US > South Dakota > Yankton County > Gayville, SD 57031

57031 ZIP Code Profile, Map, Data & Demographics

Related Place Profiles:
Gayville, SD
Advertisement

ZIP Code 57031: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Gayville, SD 57031

  • ZIP Code Type: STANDARD
  • County: Yankton County
  • Centroid: Latitude 42.89, Longitude -97.175
  • Time Zone: Central Time Zone (UTC -6 hours)
  • Observes DST: Yes

ZIP Code 57031 has segments in 2 Counties (Clay, Yankton).

  • Businesses Addresses: 13
  • PO Box Addresses: 181
  • Residential Addresses: 83
    • Multi-Family Addresses: 0
    • Single Family Addresses: 83

The ZIP Code maps and database are updated 4 times per year.
Database updated: June 1, 2025, Maps updated: May 1, 2024.

Advertisement

Gayville, SD 57031 Data & Demographics (As of July 1, 2025)

POPULATION

Total Population 619 (100%)
Population in Households 619 (100.0%)
Population in Families 487 (78.7%)
Population in Group Quarters1 0
Population Density 16
Diversity Index2 18
 
 

INCOME

Median Household Income $72,751
Average Household Income $90,039
% of Income for Mortgage4 18%
Per Capita Income $39,274
Wealth Index5 67
Socioeconomic Status Index6 Moderate (61.3)
 

HOUSING

Total HU (Housing Units) 287 (100%)
Owner Occupied HU 211 (73.5%)
Renter Occupied HU 59 (20.6%)
Vacant Housing Units 17 ( 5.9%)
Median Home Value $209,375
Average Home Value $279,206
Housing Affordability Index3 119
 

HOUSEHOLDS

Total Households 270
Average Household Size 2.29
Family Households 179
Average Family Size 3.00
NOTES
  1. Group Quarters - a place where people live or stay in a group living arrangement. Includes college residents halls, nursing facilities, military barracks, and correctional facilities.
  2. The Diversity Index is a scale of 0 to 100 that represents the likelihood that two persons, chosen at random from the same area, belong to different races or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.
  3. The Housing Affordability Index base is 100 and represents a balance point where a resident with a median household income can normally qualify to purchase a median price home. Values above 100 indicate increased affordability, while values below 100 indicate decreased affordability.
  4. The % of Income for Mortgage quantifies the percentage of median household income dedicated to mortgage payments on a home priced at the median value (assuming a 30-year mortgage and a 20% down payment).
  5. The Wealth Index is based on a number of indicators of affluence including average household income and average net worth, but it also includes the value of material possessions and resources. It represents the wealth of the area relative to the national level. Values above or below 100 represent above-average wealth or below-average wealth compared to the national level.
  6. The Socioeconomic Index ranges from zero (lowest relative status) to 100 (highest relative status). This measure quantifies disparities in social position of an area's inhabitants and is built from a broad range of demographic, housing, and socioeconomic inputs. More information on this measure can be found in Esri's SEI tutorial.

GROWTH RATE / YEAR

 2020-2025 2025-2030
Population -0.37% -0.16%
Households 0.21% 0.07%
Families   0.66%
Median Household Income   2.00%
Per Capita Income   2.61%
Owner Occupied HU   1.56%

Gayville, SD 57031 - Peer Comparisons by Rank and Percentile

The table below compares 57031 to the other 371 ZIP Codes in South Dakota by rank and percentile using July 1, 2025 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

Variable Description Rank Percentile
Total Population # 180 52nd
Population Density # 83 78th
Median Household Income # 202 46th
Housing Affordability Index # 226 61st
Per Capita Income # 160 57th
Diversity Index # 229 38th

Additional comparisons and rankings can be made with a VERY EASY TO USE South Dakota Census Data Comparison Tool.


Popular Places Near ZIP Code 57031


Use HTL Address Research for a South Dakota Address and get...

Boundary Maps, Demographic Data, School Zones Review maps and data for the neighborhood, city, county, ZIP Code, and school zone. July 1, 2025, data includes home values, household income, percentage of homes owned, rented or vacant, etc.



Quick & Easy Ways to...

  1. Get Current Demographic Data for Cities, Towns, and ZIP Codes
  2. View Boundary Maps, for Cities, Towns, and ZIP Codes
  3. Locate Physical, Cultural, and Historical Features

South Dakota Census Data Comparison Tool

Compare South Dakota July 1, 2025 Data
Data:
Locations:
Highest or Lowest:
Results:

More Tools and Resources:

  1. For information about schools and school attendance zones, use the HTL Address Tool
  2. Our new HTL Neighborhood Explorer provides lots of detail about any neighborhood.
  3. The new 2-Minute Introduction and Concise Guide to Big Data which will help you make the most effective use of HomeTownLocator Tools.
  4. See the References & Data Sources page for more information about methodology and sources of data.



View ALL 57031 Content

Yankton County


Advertisement



Advertisement
Advertisement

Home | About HTL | Advertise Here | References | Legal | Privacy | Contact
Copyright © 2025 HTL, Inc. All Rights Reserved.
Website Development and Marketing by Blue Tangerine