PlainZIP

Fairfax, SD · standard

ZIP Code 57335

Gregory County, South Dakota - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.

244
1/sq mi
$92,813
Median income
$125,600
Median home value
25.1%
Bachelor's or higher

The verdict

Fairfax pairs an upper-quartile household income with among the most affordable home values nationally, in a rural, homeowner-dominated area.

Top 24%
household income, US ZIPs
19th pct
home value, US ZIPs
1
people per sq mi
90%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 57335 against every reporting US ZIP.

ZIP code 57335 is a sparsely populated ZIP (a standard USPS delivery area) in Fairfax, Gregory County, South Dakota, home to just 244 residents across 271.1 square miles, a density of 1 people per square mile, in the Chicago time zone.

ZIP 57335 lands in the middle-income range, with a median household income of $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%. Housing costs here run $125,600 for a typical home value (35% below the state average), with rent averaging - a month; 90.1% of homes are owner-occupied.

Educational attainment sits below the national norm: 25.1% of adults hold a bachelor's degree or higher, the median age is 54.6, and the average commute is -. Beyond these figures, 1 nearby ZIP codes within about 10 miles are surfaced below, along with 6 more sharing Gregory County, letting you compare 57335 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 57335, Fairfax, 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

244

Population

271.1

Area (sq mi)

1

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 57335?

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)

How much do residents earn?

$92,813

Median Household Income

+21% vs state

$46,599

Per Capita Income

5.0%

Poverty Rate

1.5%

Unemployment Rate

How ZIP 57335 ranks nationally

Fairfax, SD household income vs. every US ZIP code

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

$92,813 Top 24% higher than 76% 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%). Below this entry. $60,000–$80,000: 9,980 US ZIPs (33%). Below this entry. $80,000–$100,000: 5,778 US ZIPs (19%). This entry sits in this band. $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 57.8%
Bachelor's Degree or Higher 25.1%

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

What does housing look like?

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)

What businesses operate in this ZIP?

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

57533 standard
Gregory, SD
Pop: 1,900
57523 standard
Burke, SD
Pop: 1,094
57317 standard
Bonesteel, SD
Pop: 526
57529 standard
Dallas, SD
Pop: 395
57538 standard
Herrick, SD
Pop: 322
57571 standard
Saint Charles, SD
Pop: 14

Related Areas

Gregory County Fairfax, SD South Dakota

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.

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