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People Statistics · Area estimate

Median age in St. Johns County

2013 – 2024 · 12 data points 30 of 67 · Regions of Florida Updated Oct 23, 2026
People · St. Johns County Florida United States

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 44.2years +0.2 since 2023 ± 0.3 · margin of error
Regions of Florida · 2024 30 of 67 Place 1 is the highest value.
since 2014 +1.6
vs Florida +1.6 Florida: 42.6 · 2024
Median age, 2013 – 2024 years · St. Johns County · Florida · United States · World
+1.6 since 2014
St. Johns County Florida United States World

Sources: U.S. Census Bureau, American Community Survey 5-year estimates · United Nations, World Population Prospects, 2013 – 2024

Compared with Median age · years
St. Johns County
44.2
Florida
42.6
United States
38.9
World
30.4 · 2023

Sources: U.S. Census Bureau, American Community Survey 5-year estimates · United Nations, World Population Prospects

The series at a glance St. Johns County · 2013 – 2024
Latest value 44.2 · 2024
First value 42.5 · 2013
Highest 44.2 · 2024
Lowest 42.5 · 2013
Data points 12

By year

All years · 2013 – 2024

YearSt. Johns County±Change FloridaUnited StatesWorld
2024estimate 44.2 0.3 +0.2 42.6 38.9 —
2023estimate 44.0 0.2 ±0.0 42.6 38.7 30.4
2022estimate 44.0 0.2 +0.2 42.4 38.5 30.1
2021estimate 43.8 0.2 +0.1 42.3 38.4 29.8
2020estimate 43.7 0.2 ±0.0 42.2 — 29.6
2019estimate 43.7 0.3 +0.3 42.0 — 29.3
2018estimate 43.4 0.3 +0.3 41.9 — 29.0
2017estimate 43.1 0.3 +0.2 41.8 — 28.8
2016estimate 42.9 0.3 +0.2 41.6 — 28.5
2015estimate 42.7 0.2 +0.1 41.4 — 28.3
2014estimate 42.6 0.2 +0.1 41.2 — 28.1
2013estimate 42.5 0.2 41.0 — 27.8

Sources: U.S. Census Bureau, American Community Survey 5-year estimates · United Nations, World Population Prospects, 2013 – 2024

Ranking · Regions of Florida

2015 · Place 1 is the highest value.

Year: 2024 2023 2022 2021 2020 2019 2018 2017 2016 2015 2014 2013
Highest first Lowest first A–Z
#TerritoryMedian age
1 Sumter County 65.3
2 Charlotte County 57.3
3 Citrus County 55.4
4 Sarasota County 54.0
5 Highlands County 52.1
6 Martin County 50.7
7 Indian River County 50.7
8 Flagler County 49.6
9 Hernando County 48.7
10 Collier County 48.5
11 Marion County 48.2
12 Pinellas County 47.1
13 Lee County 46.9
14 Dixie County 46.9
15 Monroe County 46.8
16 Manatee County 46.7
17 Brevard County 46.6
18 Levy County 46.6
19 Lake County 46.4
20 Volusia County 46.3
21 Jefferson County 45.3
22 Glades County 45.3
23 Pasco County 44.4
24 Nassau County 44.2
25 Putnam County 44.1
…
27 St. Lucie County 43.9
28 Walton County 43.6
29 Gulf County 43.3
30 St. Johns County 42.7
31 Holmes County 42.1
32 Franklin County 42.1
33 Gilchrist County 42.0
…

Source: U.S. Census Bureau, American Community Survey 5-year estimates, 2015

What it means

The age that splits residents into two equal halves — a quick read on whether a place is young or ageing.

How it is calculated

Half the residents are younger and half are older than this age, from census or population estimates by age.