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People
Statistics · Area
estimate
Average household size in St. Johns County
2013 – 2024 · 12 data points
11 of 67 · Regions of Florida
Updated Oct 23, 2026
Source: U.S. Census Bureau, American Community Survey 5-year estimates, 2013 – 2024
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Overview
6 figures
People
21 figures
Economy
20 figures
Housing
8 figures
Education
10 figures
Tourism
3 figures
Climate
3 figures
Latest value · 2024
2.62per household
−0.04
since 2023 ± 0.02 · margin of error
Regions of Florida · 2024
11 of 67
Place 1 is the highest value.
since 2014
+0.03
vs Florida
+0.11
Florida: 2.51 · 2024
Average household size, 2013 – 2024 people per household · St. Johns County · Florida · United States
+0.03 since 2014
2.50
2.60
2.70
2.80
2013
2016
2018
2020
2024
St. Johns County
Florida
United States
Source: U.S. Census Bureau, American Community Survey 5-year estimates, 2013 – 2024
Compared with Average household size · people per household
Source: U.S. Census Bureau, American Community Survey 5-year estimates
The series at a glance St. Johns County · 2013 – 2024
Latest value
2.62 · 2024
First value
2.57 · 2013
Highest
2.77 · 2020
Lowest
2.57 · 2013
Data points
12
By year
All years · 2013 – 2024
| Year | St. Johns County | ± | Change | Florida | United States |
|---|---|---|---|---|---|
| 2024estimate | 2.62 | 0.02 | −0.04 | 2.51 | 2.53 |
| 2023estimate | 2.66 | 0.03 | −0.04 | 2.51 | 2.54 |
| 2022estimate | 2.70 | 0.03 | −0.05 | 2.53 | 2.57 |
| 2021estimate | 2.75 | 0.03 | −0.02 | 2.57 | 2.60 |
| 2020estimate | 2.77 | 0.03 | +0.04 | 2.62 | — |
| 2019estimate | 2.73 | 0.04 | +0.03 | 2.65 | — |
| 2018estimate | 2.70 | 0.03 | +0.02 | 2.65 | — |
| 2017estimate | 2.68 | 0.04 | +0.03 | 2.64 | — |
| 2016estimate | 2.65 | 0.03 | +0.03 | 2.64 | — |
| 2015estimate | 2.62 | 0.03 | +0.03 | 2.63 | — |
| 2014estimate | 2.59 | 0.03 | +0.02 | 2.62 | — |
| 2013estimate | 2.57 | 0.04 | 2.61 | — |
Source: U.S. Census Bureau, American Community Survey 5-year estimates, 2013 – 2024
Ranking · Regions of Florida
2020 · Place 1 is the highest value.
| # | Territory | Average household size | |
|---|---|---|---|
| 1 | Osceola County | 3.30 | |
| 2 | Hardee County | 3.11 | |
| 3 | Lafayette County | 3.07 | |
| 4 | Hendry County | 3.07 | |
| 5 | Miami-Dade County | 2.95 | |
| 6 | Baker County | 2.91 | |
| 7 | Polk County | 2.88 | |
| 8 | Orange County | 2.87 | |
| 9 | Clay County | 2.84 | |
| 10 | Suwannee County | 2.82 | |
| 11 | St. Johns County | 2.77 | |
| 12 | Broward County | 2.73 | |
| 13 | DeSoto County | 2.73 | |
| 14 | Calhoun County | 2.73 | |
| 15 | Liberty County | 2.72 | |
| 16 | St. Lucie County | 2.68 | |
| 17 | Hillsborough County | 2.65 | |
| 18 | Santa Rosa County | 2.64 | |
| 19 | Okeechobee County | 2.63 | |
| 20 | Columbia County | 2.62 | |
| 21 | Seminole County | 2.60 | |
| 22 | Manatee County | 2.59 | |
| 23 | Wakulla County | 2.59 | |
| 24 | Lee County | 2.58 | |
| 25 | Palm Beach County | 2.58 | |
| … |
Source: U.S. Census Bureau, American Community Survey 5-year estimates, 2020
What it means
How many people share an average home.
How it is calculated
Residents of households divided by the number of households.
People
St. Johns County in numbers
Population
346K
2025
Population growth
0.52%
2025 · United States
Population density
223
2025
Median age
44.2
2024
Children under 15
15.7%
2024 · Florida
Children under 18
21.6%
2024
Residents 65 and over
21.1%
2024
Life expectancy
77.9
2022 · Florida
Births per woman
1.63
2024 · United States
Birth rate
10.6
2024 · United States
Infant mortality
5.5
2024 · United States
Net migration
3.9
2023 · United States