ZIP code
51108
Sioux City, IA
51108 covers Sioux City in Woodbury County, with 5,637 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 51108. Methodology
ZIP code map of 51108
About ZIP code 51108
More enterprise fields
Commercial ZIP directory · not ACS
Commercial ZIP directory population_count for ZCTA 51108. Not ACS. Methodology
People in 51108
Race
- White4,949
- Black or African American91
- American Indian or Alaska Native41
- Asian75
- Native Hawaiian and Pacific Islander11
- Other race315
- Two or more races485
Hispanic or Latino (any race): 813
Age
- Under 10782
- 10 to 19868
- 20 to 29666
- 30 to 39691
- 40 to 49689
- 50 to 59781
- 60 to 69834
- 70 to 79475
- 80 and older181
Income and housing in 51108
Education
- High school graduate95.0%
- Bachelor's degree29.7%
- Graduate degree8.3%
Places covering 51108
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.
- Sioux City70.6%
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 County77.6%
- Plymouth County22.4%
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
29.4% of this ZIP is outside city limits (a real overlap row, not missing data).
Population history for 51108
Hover the chart or read the table below (Year | ACS | IRS).
| Year | ACS population | IRS population |
|---|---|---|
| 2005 | 5,557 | |
| 2006 | 5,423 | |
| 2007 | 5,700 | |
| 2008 | 5,352 | |
| 2009 | 5,450 | |
| 2010 | 5,476 | |
| 2011 | 5,962 | 5,465 |
| 2012 | 6,401 | 5,440 |
| 2013 | 6,376 | 5,350 |
| 2014 | 5,582 | 5,300 |
| 2015 | 5,714 | 5,460 |
| 2016 | 5,931 | 5,260 |
| 2017 | 5,700 | 5,240 |
| 2018 | 5,367 | 5,320 |
| 2019 | 5,084 | 5,400 |
| 2020 | 5,961 | 5,370 |
| 2021 | 5,431 | 5,300 |
| 2022 | 5,555 | 5,300 |
| 2023 | 5,637 |
ACS: U.S. Census Bureau American Community Survey 5-year estimates. IRS: Statistics of Income ZIP Code data.
ZIP codes near 51108
12 nearest ZIP centroids (any distance)
- 51104Sioux City3.4 miPop 22,792 · Income $74,984
- 51105Sioux City4.1 miPop 10,726 · Income $46,940
- 51101Sioux City5.4 miPop 1,077 · Income $18,103
- 51103Sioux City5.9 miPop 17,145 · Income $57,212
- 51024Hinton6.2 miPop 2,048 · Income $108,892
- 51109Sioux City6.7 miPop 3,731 · Income $70,750
- 51106Sioux City7.4 miPop 28,381 · Income $74,486
- 57049North Sioux City8.5 miPop 7,814 · Income $93,239
- 68776South Sioux City9.0 miPop 15,034 · Income $68,686
- 51030Lawton9.6 miPop 1,630 · Income $78,750
- 51038Merrill9.7 miPop 1,512 · Income $88,864
- 51111Sioux City10.4 miPop 48 · Income $45,250
ZIP centroids within 2 miles
No other ZIP codes within 2 miles of 51108, measured by Census internal-point centroids. Try a wider radius.
ZIPs within 2 miles of this place
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ZIP code 51108 FAQ
- What city is ZIP code 51108 in?
- 51108 is in Sioux City, IA.
- What county is 51108 in?
- 51108 is in Woodbury County.
- What is the median household income in 51108?
- The median household income in 51108 is $78,333.
- Which ZIP codes are near 51108?
- Use the radius tool on this page to list ZIP codes within a chosen distance of 51108.