Housing data for Sinai, SD
Sinai, SD has an estimated 215 residents and 81 homes (US Census Bureau, 2020–2024 American Community Survey).
It is a town in Brookings County.
33.3% of households rent.
Figures last updated on .
- Residents
- 215 (±135)
- Housing units
- 81 (±38)
- Households that rent
- 33.3%
- Residents since 2015–2019
- +144.3%
What stands out in Sinai
Average commute: 29.3 minutes (±8.6) in Sinai, higher than in Brookings County (14.3 minutes).
Homes built before 1980: 96.2% (±35.3 points) in Sinai, higher than in Brookings County (48.2%).
Median home value: $89,300 (±$18,740) in Sinai, lower than in Brookings County ($264,600).
Median real estate taxes: $1,222 (±$119) in Sinai, lower than in Brookings County ($2,981).
Housing in Sinai at a glance
- Rent burden: 32.0% of renters pay 30% or more of income (Small sample: wide margin of error)
- Renters and owners: 33.3% of households rent (Small sample: wide margin of error)
- Income and affordability: $56,875 median household income (Small sample: wide margin of error)
- Home values: $89,300 median home value (Small sample: wide margin of error)
- Homeowner costs: $988 median monthly cost with a mortgage (Small sample: wide margin of error)
- Property taxes: $1,222 median real estate taxes a year (Small sample: wide margin of error)
- Types of homes: 0.0% of homes are in buildings of 5 or more units (Small sample: wide margin of error)
- Bedrooms: 61.7% of homes have 3 or more bedrooms (Small sample: wide margin of error)
- Age of homes: 96.2% of homes were built before 1980 (Small sample: wide margin of error)
- Vacancy rate: 19.4% rental vacancy rate (Small sample: wide margin of error)
- Heating fuel: 66.7% heat with propane (Small sample: wide margin of error)
- Commute and cars: 29.3 minutes average trip to work (Small sample: wide margin of error)
- Growth: +144.3% residents since 2015–2019 (Small sample: wide margin of error)
- How long people stay: 29.4% moved in since 2020 (Small sample: wide margin of error)
- Crowding and facilities: 0.0% of homes have more than 1 person per room (Small sample: wide margin of error)
Sinai against Brookings County, its state and the nation
| Sinai | Brookings County | South Dakota | United States | |
|---|---|---|---|---|
| Residents | 215 (±135) | 35,353 (exact) | 907,428 (exact) | 334,922,499 |
| Housing units | 81 (±38) | 15,179 (±63) | 408,584 (±422) | 143,775,355 |
| Households that rent | 33.3% (±26.0 points) | 42.8% (±2.8 points) | 31.4% (±0.5 points) | 34.8% |
| Median gross rent | — | $901 (±$83) | $946 (±$11) | $1,413 |
| Median household income | $56,875 (±$27,366) | $70,064 (±$6,292) | $75,081 (±$888) | $80,734 |
| Median home value | $89,300 (±$18,740) | $264,600 (±$11,840) | $257,400 (±$3,051) | $332,700 |
| Median real estate taxes (a year) | $1,222 (±$119) | $2,981 (±$154) | $2,724 (±$28) | $3,119 |
| Built before 1980 | 96.2% (±35.3 points) | 48.2% (±4.0 points) | 49.8% (±0.7 points) | 49.7% |
| Average commute | 29.3 minutes (±8.6) | 14.3 minutes (±0.8) | 17.8 minutes (±0.2) | 26.4 minutes |
| Households with broadband | 88.0% (±16.4 points) | 91.2% (±1.8 points) | 89.6% (±0.3 points) | 91.0% |
| Median age of residents | 24.9 years (±22.6) | 28.0 years (±0.4) | 38.0 years (±0.2) | 38.9 years |
Sinai covers 0.4 square miles of land, about 584 residents per square mile (Census Bureau Gazetteer).
How Sinai has changed since 2015–2019
| 2015–2019 | 2020–2024 | Amount of change | Verdict | |
|---|---|---|---|---|
| Residents | 88 (±35) | 215 (±135) | +144.3% | Not a measurable change |
| Housing units | 63 (±23) | 81 (±38) | +28.6% | Not a measurable change |
| Median home value | $60,000 (±$9,864) | $89,300 (±$18,740) | +48.8% | No measurable change after inflation |
| Median household income | $37,188 (±$13,057) | $56,875 (±$27,366) | +52.9% | No measurable change after inflation |
| Median owner cost with a mortgage | $636 (±$73) | $988 (±$219) | +55.3% | No measurable change after inflation |
| Median real estate taxes | $1,227 (±$156) | $1,222 (±$119) | −0.4% | Down after inflation |
| Households that rent | 14.9% (±18.2 points) | 33.3% (±26.0 points) | +18.4 percentage points | Not a measurable change |
| Rental vacancy rate | 0.0% (±93.3 points) | 19.4% (±28.0 points) | +19.4 percentage points | Not a measurable change |
The Census Bureau publishes 2015–2019 dollars in 2019 dollars and 2020–2024 dollars in 2024 dollars.
Prices (the CPI-U, US Bureau of Labor Statistics) rose 22.7% between 2019 and 2024, so a dollar figure’s verdict compares the two after raising the earlier one by that much, using the Census Bureau’s test for a difference.
The two periods do not overlap, as the Census Bureau recommends for 5-year estimates.
Crime reported to police in Brookings County
Sinai has no police department of its own in the FBI’s figures, so this is the figure for Brookings County as a whole.
In 2025, the police departments that report for Brookings County recorded 89 violent and 661 property crimes per 100,000 residents.
A county-wide figure describes the whole county, not this place; crime varies from one community to the next.
ZIP codes in Sinai
| ZIP code | Share of the ZIP’s land in this place | Residents | Median gross rent | Median home value | Median household income |
|---|---|---|---|---|---|
| 57061 | 100% | 215 | — | $89,300 | $56,875 |
A ZIP code is a mail route rather than a boundary, so the Census Bureau publishes figures for ZIP Code Tabulation Areas built from census blocks; the share column says how much of each one’s land lies in this place.
Places near Sinai
| Place | Distance | Median gross rent | Median home value | Households that rent |
|---|---|---|---|---|
| Lake Sinai Township | 0.9 mi | — | $230,800 | 0.0% |
| Oslo Township | 3.5 mi | — | — | 33.3% |
| Bangor Township | 5.2 mi | — | $226,200 | 24.5% |
| Nunda | 6.0 mi | — | $118,800 | 5.0% |
| Nunda Township | 7.1 mi | — | $230,000 | 8.1% |
| Volga Township | 7.4 mi | — | — | 0.0% |
| Summit Township (Lake County) | 7.8 mi | — | $254,200 | 2.7% |
| Volga | 8.1 mi | $1,130 | $240,000 | 46.6% |
HUD Fair Market Rent for Sinai, fiscal year 2027
| Studio | 1 bedroom | 2 bedrooms | 3 bedrooms | 4 bedrooms |
|---|---|---|---|---|
| $853 | $858 | $1,066 | $1,476 | $1,782 |
HUD income limits for Sinai, fiscal year 2026
| Household size | Extremely low (30%) | Very low (50%) | Low (80%) |
|---|---|---|---|
| 1 person | $23,600 | $39,300 | $62,850 |
| 2 people | $26,950 | $44,900 | $71,800 |
| 3 people | $30,300 | $50,500 | $80,800 |
| 4 people | $33,650 | $56,100 | $89,750 |
| 5 people | $38,680 | $60,600 | $96,950 |
| 6 people | $44,360 | $65,100 | $104,150 |
| 7 people | $50,040 | $69,600 | $111,300 |
| 8 people | $55,720 | $74,100 | $118,500 |
These are the limits HUD sets for its housing programs in the Brookings County, SD, where HUD’s median family income for fiscal year 2026 is $112,200.
A program can use its own limits; tax-credit and local programs often do.
Survey years: 2020–2024 (American Community Survey 5-year estimates), compared with 2015–2019.
Margins of error are at the 90% confidence level.
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Questions about Sinai
Is Sinai growing?
In Sinai, the number of residents went from 88 in 2015–2019 to 215 in 2020–2024 (+144.3%), not a measurable change.
What ZIP codes are in Sinai?
The ZIP code that covers Sinai is 57061.
Sources
- Demographic and Housing Estimates (DP05), 2020–2024 ACS 5-year estimates — Sinai town, South Dakota
- Selected Housing Characteristics (DP04), 2020–2024 ACS 5-year estimates — Sinai town, South Dakota
- Selected Economic Characteristics (DP03), 2020–2024 ACS 5-year estimates — Sinai town, South Dakota
- Median Real Estate Taxes Paid by Mortgage Status (B25103), 2020–2024 ACS 5-year estimates — Sinai town, South Dakota
- Selected Social Characteristics (DP02), 2020–2024 ACS 5-year estimates — Sinai town, South Dakota
- Total Population (B01003), 2015–2019 ACS 5-year estimates — Sinai town, South Dakota
- Median Gross Rent (B25064), 2015–2019 ACS 5-year estimates — Sinai town, South Dakota
- HUD Fair Market Rents, fiscal year 2027: Brookings County, SD
- HUD Income Limits, fiscal year 2026: Brookings County, SD
- US Census Bureau, American Community Survey 2020–2024 5-year estimates for ZIP Code Tabulation Areas
- Consumer Price Index for All Urban Consumers (CPI-U), US city average, all items, US Bureau of Labor Statistics: annual averages 2019 and 2024
- US Census Bureau, 2024 Gazetteer Files
To check these figures in the Census Bureau’s own API, request the variables below from the 2024 ACS 5-year data profile (acs/acs5/profile) for Sinai town, South Dakota (place:58900, in state:46).
Each estimate (E or PE) has a margin of error beside it (M or PM).
The 2015–2019 figures are B01003_001E, B01003_001M, B25064_001E, B25064_001M from the 2019 release.
The API needs a free key.
DP05_0001E, DP05_0001M, DP04_0001E, DP04_0001M, DP04_0047PE, DP04_0047PM, DP04_0134E, DP04_0134M, DP03_0062E, DP03_0062M, DP04_0089E, DP04_0089M
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.
Figures are published by the US Census Bureau, HUD, the Bureau of Labor Statistics and the FBI; Seayora reproduces them and does not adjust them, except where a sentence says it compares dollar figures after inflation. They describe the whole place, not any one building or street, and are not an appraisal, a rent determination, a tax bill, a safety rating or legal advice.
Figures last updated on .