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ZIP CODE TABULATION AREA

93420

California · 31,345 residents · 197.429 sq mi
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ZIP 93420 is significantly wealthier than the US average, with a median household income of $110,553. Population has held roughly steady since 2024. Median home value is $917,900. With a median age of 48.2, the population is older than the US median of 38.9. Among the 18 ZIP codes in San Luis Obispo County, 93420 ranks 5th by median household income.

$110,553
US average: $82,259
$917,900
US average: $376,019
44.1%
US average: 35.6%
Age, sex & households
Under 18
19.7%
Age 65+
28.5%
47.2%
52.8%
2.44 people
Race & ethnicity · 2024
2024
White, non-Hispanic66.4%(20,821)
Black0.5%(170)
Hispanic / Latino21.3%(6,673)
Asian3.6%(1,117)
Other8.2%(2,564)
Diversity Score63.2%(19,804)
Housing
Commute & vehicles
Work & employment
People & community
Affordability & inequality
Within San Luis Obispo County
Income rank vs other ZIPs
LOWEST5TH OF 18HIGHEST
Adjacent ZIPs
93401$96,824
93402$109,090
93405$60,399
Frequently asked

How many people live in ZIP code 93420?

ZIP code 93420 has about 31,345 residents according to the 2024 American Community Survey.

What is the median household income in ZIP code 93420?

The typical household in ZIP code 93420 earns about $110,553 a year. Half of households make more than that, and half make less.

Is ZIP code 93420 expensive?

In ZIP code 93420, the median home is worth about $917,900, and the typical rent is about $2,187 a month.

How educated are people in ZIP code 93420?

About 44.1% of adults age 25 and over in ZIP code 93420 hold a bachelor's degree or higher.

What is the poverty rate in ZIP code 93420?

About 6.4% of people in ZIP code 93420 live below the federal poverty line.

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DATA: US CENSUS BUREAU ACS 5-YEAR · ZCTA · UPDATED 2024