZIP asking-rent index sits 10.3% above that standard. The ladder helps organize bedroom comparisons, but neither it nor ZORI establishes the price, utility treatment, or availability of a particular home.
Affordability reads differently when arithmetic and lived survey outcomes remain separate. Applying a 30% rent-to-income screen to the $1,404 monthly asking index produces required annual income of $56,160. That is close to the ZCTA’s $56,461 median household income, and the index-to-income arithmetic is 29.8%. This is a screen only: it is not advice or an applicant qualification rule, and the ZIPwide household median is not a renter-income or property-specific result. Separately, ACS estimates that 3,794 of 7,376 renter households, or 51.4%, paid at least the screen threshold of income toward gross rent. That burden evidence uses occupied homes and gross rent with selected utilities; it cannot show that any particular advertised unit is affordable or burdensome.
Housing-stock evidence sets boundaries around, rather than answers, a search. The ZCTA has 20,748 housing units, including 1,945 vacant units, for a 9.4% vacancy rate. Renter-occupied homes represent 39.2% of occupied units, and 648 vacant units are classified as for rent. Those counts identify area-level stock categories, not a current inventory of comparable listings. In particular, vacancy does not establish a unit’s condition, location, rent, concession, lease terms, or readiness, and it should not be treated as proof of negotiating leverage. The ACS counts are survey estimates for the matched statistical area, so they offer context for the index but cannot verify supply at a building.
Geographic context shows the ZIP below all three broader context rents, but those comparisons must remain contextual. Rapid City city-context rent is about $1,443, Pennington County county-context rent is $1,460, and Rapid City, SD metro-context rent is $1,455; each exceeds the ZIP index. The city context also has a lower renter share and lower vacancy rate than the ZIP, while the county context has a lower renter share but a higher vacancy rate. The metro’s stated rent-to-income context is lower than the ZIP’s arithmetic screen. These city-, county-, and metro-scope values describe wider areas only; they are not substitutes for the Zillow ZIP index, ACS ZCTA survey, HUD standard, or property quote.
Decision use depends on an address-level check before drawing conclusions from these aggregates. Confirm the advertised monthly price, bedroom count, lease term, utility responsibilities, move-in timing, concessions, and whether the address lies in the delivery ZIP used by the listing. Then compare that quote with the appropriate modelled bedroom estimate while remembering that the estimate is not measured rent. Check how a landlord defines included utilities because ACS gross rent includes selected utilities and because the HUD benchmark is administrative. Finally, inspect the actual listing’s availability and written terms rather than inferring them from ZCTA vacancy, burden, or history. The sources differ in period, geography, construction, and purpose; none describes every home. Does the specific property’s full monthly obligation still align with the household’s own income and needs?
","findings":[{"body":"Zillow’s June 2026 ZIP ZORI is $1,404, while the matched ACS 2024 five-year ZCTA median gross rent is $961. The $443 difference is 46.1% of the ACS benchmark. They measure different universes: ZORI is a blended typical observed asking-rent index, whereas ACS samples occupied renter homes and includes selected utilities in gross rent.","title":"Asking index and occupied-home survey diverge"},{"body":"Over exact same-month comparisons, ZORI rose 4.5% over one year, 3.4% annualized over three years, and 6.6% annualized over five years. The complete 69-observation history has 3.4% annualized monthly-return variability and a -3.5% maximum drawdown. Those historical values describe an uneven prior path, not a forecast, valuation, or investment recommendation.","title":"History shows continued growth with uneven movement"},{"body":"The bedroom figures are modelled monthly ZIP estimates produced by scaling the ZIP ZORI with the local HUD ladder. They run from $968 for a studio to $2,356 for four bedrooms, with the two-bedroom estimate equal to ZORI. HUD’s two-bedroom FMR/SAFMR standard is $1,273, an administrative standard rather than a measured or advertised market rent.","title":"Bedroom ladder is modelled, not observed"},{"body":"ACS estimates 51.4% of renter households paid at least 30% of income toward gross rent, while current asking-rent arithmetic requires $56,160 annual income at that threshold. The ZCTA has a 9.4% vacancy rate and a separate vacant-for-rent category. Neither area-level burden nor vacancy establishes affordability, availability, condition, or pricing for a particular home.","title":"Burden and vacancy remain area-level indicators"}],"risks":["The large gap between ZORI asking rent and ACS gross rent is primarily a source-universe risk: dates, occupied versus advertised homes, rental types, and utility treatment differ.","Modelled bedroom estimates inherit the HUD ladder’s structure and the ZIP ZORI anchor. They are not observed rents, so a specific unit may differ materially in price, utility responsibility, and availability.","Complete historical coverage limits missing-observation concerns, but monthly-return variability and drawdown show that the path was not smooth. Past same-month changes cannot establish future rent direction, renewal pricing, or returns.","Vacancy and rent-burden figures are ZCTA-wide aggregates. They do not demonstrate vacancy, eligibility, affordability, concessions, condition, or negotiation outcomes for any named building or household."],"qa":[{"a":"Zillow’s $1,404 ZORI is a ZIP-level typical observed asking-rent index blended across rental types. ACS reports a $961 median gross rent from a matched-ZCTA five-year survey of occupied renter homes, and it includes selected utilities. Different populations, time aggregation, and rent definitions make the comparison informative context, not a discrepancy that can be resolved for one property.","q":"Why do Zillow ZORI and ACS median gross rent differ so much?"},{"a":"No. 57701 functions in this packet as Zillow’s ZIP market identifier and as the matched Census ZCTA label. A ZCTA is a statistical area, not a USPS delivery ZIP. Consequently, the ACS geography should be treated as a matched survey area, while a listing’s address should be checked in the delivery ZIP shown for that property.","q":"Is 57701 exactly the same geography as a USPS ZIP?"},{"a":"No. The studio through four-bedroom figures are modelled monthly estimates, not measurements from an observed bedroom-rent sample. They scale the ZIP ZORI with the local HUD ladder. HUD FMR/SAFMR is a bedroom-specific administrative standard, not asking rent. Use the estimates only as a consistent comparison frame after verifying the listing’s bedroom count and utility terms.","q":"Are the bedroom estimates measured rents for studio through four-bedroom units?"},{"a":"Verify listed monthly price, bedroom count, lease length, utilities paid by tenant or owner, availability date, concessions, address geography, and written terms. Compare those details with the appropriate modelled estimate only as context. Do not infer these facts from area vacancy, ACS burden, HUD standards, or the historical ZORI series, because none describes the unit itself.","q":"What should be verified on a specific rental property?"}],"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":"2020-10-01","rent":958.829398},{"period":"2020-11-01","rent":970.275651},{"period":"2020-12-01","rent":977.430973},{"period":"2021-01-01","rent":1002.547894},{"period":"2021-02-01","rent":1002.112866},{"period":"2021-03-01","rent":1009.136466},{"period":"2021-04-01","rent":1013.633462},{"period":"2021-05-01","rent":1018.784759},{"period":"2021-06-01","rent":1017.640591},{"period":"2021-07-01","rent":1042.569766},{"period":"2021-08-01","rent":1049.605607},{"period":"2021-09-01","rent":1068.829089},{"period":"2021-10-01","rent":1081.050675},{"period":"2021-11-01","rent":1117.864947},{"period":"2021-12-01","rent":1139.815916},{"period":"2022-01-01","rent":1156.507139},{"period":"2022-02-01","rent":1166.231131},{"period":"2022-03-01","rent":1193.062513},{"period":"2022-04-01","rent":1212.665692},{"period":"2022-05-01","rent":1233.116739},{"period":"2022-06-01","rent":1260.148232},{"period":"2022-07-01","rent":1255.765223},{"period":"2022-08-01","rent":1274.802131},{"period":"2022-09-01","rent":1275.756947},{"period":"2022-10-01","rent":1294.784088},{"period":"2022-11-01","rent":1254.237038},{"period":"2022-12-01","rent":1256.962578},{"period":"2023-01-01","rent":1249.970294},{"period":"2023-02-01","rent":1272.871196},{"period":"2023-03-01","rent":1260.433454},{"period":"2023-04-01","rent":1260.77829},{"period":"2023-05-01","rent":1270.610986},{"period":"2023-06-01","rent":1268.6915},{"period":"2023-07-01","rent":1264.147122},{"period":"2023-08-01","rent":1262.716168},{"period":"2023-09-01","rent":1267.058886},{"period":"2023-10-01","rent":1273.020036},{"period":"2023-11-01","rent":1292.602303},{"period":"2023-12-01","rent":1299.600155},{"period":"2024-01-01","rent":1300.729709},{"period":"2024-02-01","rent":1293.218338},{"period":"2024-03-01","rent":1294.325695},{"period":"2024-04-01","rent":1305.711171},{"period":"2024-05-01","rent":1308.815668},{"period":"2024-06-01","rent":1322.044233},{"period":"2024-07-01","rent":1334.796906},{"period":"2024-08-01","rent":1334.137671},{"period":"2024-09-01","rent":1336.147162},{"period":"2024-10-01","rent":1332.389321},{"period":"2024-11-01","rent":1345.240832},{"period":"2024-12-01","rent":1344.733196},{"period":"2025-01-01","rent":1349.57568},{"period":"2025-02-01","rent":1349.513579},{"period":"2025-03-01","rent":1358.327253},{"period":"2025-04-01","rent":1356.118512},{"period":"2025-05-01","rent":1348.497283},{"period":"2025-06-01","rent":1342.960534},{"period":"2025-07-01","rent":1343.774609},{"period":"2025-08-01","rent":1349.294451},{"period":"2025-09-01","rent":1353.34574},{"period":"2025-10-01","rent":1357.697331},{"period":"2025-11-01","rent":1353.935044},{"period":"2025-12-01","rent":1358.635221},{"period":"2026-01-01","rent":1364.538896},{"period":"2026-02-01","rent":1372.520252},{"period":"2026-03-01","rent":1376.728322},{"period":"2026-04-01","rent":1382.413397},{"period":"2026-05-01","rent":1395.014892},{"period":"2026-06-01","rent":1404.021133}],"historySummary":{"pointCount":69,"firstPeriod":"2020-10-01","latestPeriod":"2026-06-01","coverageMonths":69,"coverageRatio":1,"changes":{"1":{"years":1,"startPeriod":"2025-06-01","endPeriod":"2026-06-01","startRent":1342.960534,"endRent":1404.021133,"change":0.045467158158498666,"cagr":0.045467158158498666},"3":{"years":3,"startPeriod":"2023-06-01","endPeriod":"2026-06-01","startRent":1268.6915,"endRent":1404.021133,"change":0.10666866846668399,"cagr":0.0343619546703422},"5":{"years":5,"startPeriod":"2021-06-01","endPeriod":"2026-06-01","startRent":1017.640591,"endRent":1404.021133,"change":0.37968271452332436,"cagr":0.06648768435856045}},"maxDrawdown":-0.034611016937366124,"annualizedVolatility":0.03371577528382427,"consecutiveReturnCount":68}}