Akaska, SD · standard
ZIP Code 57420
Walworth County, South Dakota - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 75
- 1/sq mi Low-density area
- $40,469
- Median income Below-median income area
- $79,000
- Median home value Below-median home value
- 36.9%
- Bachelor's or higher Above-average bachelor's attainment
National ZIP placement
Akaska pairs one of the lowest household incomes in the country with among the most affordable home values nationally, in a rural, homeowner-dominated area.
- 6th pct
- household income, US ZIPs
- 4th pct
- home value, US ZIPs
- 1
- people per sq mi
- 65%
- owner-occupied homes
Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 57420 against every reporting US ZIP.
ZIP code 57420 is a sparsely populated ZIP (a standard USPS delivery area) in Akaska, Walworth County, South Dakota, home to just 75 residents across 125.0 square miles, a density of 1 people per square mile, in the Chicago time zone.
With fewer than 100 residents on file, this page keeps the Census figures below and skips the multi-chart expansion used on larger ZIPs. Small-N ACS estimates are already unstable enough without padding the page around them. Median household income is $40,469.
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 57420, Akaska, 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
75
Population
125.0
Area (sq mi)
1
People / sq mi
Chicago
Time Zone
standard
ZIP Type
Who lives in ZIP 57420?
21.6
Median Age
61.2%
Male
38.8%
Female
0.0%
Foreign-Born
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
How much do residents earn?
$40,469
Median Household Income
-47% vs state ZIP avg
$16,487
Per Capita Income
45.0%
Poverty Rate
0.0%
Unemployment Rate
How ZIP 57420 ranks among South Dakota ZIPs
Akaska, 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)
$40,469 5th percentile higher than 5% 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 does housing look like?
Housing stock: occupied vs vacant
193housing units
193
Total Housing Units
107
Occupied Units
86
Vacant Units
2.43
Avg Household Size
Occupancy Type
$79,000
Median Home Value
-59% vs state ZIP avg
1992
Median Year Built
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What businesses operate in this ZIP?
Census Bureau data shows 3 business establishments in ZIP 57420, employing approximately 9 people with a combined annual payroll of $197,000.
3
Businesses
9
Employees
$197K
Annual Payroll
0
Industry Sectors
Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.
Nationwide ZIPs with similar ACS profiles
Two Census-derived peer sets for ZIP 57420, 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.
Related Areas
Frequently Asked Questions
What county is ZIP code 57420 in?
ZIP code 57420 (Akaska) is located in Walworth County, South Dakota. Walworth County contains multiple ZIP codes, see the full list at /counties/walworth-sd.
What is the population of ZIP code 57420?
ZIP code 57420 in Akaska, SD has a population of 75 according to the Census Bureau ACS 2023 estimates.
Take this with you
What to do with ZIP 57420's numbers, next.
- See how ZIP 57420 compares to a neighboring ZIP code on the same Census fields Compare this ZIP
- Check where Akaska, 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.