Gayville, SD · standard
ZIP Code 57031
Yankton County, South Dakota - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 741
- 6/sq mi Low-density area
- $64,794
- Median income Near-median income area
- $137,100
- Median home value Below-median home value
- 13.9%
- Bachelor's or higher Below-average bachelor's attainment
National ZIP placement
Gayville pairs a below-median household income with among the most affordable home values nationally, in a rural, homeowner-dominated area.
- 38th pct
- household income, US ZIPs
- 22nd pct
- home value, US ZIPs
- 6
- people per sq mi
- 88%
- owner-occupied homes
Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 57031 against every reporting US ZIP.
ZIP code 57031 is a sparsely populated ZIP (a standard USPS delivery area) in Gayville, Yankton County, South Dakota, home to just 741 residents across 125.6 square miles, a density of 6 people per square mile, in the Chicago time zone.
ZIP 57031 reports a modest median household income of $64,794 (15% below the average South Dakota ZIP), while per-capita income is $42,104. Both reported hardship measures are comparatively low in absolute terms: poverty is 5.4% and unemployment is 0.0%. Home values sit below the statewide ZIP benchmark: the median is $137,100 (29% below the average South Dakota ZIP), and median rent is $602; owner occupancy is 88.1%.
Formal educational attainment runs low here: just 13.9% of adults hold a bachelor's degree or higher, the median age is 42.6, and the average commute is -. The page also surfaces 5 ZIP codes within roughly 10 miles and 6 more in Yankton County, so 57031 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 57031, Gayville, 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
741
Population
125.6
Area (sq mi)
6
People / sq mi
Chicago
Time Zone
standard
ZIP Type
Who lives in ZIP 57031?
42.6
Median Age
57.8%
Male
42.2%
Female
2.4%
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?
$64,794
Median Household Income
-15% vs state ZIP avg
$42,104
Per Capita Income
5.4%
Poverty Rate
0.0%
Unemployment Rate
How ZIP 57031 ranks among South Dakota ZIPs
Gayville, 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)
$64,794 28th percentile higher than 28% 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
429housing units
429
Total Housing Units
394
Occupied Units
35
Vacant Units
1.99
Avg Household Size
Occupancy Type
$137,100
Median Home Value
-29% vs state ZIP avg
$602
Median Rent
1964
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 57031, employing approximately 41 people with a combined annual payroll of $2,509,000.
8
Businesses
41
Employees
$2.5M
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 57031 vs 57072 →
ZIP 57031 vs its nearest neighbors, by population
Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 57031
Gayville (57031)
741 residents
- 57073
Wakonda (57073)
711 residents
- 57046
Mission Hill (57046)
626 residents
- 57072
Volin (57072)
584 residents
- 68792
Wynot (68792)
407 residents
- 68774
Saint Helena (68774)
348 residents
What this shows Among its immediate neighbors, ZIP 57031 ranks the most populous - useful context the national average alone can't give.
ZIP 57031 vs its nearest neighbors, by median income
Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 57072
Volin (57072)
$91,750 median income
- 57046
Mission Hill (57046)
$88,583 median income
- 68774
Saint Helena (68774)
$86,167 median income
- 57073
Wakonda (57073)
$73,281 median income
- 68792
Wynot (68792)
$70,000 median income
- 57031
Gayville (57031)
$64,794 median income
What this shows By household income, ZIP 57031 ranks #6 of 6 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 57031, 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 Yankton County
Related Areas
Frequently Asked Questions
What county is ZIP code 57031 in?
ZIP code 57031 (Gayville) is located in Yankton County, South Dakota. Yankton County contains multiple ZIP codes, see the full list at /counties/yankton-sd.
What is the population of ZIP code 57031?
ZIP code 57031 in Gayville, SD has a population of 741 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 57031?
The median household income in ZIP 57031 is $64,794, which is 15% below the national average of $76,288.
What is the average home value in ZIP 57031?
The median home value in ZIP 57031 is $137,100, which is 51% below the national average of $278,155.
What is the demographic makeup of ZIP 57031?
The largest racial group in ZIP 57031 is White at 85.5%. Hispanic or Latino residents make up 7.1% of the population.
How many businesses are in ZIP code 57031?
ZIP code 57031 has 8 business establishments employing approximately 41 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What is the education level in ZIP code 57031?
In ZIP code 57031, 45.2% of residents aged 25+ have a high school diploma or higher, and 13.9% 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 57031?
In ZIP code 57031, approximately 88.1% of occupied housing units are owner-occupied and 11.9% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 57031?
The poverty rate in ZIP code 57031 is 5.4% 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 57031's numbers, next.
- See how ZIP 57031 compares to a neighboring ZIP code on the same Census fields Compare this ZIP
- Check where Gayville, 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.