ZIP Code 57061
standardSinai · 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
standard
ZIP Type
Demographics
24.9
Median Age
53.5%
Male
46.5%
Female
4.2%
Foreign-Born
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
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
$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 →
More ZIP Codes in Brookings County
Related Areas
Frequently Asked Questions
What county is ZIP code 57061 in? ▼
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What is the demographic makeup of ZIP 57061? ▼
How many businesses are in ZIP code 57061? ▼
What is the education level in ZIP code 57061? ▼
What percentage of residents own vs. rent in ZIP 57061? ▼
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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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Read our methodology — how this data is sourced, computed, and verified.