ZIP code
57646
Mound City, SD
57646 covers Mound City in Campbell County, with 248 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 57646. Methodology
ZIP code map of 57646
About ZIP code 57646
More enterprise fields
Commercial ZIP directory · not ACS
Commercial ZIP directory population_count for ZCTA 57646. Not ACS. Methodology
People in 57646
Race
- White193
- American Indian or Alaska Native4
- Asian1
- Two or more races9
Hispanic or Latino (any race): 11
Age
- Under 1021
- 10 to 1924
- 20 to 2915
- 30 to 3914
- 40 to 4919
- 50 to 5930
- 60 to 6934
- 70 to 7936
- 80 and older14
Income and housing in 57646
Education
- High school graduate95.1%
- Bachelor's degree42.3%
- Graduate degree0.6%
Places covering 57646
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.
- Mound City33.3%
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.
- Campbell County100.0%
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
66.7% of this ZIP is outside city limits (a real overlap row, not missing data).
Population history for 57646
Hover the chart or read the table below (Year | ACS | IRS).
| Year | ACS population | IRS population |
|---|---|---|
| 2005 | 212 | |
| 2006 | 202 | |
| 2007 | 204 | |
| 2009 | 208 | |
| 2010 | 198 | |
| 2011 | 174 | 194 |
| 2012 | 188 | 180 |
| 2013 | 238 | 190 |
| 2014 | 266 | 200 |
| 2015 | 297 | 210 |
| 2016 | 292 | 200 |
| 2017 | 276 | 200 |
| 2018 | 278 | |
| 2019 | 252 | 200 |
| 2020 | 324 | 190 |
| 2021 | 259 | 190 |
| 2022 | 267 | 210 |
| 2023 | 248 |
ACS: U.S. Census Bureau American Community Survey 5-year estimates. IRS: Statistics of Income ZIP Code data.
ZIP codes near 57646
12 nearest ZIP centroids (any distance)
- 57632Herreid10.6 miPop 687 · Income $62,361
- 57631Glenham13.1 miPop 365 · Income $56,250
- 57452Java14.1 miPop 174 · Income $53,750
- 57472Selby17.6 miPop 1,078 · Income $61,094
- 57648Pollock21.3 miPop 476 · Income $66,635
- 57437Eureka22.2 miPop 1,278 · Income $42,917
- 57428Bowdle24.2 miPop 569 · Income $57,750
- 57658Wakpala24.3 miPop 338 · Income $25,938
- 58542Hague25.4 miPop 236 · Income $44,107
- 57420Akaska27.8 miPop 221 · Income $41,250
- 57601Mobridge27.9 miPop 3,483 · Income $63,396
- 58581Zeeland28.3 miPop 266 · Income $79,028
ZIP centroids within 2 miles
No other ZIP codes within 2 miles of 57646, measured by Census internal-point centroids. Try a wider radius.
ZIPs within 2 miles of this place
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ZIP code 57646 FAQ
- What city is ZIP code 57646 in?
- 57646 is in Mound City, SD.
- What county is 57646 in?
- 57646 is in Campbell County.
- What is the median household income in 57646?
- Median household income is not published for 57646.
- Which ZIP codes are near 57646?
- Use the radius tool on this page to list ZIP codes within a chosen distance of 57646.