PlainZIP

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
$56,875
Median income
$89,300
Median home value
22.6%
Bachelor's or higher

The verdict

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 South Dakota average), while per-capita income is $26,507. 1.9% of residents live below the poverty line, and the unemployment rate reads 6.7%. Housing costs here run $89,300 for a typical home value (53% below the state average), with rent averaging - a month; 66.7% of homes are owner-occupied.

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 -. Beyond these figures, 4 nearby ZIP codes within about 10 miles are surfaced below, along with 6 more sharing Brookings County, letting you compare 57061 to its immediate surroundings rather than a national baseline alone.

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

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

Who lives in ZIP 57061?

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)

How much do residents earn?

$56,875

Median Household Income

-26% vs state

$26,507

Per Capita Income

1.9%

Poverty Rate

6.7%

Unemployment Rate

How ZIP 57061 ranks nationally

Sinai, SD household income vs. every US ZIP code

Median household income, the full national distribution, with this ZIP marked

$56,875 24th percentile higher than 24% of 30,318 US ZIPs

$0–$20,000: 118 US ZIPs (0%). Below this entry. $20,000–$40,000: 1,573 US ZIPs (5%). Below this entry. $40,000–$60,000: 7,092 US ZIPs (23%). This entry sits in this band. $60,000–$80,000: 9,980 US ZIPs (33%). Above this entry. $80,000–$100,000: 5,778 US ZIPs (19%). Above this entry. $100,000–$120,000: 2,855 US ZIPs (9%). Above this entry. $120,000–$140,000: 1,362 US ZIPs (4%). Above this entry. $140,000–$160,000: 686 US ZIPs (2%). Above this entry. $160,000–$180,000: 364 US ZIPs (1%). Above this entry. $180,000–$200,000: 186 US ZIPs (1%). Above this entry. $200,000–$220,000: 324 US ZIPs (1%). Above this entry. This ZIP $0 $200K+ every reporting US ZIP, bucketed by value

Each bar is a $20K-wide band; taller bars hold more US 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?

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

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

What does housing look like?

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)

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.

residents

What this shows Among its immediate neighbors, ZIP 57061 ranks #5 by population - useful context the national average alone can't give.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023

ZIP 57061 vs its nearest neighbors, by median income

Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.

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.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023
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

57006 standard
Brookings, SD
Pop: 24,530
57071 standard
Volga, SD
Pop: 2,758
57026 standard
Elkton, SD
Pop: 1,458
57276 standard
White, SD
Pop: 1,178
57002 standard
Aurora, SD
Pop: 863
57220 standard
Bruce, SD
Pop: 767

Related Areas

Brookings County Sinai, SD South Dakota

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.

Read our methodology to see how this data is sourced, computed, and verified.