ZIP code
91951
National City, CA
91951 is a po box for National City in San Diego County. Census ACS does not publish a population for this code. IRS last reported 1,580 people in 2008.
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
IRS Statistics of Income 2008. Geography: ZCTA 91951. Methodology
About ZIP code 91951
More enterprise fields
Commercial ZIP directory · not ACS
U.S. Census Bureau, ACS 2019–2023 5-year (vintage 2023). Geography: ZCTA 91951. Methodology
People in 91951
Census fields are empty for this ZIP.
Income and housing in 91951
ACS does not publish income or housing figures for this ZIP.
Places covering 91951
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.
No place overlap rows for this ZIP.
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.
No county overlap rows for this ZIP.
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
Population history for 91951
Hover the chart or read the table below (Year | ACS | IRS).
| Year | ACS population | IRS population |
|---|---|---|
| 2005 | 1,271 | |
| 2006 | 1,260 | |
| 2007 | 1,538 | |
| 2008 | 1,580 |
ACS: U.S. Census Bureau American Community Survey 5-year estimates. IRS: Statistics of Income ZIP Code data.
ZIP codes near 91951
12 nearest ZIP centroids (any distance)
No other ZIP codes with coordinates to rank by distance.
ZIP centroids within 2 miles
No other ZIP codes within 2 miles of 91951, measured by Census internal-point centroids. Try a wider radius.
ZIPs within 2 miles of this place
Default is 2 miles. Distances are between ZIP centroids. Widen the radius if nothing is in range.
ZIP code 91951 FAQ
- What city is ZIP code 91951 in?
- 91951 is in National City, CA.
- What county is 91951 in?
- 91951 is in San Diego County.
- What is the median household income in 91951?
- Median household income is not published for 91951.
- Which ZIP codes are near 91951?
- Use the radius tool on this page to list ZIP codes within a chosen distance of 91951.