ZIP code
51545
Little Sioux, IA
51545 covers Little Sioux in Harrison County, with 258 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 51545. Methodology
ZIP code map of 51545
About ZIP code 51545
More enterprise fields
Commercial ZIP directory · not ACS
Commercial ZIP directory population_count for ZCTA 51545. Not ACS. Methodology
People in 51545
Race
- White330
- Black or African American2
- American Indian or Alaska Native1
- Asian1
- Other race5
- Two or more races6
Hispanic or Latino (any race): 18
Age
- Under 1044
- 10 to 1943
- 20 to 2914
- 30 to 3930
- 40 to 4957
- 50 to 5936
- 60 to 6952
- 70 to 7948
- 80 and older21
Income and housing in 51545
Education
- High school graduate91.8%
- Bachelor's degree7.7%
- Graduate degree0.0%
Places covering 51545
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.
- Little Sioux48.1%
- River Sioux12.2%
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.
- Harrison County93.0%
- Monona County7.0%
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
39.7% of this ZIP is outside city limits (a real overlap row, not missing data).
Population history for 51545
Hover the chart or read the table below (Year | ACS | IRS).
| Year | ACS population | IRS population |
|---|---|---|
| 2005 | 377 | |
| 2006 | 355 | |
| 2007 | 399 | |
| 2009 | 338 | |
| 2010 | 328 | |
| 2011 | 470 | 303 |
| 2012 | 425 | 280 |
| 2013 | 328 | 310 |
| 2014 | 338 | 260 |
| 2015 | 294 | 250 |
| 2016 | 301 | 260 |
| 2017 | 315 | 270 |
| 2018 | 324 | 240 |
| 2019 | 300 | 250 |
| 2020 | 334 | 280 |
| 2021 | 296 | 270 |
| 2022 | 271 | 240 |
| 2023 | 258 |
ACS: U.S. Census Bureau American Community Survey 5-year estimates. IRS: Statistics of Income ZIP Code data.
ZIP codes near 51545
12 nearest ZIP centroids (any distance)
- 51523Blencoe5.2 miPop 356 · Income $80,909
- 51564Pisgah5.5 miPop 512 · Income $71,484
- 51557Mondamin8.1 miPop 788 · Income $75,221
- 51558Moorhead8.2 miPop 680 · Income $78,393
- 68061Tekamah11.0 miPop 2,249 · Income $56,932
- 51040Onawa12.8 miPop 3,388 · Income $60,642
- 51550Magnolia13.2 miPop 142 · Income $77,679
- 51572Soldier14.1 miPop 379 · Income $70,000
- 51556Modale14.4 miPop 289 · Income $59,821
- 68020Decatur15.3 miPop 655 · Income $51,250
- 51579Woodbine16.4 miPop 2,205 · Income $70,833
- 51010Castana17.5 miPop 416 · Income $92,083
ZIP centroids within 2 miles
No other ZIP codes within 2 miles of 51545, measured by Census internal-point centroids. Try a wider radius.
ZIPs within 2 miles of this place
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ZIP code 51545 FAQ
- What city is ZIP code 51545 in?
- 51545 is in Little Sioux, IA.
- What county is 51545 in?
- 51545 is in Harrison County.
- What is the median household income in 51545?
- The median household income in 51545 is $67,083.
- Which ZIP codes are near 51545?
- Use the radius tool on this page to list ZIP codes within a chosen distance of 51545.