ZIP code
51023
Hawarden, IA
51023 covers Hawarden in Sioux County, with 3,437 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 51023. Methodology
ZIP code map of 51023

About ZIP code 51023
More enterprise fields
Commercial ZIP directory · not ACS
Commercial ZIP directory population_count for ZCTA 51023. Not ACS. Methodology
People in 51023
Race
- White2,664
- Black or African American5
- American Indian or Alaska Native35
- Asian2
- Other race378
- Two or more races308
Hispanic or Latino (any race): 735
Age
- Under 10444
- 10 to 19579
- 20 to 29311
- 30 to 39404
- 40 to 49386
- 50 to 59401
- 60 to 69397
- 70 to 79282
- 80 and older188
Income and housing in 51023
Education
- High school graduate79.3%
- Bachelor's degree20.4%
- Graduate degree7.4%
Places covering 51023
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.
- Hawarden79.6%
- Chatsworth0.0%
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.
- Sioux County93.5%
- Union County, SD6.5%
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
13.9% of this ZIP is outside city limits (a real overlap row, not missing data).
Population history for 51023
Hover the chart or read the table below (Year | ACS | IRS).
| Year | ACS population | IRS population |
|---|---|---|
| 2005 | 3,305 | |
| 2006 | 3,126 | |
| 2007 | 3,366 | |
| 2008 | 3,169 | |
| 2009 | 2,885 | |
| 2010 | 3,000 | |
| 2011 | 3,166 | 2,953 |
| 2012 | 3,167 | 3,000 |
| 2013 | 3,116 | 2,910 |
| 2014 | 3,183 | 2,950 |
| 2015 | 3,119 | 2,920 |
| 2016 | 3,157 | 2,880 |
| 2017 | 3,050 | 2,840 |
| 2018 | 3,233 | 2,800 |
| 2019 | 3,268 | 2,820 |
| 2020 | 3,536 | 2,770 |
| 2021 | 3,264 | 2,720 |
| 2022 | 3,469 | 2,710 |
| 2023 | 3,437 |
ACS: U.S. Census Bureau American Community Survey 5-year estimates. IRS: Statistics of Income ZIP Code data.
ZIP codes near 51023
12 nearest ZIP centroids (any distance)
- 51011Chatsworth6.8 miPop 80 · Income $45,556
- 51027Ireton7.4 miPop 1,443 · Income $91,875
- 57034Hudson8.7 miPop 720 · Income $94,250
- 57001Alcester9.8 miPop 1,550 · Income $72,885
- 51001Akron12.2 miPop 2,292 · Income $67,639
- 57027Fairview13.1 miPop 199 · Income —
- 51036Maurice14.1 miPop 483 · Income $111,563
- 51250Sioux Center14.3 miPop 9,887 · Income $90,238
- 51247Rock Valley14.4 miPop 5,028 · Income $73,451
- 51008Brunsville16.8 miPop 180 · Income $67,125
- 57004Beresford17.3 miPop 3,900 · Income $81,364
- 51041Orange City19.6 miPop 7,173 · Income $84,115
ZIP centroids within 2 miles
No other ZIP codes within 2 miles of 51023, measured by Census internal-point centroids. Try a wider radius.
ZIPs within 2 miles of this place
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ZIP code 51023 FAQ
- What city is ZIP code 51023 in?
- 51023 is in Hawarden, IA.
- What county is 51023 in?
- 51023 is in Sioux County.
- What is the median household income in 51023?
- The median household income in 51023 is $74,205.
- Does ZIP code 51023 cross state lines?
- Yes. 51023 is listed in IA, SD. This page is the canonical listing for Hawarden, IA.
- Which ZIP codes are near 51023?
- Use the radius tool on this page to list ZIP codes within a chosen distance of 51023.