ZIP code
66780
Walnut, KS
66780 covers Walnut in Crawford County, with 624 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 66780. Methodology
ZIP code map of 66780

About ZIP code 66780
More enterprise fields
Commercial ZIP directory · not ACS
Commercial ZIP directory population_count for ZCTA 66780. Not ACS. Methodology
People in 66780
Race
- White520
- American Indian or Alaska Native2
- Asian2
- Other race7
- Two or more races24
Hispanic or Latino (any race): 21
Age
- Under 1080
- 10 to 1969
- 20 to 2949
- 30 to 3956
- 40 to 4979
- 50 to 5978
- 60 to 6970
- 70 to 7955
- 80 and older19
Income and housing in 66780
Education
- High school graduate96.1%
- Bachelor's degree8.0%
- Graduate degree7.1%
Places covering 66780
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.
- Walnut33.7%
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.
- Crawford County66.5%
- Neosho County28.3%
- Bourbon County5.2%
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
66.3% of this ZIP is outside city limits (a real overlap row, not missing data).
Population history for 66780
Hover the chart or read the table below (Year | ACS | IRS).
| Year | ACS population | IRS population |
|---|---|---|
| 2005 | 559 | |
| 2006 | 541 | |
| 2007 | 588 | |
| 2008 | 525 | |
| 2009 | 501 | |
| 2010 | 496 | |
| 2011 | 966 | 477 |
| 2012 | 878 | 510 |
| 2013 | 813 | 500 |
| 2014 | 725 | 450 |
| 2015 | 602 | 470 |
| 2016 | 637 | 480 |
| 2017 | 636 | 470 |
| 2018 | 524 | 470 |
| 2019 | 495 | 450 |
| 2020 | 513 | 450 |
| 2021 | 500 | 450 |
| 2022 | 503 | 480 |
| 2023 | 624 |
ACS: U.S. Census Bureau American Community Survey 5-year estimates. IRS: Statistics of Income ZIP Code data.
ZIP codes near 66780
12 nearest ZIP centroids (any distance)
- 66746Hepler6.9 miPop 206 · Income $55,625
- 66775Stark8.1 miPop 216 · Income $61,071
- 66771Saint Paul9.4 miPop 1,077 · Income $67,321
- 66733Erie11.0 miPop 1,966 · Income $53,417
- 66772Savonburg11.5 miPop 270 · Income $48,667
- 66743Girard11.9 miPop 4,384 · Income $52,118
- 66734Farlington12.9 miPop 321 · Income —
- 66732Elsmore15.3 miPop 272 · Income $64,250
- 66779Uniontown15.9 miPop 955 · Income $63,846
- 66753Mc Cune17.2 miPop 1,013 · Income $73,236
- 66712Arma18.9 miPop 1,471 · Income $49,063
- 66769Redfield19.3 miPop 606 · Income $86,875
ZIP centroids within 2 miles
No other ZIP codes within 2 miles of 66780, measured by Census internal-point centroids. Try a wider radius.
ZIPs within 2 miles of this place
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ZIP code 66780 FAQ
- What city is ZIP code 66780 in?
- 66780 is in Walnut, KS.
- What county is 66780 in?
- 66780 is in Crawford County.
- What is the median household income in 66780?
- The median household income in 66780 is $80,443.
- Which ZIP codes are near 66780?
- Use the radius tool on this page to list ZIP codes within a chosen distance of 66780.