Lomita, CA
Census ZIP code profile for Lomita, CA — 1 ZIPs, total population 21,318. Median income, home value, education, commute, and demographics from the U.S. Census Bureau American Community Survey 2023 5-Year Estimates.
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Lomita, CA is covered by 1 USPS ZIP code serving a combined population of 21,318 according to Census ACS 5-Year Estimates. U.S. cities rarely map cleanly to a single ZIP — Lomita splits its residents across 1 delivery areas, each with its own demographic and housing profile. The table below lists every ZIP by population, so you can see which neighborhoods carry the weight of the city total and which are smaller pockets of the same municipal boundary.
Aggregated across every ZIP in Lomita, the median household income averages $94,241 and per-capita income averages $44,574. Poverty rate runs at 13.3% and unemployment at 4.8%. On housing, the average median home value is $839,000 with median rent of $1,912 per month, and 44.8% of occupied units are owner-occupied. These are arithmetic averages across the 1 ZIP — not population-weighted — so small ZIPs influence the headline numbers the same as large ones.
Use this city view to compare ZIPs inside Lomita against each other rather than hunting for a single "city average." The Affordability Dashboard linked below combines these Census inputs with HUD Fair Market Rents, FBI crime data, and Department of Labor childcare costs into a graded scorecard for Lomita as a whole, while individual ZIP pages show fine-grained household income, housing profile, education attainment, commute time, and nearby-ZIP benchmarks. Every field on this page is sourced directly from U.S. Census Bureau ACS 2023 5-Year Estimates — no estimates, no proprietary scoring, no editorial adjustment.
1
ZIP Codes
21,318
Population
$94,241
Median Income
$839,000
Median Home Value
39.1
Median Age
How much do residents of Lomita earn?
What does housing look like in Lomita?
Who lives in Lomita?
ZIP Codes in Lomita, CA
| ZIP Code | Population | Density | Timezone |
|---|---|---|---|
| 90717 | 21,318 | 4,155 | America/Los_Angeles |
Frequently Asked Questions
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Related Guides
Understanding ZIP Code Data
What Census data tells you about a ZIP code
Income Inequality by ZIP Code
What median income hides and how to read the full picture
Official Data Resources for Lomita
Source: U.S. Census Bureau, American Community Survey (ACS) 5-Year Estimates (2023). Verify with Census Bureau →
Source: HUD USPS Crosswalk (ZIP-to-county mapping) and Source: simplemaps.com (ZIP coordinates & timezones). Verify with HUD →
PlainZIP is not affiliated with the U.S. Census Bureau or any government agency.
Disclaimer: This information is provided for informational purposes only and does not constitute professional advice. Data is sourced from the U.S. Census Bureau American Community Survey (ACS). Consult a qualified professional before making decisions based on this data.
Read our methodology to see how this data is sourced, computed, and verified.