ZIP Code 57335

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Fairfax · Gregory County · South Dakota

ZIP code 57335 in Fairfax, South Dakota has a population of 244. The median household income is $92,813, which is 22% above the national average. Median home value is $125,600, 55% below the US average. 25.1% of residents hold a bachelor's degree or higher.

ZIP code 57335 is classified by USPS as a standard delivery area and covers roughly 271.1 square miles in Fairfax, Gregory County, South Dakota. The area is home to 244 residents, producing a population density of 1 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 57335 against South Dakota and the nation.

On the economic side, the median household income for ZIP 57335 sits at $92,813 (21% above the South Dakota average), while per-capita income is $46,599. The poverty rate stands at 5.0% and the unemployment rate at 1.5%. On housing, the median home value is $125,600 (35% below the state average) with median rent at per month, and 90.1% of occupied units are owner-occupied — a direct signal of whether 57335 behaves more like a homeowner neighborhood or a renter-heavy ZIP.

Education and household profile round out the picture: 25.1% of adults hold a bachelor's degree or higher, the median age is 54.6, and the average commute is . We also surface 1 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing Gregory County, so you can benchmark 57335 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 57335, Fairfax, 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

244

Population

271.1

Area (sq mi)

1

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.
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Demographics

54.6

Median Age

41.3%

Male

58.7%

Female

3.3%

Foreign-Born

White 95.7%
African American 0.0%
Asian 2.3%
American Indian or Alaska Native 0.0%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 2.0%
Hispanic or Latino 0.0%

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

$92,813

Median Household Income

+21% vs state

$46,599

Per Capita Income

5.0%

Poverty Rate

1.5%

Unemployment Rate

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

Education

High School Graduate or Higher 57.8%
Bachelor's Degree or Higher 25.1%

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

Housing

168

Total Housing Units

141

Occupied Units

27

Vacant Units

2.15

Avg Household Size

Occupancy Type

Owner 90.1%
Renter 9.9%

$125,600

Median Home Value

-35% vs state

1985

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 57335, employing approximately 24 people with a combined annual payroll of $819,000.

8

Businesses

24

Employees

$819K

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 57335 vs 68722 →

ZIP Code City Population Distance
68722 Butte, NE 555 11.0 mi

More ZIP Codes in Gregory County

Related Areas

Frequently Asked Questions

What county is ZIP code 57335 in?
ZIP code 57335 (Fairfax) is located in Gregory County, South Dakota. Gregory County contains multiple ZIP codes — see the full list at /counties/gregory-sd.
What is the population of ZIP code 57335?
ZIP code 57335 in Fairfax, SD has a population of 244 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 57335?
The median household income in ZIP 57335 is $92,813, which is 22% above the national average of $76,288.
What is the average home value in ZIP 57335?
The median home value in ZIP 57335 is $125,600, which is 55% below the national average of $278,155.
What is the demographic makeup of ZIP 57335?
The largest racial group in ZIP 57335 is White at 95.7%.
How many businesses are in ZIP code 57335?
ZIP code 57335 has 8 business establishments employing approximately 24 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What is the education level in ZIP code 57335?
In ZIP code 57335, 57.8% of residents aged 25+ have a high school diploma or higher, and 25.1% 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 57335?
In ZIP code 57335, approximately 90.1% of occupied housing units are owner-occupied and 9.9% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 57335?
The poverty rate in ZIP code 57335 is 5.0% 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 Fairfax, 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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