ZIP code
51044
Oto, IA
51044 covers Oto in Woodbury County, with 173 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 51044. Methodology
ZIP code map of 51044

About ZIP code 51044
More enterprise fields
Commercial ZIP directory · not ACS
Commercial ZIP directory population_count for ZCTA 51044. Not ACS. Methodology
People in 51044
Race
- White195
- American Indian or Alaska Native1
- Other race3
- Two or more races10
Hispanic or Latino (any race): 8
Age
- Under 1029
- 10 to 1923
- 20 to 2914
- 30 to 3922
- 40 to 4925
- 50 to 5929
- 60 to 6930
- 70 to 7919
- 80 and older18
Income and housing in 51044
Education
- High school graduate97.2%
- Bachelor's degree32.2%
- Graduate degree5.6%
Places covering 51044
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.
- Oto34.4%
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.
- Woodbury County100.0%
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
65.6% of this ZIP is outside city limits (a real overlap row, not missing data).
Population history for 51044
Hover the chart or read the table below (Year | ACS | IRS).
| Year | ACS population | IRS population |
|---|---|---|
| 2005 | 206 | |
| 2006 | 212 | |
| 2007 | 245 | |
| 2009 | 196 | |
| 2010 | 212 | |
| 2011 | 229 | 193 |
| 2012 | 210 | 190 |
| 2013 | 214 | 180 |
| 2014 | 179 | 180 |
| 2015 | 208 | 170 |
| 2016 | 203 | 190 |
| 2017 | 227 | |
| 2018 | 232 | |
| 2019 | 258 | |
| 2020 | 332 | |
| 2021 | 232 | |
| 2022 | 216 | |
| 2023 | 173 |
ACS: U.S. Census Bureau American Community Survey 5-year estimates. IRS: Statistics of Income ZIP Code data.
ZIP codes near 51044
12 nearest ZIP centroids (any distance)
- 51056Smithland4.9 miPop 332 · Income $100,395
- 51004Anthon5.1 miPop 853 · Income $49,821
- 51051Rodney7.3 miPop 48 · Income $52,188
- 51026Hornick8.4 miPop 1,050 · Income $82,411
- 51015Climbing Hill8.6 miPop 70 · Income —
- 51019Danbury10.3 miPop 441 · Income $66,250
- 51034Mapleton11.9 miPop 1,844 · Income $65,489
- 51039Moville11.9 miPop 2,831 · Income $105,994
- 51016Correctionville12.8 miPop 1,095 · Income $52,813
- 51010Castana14.5 miPop 416 · Income $92,083
- 51007Bronson15.3 miPop 581 · Income $110,341
- 51018Cushing15.7 miPop 665 · Income $72,222
ZIP centroids within 2 miles
No other ZIP codes within 2 miles of 51044, measured by Census internal-point centroids. Try a wider radius.
ZIPs within 2 miles of this place
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ZIP code 51044 FAQ
- What city is ZIP code 51044 in?
- 51044 is in Oto, IA.
- What county is 51044 in?
- 51044 is in Woodbury County.
- What is the median household income in 51044?
- The median household income in 51044 is $88,750.
- Which ZIP codes are near 51044?
- Use the radius tool on this page to list ZIP codes within a chosen distance of 51044.