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County · GEOID 12109

St. Johns County, FL ZIP codes

12 ZIP/ZCTAs intersecting this county.

ACS 2023 population

292,243

Median household income

$106,169

Median home value

$457,600

U.S. Census Bureau, ACS 2019–2023 5-year (vintage 2023). Geography: County St. Johns County (GEOID 12109). Methodology

Combined population of ZIP/ZCTAs intersecting this county: 343,276 (12 ZIPs).

Combined population of ZIP/ZCTAs intersecting this county. Each intersecting ZIP contributes its full ZCTA population; overlap percents are descriptive only. This is not the Census county ACS headline above. Methodology

St. Johns County, FL ZIP code map

Census ZIP Code Tabulation Areas in St. Johns County, FL
ZIP Code Tabulation Areas inside St. Johns County, FL. Boundaries: U.S. Census Bureau. Methodology · Data sources
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ZIP/ZCTA overlap with St. Johns County

Population overlap

Share of each ZIP/ZCTA’s population located within St. Johns County, based on ZIP Code Database county-overlap data. This is a population measure, not land-area overlap or the Census county population.

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

ZIP codes intersecting St. Johns County

USPS associates these ZIPs with St. Johns County

These codes list St. Johns County as a primary or acceptable city. They are not used for the ACS headline.