ZIP code
56557
Mahnomen, MN
56557 covers Mahnomen in Mahnomen County, with 2,797 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 56557. Methodology
ZIP code map of 56557

About ZIP code 56557
More enterprise fields
Commercial ZIP directory · not ACS
Commercial ZIP directory population_count for ZCTA 56557. Not ACS. Methodology
People in 56557
Race
- White1,188
- Black or African American1
- American Indian or Alaska Native1,210
- Asian7
- Other race21
- Two or more races399
Hispanic or Latino (any race): 100
Age
- Under 10493
- 10 to 19409
- 20 to 29302
- 30 to 39283
- 40 to 49262
- 50 to 59329
- 60 to 69361
- 70 to 79230
- 80 and older157
Income and housing in 56557
Education
- High school graduate83.8%
- Bachelor's degree11.7%
- Graduate degree2.4%
Places covering 56557
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.
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.
- Mahnomen County97.2%
- Norman County1.1%
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
37.9% of this ZIP is outside city limits (a real overlap row, not missing data).
Population history for 56557
Hover the chart or read the table below (Year | ACS | IRS).
| Year | ACS population | IRS population |
|---|---|---|
| 2005 | 2,485 | |
| 2006 | 2,491 | |
| 2007 | 2,808 | |
| 2008 | 2,589 | |
| 2009 | 2,644 | |
| 2010 | 2,602 | |
| 2011 | 2,740 | 2,525 |
| 2012 | 2,786 | 2,550 |
| 2013 | 2,839 | 2,400 |
| 2014 | 2,770 | 2,460 |
| 2015 | 2,712 | 2,450 |
| 2016 | 2,772 | 2,410 |
| 2017 | 2,799 | 2,420 |
| 2018 | 2,835 | 2,460 |
| 2019 | 2,903 | 2,470 |
| 2020 | 2,885 | 2,480 |
| 2021 | 2,834 | 2,370 |
| 2022 | 2,863 | 2,350 |
| 2023 | 2,797 |
ACS: U.S. Census Bureau American Community Survey 5-year estimates. IRS: Statistics of Income ZIP Code data.
ZIP codes near 56557
12 nearest ZIP centroids (any distance)
- 56589Waubun8.1 miPop 1,939 · Income $67,431
- 56566Naytahwaush11.5 miPop 594 · Income $38,056
- 56516Bejou11.6 miPop 307 · Income $62,000
- 56591White Earth14.0 miPop 474 · Income $17,045
- 56651Lengby14.6 miPop 638 · Income $67,031
- 56569Ogema15.6 miPop 1,268 · Income $56,250
- 56541Flom16.9 miPop 29 · Income $58,750
- 56592Winger17.7 miPop 572 · Income $58,750
- 56542Fosston19.0 miPop 2,435 · Income $57,750
- 56584Twin Valley19.6 miPop 1,360 · Income $70,398
- 56545Gary20.1 miPop 705 · Income $76,806
- 56621Bagley20.8 miPop 4,355 · Income $63,750
ZIP centroids within 2 miles
No other ZIP codes within 2 miles of 56557, measured by Census internal-point centroids. Try a wider radius.
ZIPs within 2 miles of this place
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ZIP code 56557 FAQ
- What city is ZIP code 56557 in?
- 56557 is in Mahnomen, MN.
- What county is 56557 in?
- 56557 is in Mahnomen County.
- What is the median household income in 56557?
- The median household income in 56557 is $53,077.
- Which ZIP codes are near 56557?
- Use the radius tool on this page to list ZIP codes within a chosen distance of 56557.