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ZIP CODE TABULATION AREA

93428

California · 6,399 residents · 77.281 sq mi
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ZIP 93428 is wealthier than most US places, with a median household income of $99,762. Population has held roughly steady since 2024. 49% of adults hold a bachelor's degree or higher. Median home value is $932,500. With a median age of 61.2, the population is older than the US median of 38.9. Among the 18 ZIP codes in San Luis Obispo County, 93428 ranks 7th by median household income.

$99,762
US average: $82,259
$932,500
US average: $376,019
49.2%
US average: 35.6%
Age, sex & households
Under 18
14.6%
Age 65+
43.9%
50.2%
49.8%
2.15 people
Race & ethnicity · 2024
2024
White, non-Hispanic65.7%(4,202)
Black0.1%(6)
Hispanic / Latino26.4%(1,691)
Asian1.9%(120)
Other5.9%(380)
Diversity Score61.9%(3,960)
Housing
Commute & vehicles
Work & employment
People & community
Affordability & inequality
Within San Luis Obispo County
Income rank vs other ZIPs
LOWEST7TH OF 18HIGHEST
Adjacent ZIPs
93401$96,824
93402$109,090
93405$60,399
Frequently asked

How many people live in ZIP code 93428?

ZIP code 93428 has about 6,399 residents according to the 2024 American Community Survey.

What is the median household income in ZIP code 93428?

The typical household in ZIP code 93428 earns about $99,762 a year. Half of households make more than that, and half make less.

Is ZIP code 93428 expensive?

In ZIP code 93428, the median home is worth about $932,500, and the typical rent is about $1,912 a month.

How educated are people in ZIP code 93428?

About 49.2% of adults age 25 and over in ZIP code 93428 hold a bachelor's degree or higher.

What is the poverty rate in ZIP code 93428?

About 10.0% of people in ZIP code 93428 live below the federal poverty line.

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