ZIP Code 57061

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Sinai · Brookings County · South Dakota

ZIP code 57061 in Sinai, South Dakota has a population of 102. The median household income is $56,875, which is 25% below the national average. Median home value is $89,300, 68% below the US average. 22.6% of residents hold a bachelor's degree or higher.

ZIP code 57061 is classified by USPS as a standard delivery area and covers roughly 0.6 square miles in Sinai, Brookings County, South Dakota. The area is home to 102 residents, producing a population density of 182 people per square mile, and falls within the Chicago time zone. These USPS and Census boundary values drive every downstream statistic on this page, including the benchmarks that compare 57061 against South Dakota and the nation.

On the economic side, the median household income for ZIP 57061 sits at $56,875 (26% below the South Dakota average), while per-capita income is $26,507. The poverty rate stands at 1.9% and the unemployment rate at 6.7%. On housing, the median home value is $89,300 (53% below the state average) with median rent at per month, and 66.7% of occupied units are owner-occupied — a direct signal of whether 57061 behaves more like a homeowner neighborhood or a renter-heavy ZIP.

Education and household profile round out the picture: 22.6% of adults hold a bachelor's degree or higher, the median age is 24.9, and the average commute is . We also surface 4 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing Brookings County, so you can benchmark 57061 against its immediate geography rather than a national average alone. Every figure is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates, HUD Fair Market Rents, and FHFA Home Price Index data — no estimates, no proprietary scoring. Verify with HUD →

Source: U.S. Census Bureau — American Community Survey 5-Year Estimates + ZIP Code Business Patterns + HUD FMR + FHFA HPI ACS demographics, ZBP business establishments, HUD Fair Market Rents, FHFA HPI for ZIP 57061, Sinai, SD · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; HUD FMR + FHFA HPI updated quarterly/annually.

Quick Facts

102

Population

0.6

Area (sq mi)

182

People / sq mi

Chicago

Time Zone

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ZIP Type

Neighborhood Scorecard
Get an A-F grade across income, safety, housing, rent, education, commute, and childcare for this ZIP code.
View Scorecard →

Demographics

24.9

Median Age

53.5%

Male

46.5%

Female

4.2%

Foreign-Born

White 89.3%
African American 0.0%
Asian 0.0%
American Indian or Alaska Native 0.0%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 8.4%
Hispanic or Latino 11.6%

Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

Income & Employment

$56,875

Median Household Income

-26% vs state

$26,507

Per Capita Income

1.9%

Poverty Rate

6.7%

Unemployment Rate

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

Education

High School Graduate or Higher 61.3%
Bachelor's Degree or Higher 22.6%

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

Housing

81

Total Housing Units

75

Occupied Units

6

Vacant Units

2.87

Avg Household Size

Occupancy Type

Owner 66.7%
Renter 33.3%

$89,300

Median Home Value

-53% vs state

1938

Median Year Built

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

Local Business Landscape

Census Bureau data shows 8 business establishments in ZIP 57061, employing approximately 32 people with a combined annual payroll of $977,000.

8

Businesses

32

Employees

$977K

Annual Payroll

0

Industry Sectors

Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.

Nearby ZIP Codes

Want a side-by-side? Compare 57061 vs 57050 →

ZIP Code City Population Distance
57050 Nunda, SD 191 6.1 mi
57071 Volga, SD 2,758 4.7 mi
57057 Rutland, SD 152 10.6 mi
57212 Arlington, SD 2,062 10.7 mi

More ZIP Codes in Brookings County

Related Areas

Frequently Asked Questions

What county is ZIP code 57061 in?
ZIP code 57061 (Sinai) is located in Brookings County, South Dakota. Brookings County contains multiple ZIP codes — see the full list at /counties/brookings-sd.
What is the population of ZIP code 57061?
ZIP code 57061 in Sinai, SD has a population of 102 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 57061?
The median household income in ZIP 57061 is $56,875, which is 25% below the national average of $76,288.
What is the average home value in ZIP 57061?
The median home value in ZIP 57061 is $89,300, which is 68% below the national average of $278,155.
What is the demographic makeup of ZIP 57061?
The largest racial group in ZIP 57061 is White at 89.3%. Hispanic or Latino residents make up 11.6% of the population.
How many businesses are in ZIP code 57061?
ZIP code 57061 has 8 business establishments employing approximately 32 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What is the education level in ZIP code 57061?
In ZIP code 57061, 61.3% of residents aged 25+ have a high school diploma or higher, and 22.6% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What percentage of residents own vs. rent in ZIP 57061?
In ZIP code 57061, approximately 66.7% of occupied housing units are owner-occupied and 33.3% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 57061?
The poverty rate in ZIP code 57061 is 1.9% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.

ZIP Code Research Guides

Research Sinai, SD on Other Data Sources

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Source: U.S. Census Bureau, ACS 5-Year Estimates (2023). Business data: Source: Census ZIP Code Business Patterns (ZBP) 2023. Home value trends: Source: FHFA House Price Index (HPI), Five-Digit ZIP Codes.

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