ZIP code
51521
Avoca, IA
51521 covers Avoca in Pottawattamie County, with 1,935 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 51521. Methodology
ZIP code map of 51521
About ZIP code 51521
More enterprise fields
Commercial ZIP directory · not ACS
Commercial ZIP directory population_count for ZCTA 51521. Not ACS. Methodology
People in 51521
Race
- White2,055
- Black or African American11
- American Indian or Alaska Native13
- Asian14
- Other race23
- Two or more races86
Hispanic or Latino (any race): 67
Age
- Under 10268
- 10 to 19289
- 20 to 29251
- 30 to 39211
- 40 to 49230
- 50 to 59300
- 60 to 69320
- 70 to 79176
- 80 and older157
Income and housing in 51521
Education
- High school graduate94.5%
- Bachelor's degree27.7%
- Graduate degree12.2%
Places covering 51521
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.
- Avoca76.4%
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.
- Pottawattamie County91.9%
- Shelby County8.1%
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
23.6% of this ZIP is outside city limits (a real overlap row, not missing data).
Population history for 51521
Hover the chart or read the table below (Year | ACS | IRS).
| Year | ACS population | IRS population |
|---|---|---|
| 2005 | 2,119 | |
| 2006 | 2,042 | |
| 2007 | 2,186 | |
| 2008 | 2,012 | |
| 2009 | 2,008 | |
| 2010 | 1,977 | |
| 2011 | 1,895 | 1,952 |
| 2012 | 1,831 | 1,960 |
| 2013 | 1,807 | 1,910 |
| 2014 | 1,856 | 1,970 |
| 2015 | 1,815 | 1,920 |
| 2016 | 1,882 | 1,920 |
| 2017 | 1,956 | 1,960 |
| 2018 | 1,895 | 1,950 |
| 2019 | 1,784 | 2,080 |
| 2020 | 1,731 | 2,100 |
| 2021 | 1,741 | 1,990 |
| 2022 | 1,857 | 2,050 |
| 2023 | 1,935 |
ACS: U.S. Census Bureau American Community Survey 5-year estimates. IRS: Statistics of Income ZIP Code data.
ZIP codes near 51521
12 nearest ZIP centroids (any distance)
- 51570Shelby6.9 miPop 1,131 · Income $69,286
- 51536Hancock7.1 miPop 504 · Income $96,250
- 51577Walnut7.4 miPop 1,637 · Income $67,928
- 51553Minden11.6 miPop 1,007 · Income $88,750
- 51537Harlan11.6 miPop 6,480 · Income $62,353
- 51552Marne11.9 miPop 195 · Income $83,036
- 51560Oakland12.2 miPop 1,902 · Income $71,442
- 51563Persia13.8 miPop 708 · Income $68,333
- 51565Portsmouth14.3 miPop 482 · Income $96,667
- 51531Elk Horn15.0 miPop 943 · Income $58,929
- 51559Neola15.6 miPop 1,896 · Income $74,116
- 51578Westphalia16.4 miPop 150 · Income $108,646
ZIP centroids within 2 miles
No other ZIP codes within 2 miles of 51521, measured by Census internal-point centroids. Try a wider radius.
ZIPs within 2 miles of this place
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ZIP code 51521 FAQ
- What city is ZIP code 51521 in?
- 51521 is in Avoca, IA.
- What county is 51521 in?
- 51521 is in Pottawattamie County.
- What is the median household income in 51521?
- The median household income in 51521 is $71,715.
- Which ZIP codes are near 51521?
- Use the radius tool on this page to list ZIP codes within a chosen distance of 51521.