Sinai, SD · standard
ZIP Code 57061
Brookings County, South Dakota - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 102
- 182/sq mi High-density area
- $56,875
- Median income Below-median income area
- $89,300
- Median home value Below-median home value
- 22.6%
- Bachelor's or higher Near-average bachelor's attainment
National ZIP placement
Sinai pairs one of the lowest household incomes in the country with among the most affordable home values nationally, in a rural, homeowner-dominated area.
- 24th pct
- household income, US ZIPs
- 7th pct
- home value, US ZIPs
- 182
- people per sq mi
- 67%
- owner-occupied homes
Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 57061 against every reporting US ZIP.
ZIP code 57061 is a sparsely populated ZIP (a standard USPS delivery area) in Sinai, Brookings County, South Dakota, home to just 102 residents across 0.6 square miles, a density of 182 people per square mile, in the Chicago time zone.
ZIP 57061 reports a modest median household income of $56,875 (26% below the average South Dakota ZIP), while per-capita income is $26,507. The poverty rate is 1.9%, with unemployment at 6.7%; those measures add context to the income figure. Home values sit below the statewide ZIP benchmark: the median is $89,300 (53% below the average South Dakota ZIP); owner occupancy is 66.7%.
Educational attainment sits below the national norm: 22.6% of adults hold a bachelor's degree or higher, the median age is 24.9, and the average commute is -. The page also surfaces 4 ZIP codes within roughly 10 miles and 6 more in Brookings County, so 57061 can be compared with both its immediate and county-level context.
Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →
Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + FHFA HPI ACS demographics and median rent, ZBP business establishments, 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; FHFA HPI updated quarterly/annually.
Quick Facts
102
Population
0.6
Area (sq mi)
182
People / sq mi
Chicago
Time Zone
standard
ZIP Type
Who lives in ZIP 57061?
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)
How much do residents earn?
$56,875
Median Household Income
-26% vs state ZIP avg
$26,507
Per Capita Income
1.9%
Poverty Rate
6.7%
Unemployment Rate
How ZIP 57061 ranks among South Dakota ZIPs
Sinai, SD household income vs. every South Dakota ZIP code
Median household income among 337 reporting South Dakota ZIPs (this ZIP's population is too small for a reliable national-corpus placement)
$56,875 16th percentile higher than 16% of 337 South Dakota ZIPs
Each bar is a $20K-wide band; taller bars hold more South Dakota ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.
Source U.S. Census Bureau, ACS 5-Year Estimates · 2019–2023
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What is the education profile here?
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What does housing look like?
Housing stock: occupied vs vacant
81housing units
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 ZIP avg
1938
Median Year Built
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What businesses operate in this ZIP?
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 57061 vs its nearest neighbors, by population
Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 57071
Volga (57071)
2,758 residents
- 57212
Arlington (57212)
2,062 residents
- 57050 191
Nunda (57050)
191 residents
- 57057 152
Rutland (57057)
152 residents
- 57061 102
Sinai (57061)
102 residents
What this shows Among its immediate neighbors, ZIP 57061 ranks #5 by population - useful context the national average alone can't give.
ZIP 57061 vs its nearest neighbors, by median income
Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 57050
Nunda (57050)
$116,563 median income
- 57212
Arlington (57212)
$93,750 median income
- 57071
Volga (57071)
$77,138 median income
- 57057
Rutland (57057)
$71,500 median income
- 57061
Sinai (57061)
$56,875 median income
What this shows By household income, ZIP 57061 ranks #5 of 5 neighboring ZIPs, local affluence varies block to block, not just metro to metro.
Nationwide ZIPs with similar ACS profiles
Two Census-derived peer sets for ZIP 57061, both outside SD so the neighborhoods are not geographic containment (Nearby and same-county blocks stay local).
Similar median household income
Nearest cross-state ZIPs by ACS median household income.
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.
Related
Take this with you
What to do with ZIP 57061's numbers, next.
- See how ZIP 57061 compares to a neighboring ZIP code on the same Census fields Compare this ZIP
- Check where Sinai, SD ranks among every U.S. ZIP code on income, education, or homeownership View national rankings
- Save this ZIP to your shortlist to track alongside others you're considering View your shortlist
ZIP Code Tabulation Areas (ZCTAs) are Census Bureau approximations of USPS ZIP codes; figures describe the ZCTA area, not any single address within it.