ZIP code
57631
Glenham, SD
57631 covers Glenham in Walworth County, with 365 people in the ACS 2023 estimate.
Figures are for the Census ZIP Code Tabulation Area (ZCTA), which is not the same as a USPS ZIP code. A PO Box or unique ZIP may have no ZCTA and no demographics. Methodology
U.S. Census Bureau, ACS 2019–2023 5-year (vintage 2023). Geography: ZCTA 57631. Methodology
ZIP code map of 57631

About ZIP code 57631
More enterprise fields
Commercial ZIP directory · not ACS
Commercial ZIP directory population_count for ZCTA 57631. Not ACS. Methodology
People in 57631
Race
- White333
- American Indian or Alaska Native7
- Other race2
- Two or more races20
Hispanic or Latino (any race): 7
Age
- Under 1037
- 10 to 1928
- 20 to 2924
- 30 to 3953
- 40 to 4942
- 50 to 5948
- 60 to 6974
- 70 to 7933
- 80 and older23
Income and housing in 57631
Education
- High school graduate97.5%
- Bachelor's degree20.9%
- Graduate degree10.3%
Places covering 57631
Cities and places — Population overlap
Share of this ZIP/ZCTA’s population located within each place, based on ZIP Code Database place-overlap data. This is a population measure, not land-area overlap or the Census-place population.
- Glenham30.9%
ZIP Code Database place-overlap table, field percent_of_zip_population_in_place, keyed by place_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology
Counties — Population overlap
Share of this ZIP/ZCTA’s population located within each county, based on ZIP Code Database county-overlap data. This is a population measure, not land-area overlap or the Census county population.
- Walworth County76.8%
- Campbell County23.2%
ZIP Code Database county-overlap table, field percent_of_zip_population_in_county, keyed by county_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology
69.1% of this ZIP is outside city limits (a real overlap row, not missing data).
Population history for 57631
Hover the chart or read the table below (Year | ACS | IRS).
| Year | ACS population | IRS population |
|---|---|---|
| 2005 | 316 | |
| 2006 | 291 | |
| 2007 | 330 | |
| 2009 | 312 | |
| 2010 | 316 | |
| 2011 | 362 | 327 |
| 2012 | 350 | 330 |
| 2013 | 320 | 300 |
| 2014 | 300 | 310 |
| 2015 | 354 | 300 |
| 2016 | 355 | 300 |
| 2017 | 386 | 300 |
| 2018 | 421 | 290 |
| 2019 | 398 | 300 |
| 2020 | 444 | 310 |
| 2021 | 392 | 330 |
| 2022 | 348 | 330 |
| 2023 | 365 |
ACS: U.S. Census Bureau American Community Survey 5-year estimates. IRS: Statistics of Income ZIP Code data.
ZIP codes near 57631
12 nearest ZIP centroids (any distance)
- 57646Mound City13.1 miPop 248 · Income —
- 57658Wakpala14.0 miPop 338 · Income $25,938
- 57472Selby14.3 miPop 1,078 · Income $61,094
- 57601Mobridge17.6 miPop 3,483 · Income $63,396
- 57632Herreid20.8 miPop 687 · Income $62,361
- 57452Java21.4 miPop 174 · Income $53,750
- 57420Akaska22.5 miPop 221 · Income $41,250
- 57648Pollock23.6 miPop 476 · Income $66,635
- 57657Trail City24.5 miPop 203 · Income $97,500
- 57642Mc Laughlin24.5 miPop 1,949 · Income $56,528
- 57639Little Eagle25.4 miPop 373 · Income $22,125
- 57428Bowdle31.4 miPop 569 · Income $57,750
ZIP centroids within 2 miles
No other ZIP codes within 2 miles of 57631, measured by Census internal-point centroids. Try a wider radius.
ZIPs within 2 miles of this place
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ZIP code 57631 FAQ
- What city is ZIP code 57631 in?
- 57631 is in Glenham, SD.
- What county is 57631 in?
- 57631 is in Walworth County.
- What is the median household income in 57631?
- The median household income in 57631 is $56,250.
- Which ZIP codes are near 57631?
- Use the radius tool on this page to list ZIP codes within a chosen distance of 57631.