---
type: Jurisdiction
title: "St. Johns County, FL"
classification: county
fips: "12109"
state: "FL"
demographics:
  population: 306934
  population_under_18: 66193
  population_18_64: 176124
  population_65_plus: 64617
  median_household_income: 109839
  poverty_rate: 6.54
  homeownership_rate: 82.23
  unemployment_rate: 3.31
  median_home_value: 489200
  gini_index: 0.4555
  vacancy_rate: 13.27
  race_white: 243237
  race_black: 15694
  race_asian: 11538
  race_native: 266
  hispanic: 27846
  bachelors_plus: 154674
sources:
  - field: demographics
    source: Census ACS 2023
confidence: official
tags: [jurisdiction, county, fl]
timestamp: "2026-07-03"
---

# St. Johns County, FL

County jurisdiction — 28 officeholders mapped.

## Demographics (ACS 2023)

| Measure | Value |
| --- | --- |
| Population | 306934 |
| Under 18 | 66193 |
| 18–64 | 176124 |
| 65+ | 64617 |
| Median household income | 109839 |
| Poverty rate | 6.54 |
| Homeownership rate | 82.23 |
| Unemployment rate | 3.31 |
| Median home value | 489200 |
| Gini index | 0.4555 |
| Vacancy rate | 13.27 |
| White | 243237 |
| Black | 15694 |
| Asian | 11538 |
| Native | 266 |
| Hispanic/Latino | 27846 |
| Bachelor's or higher | 154674 |

## Source

- demographics: Census ACS 2023