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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 27, 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

2020 · 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 68.0
2 Charlotte County 59.5
3 Citrus County 56.7
4 Sarasota County 56.6
5 Highlands County 54.1
6 Indian River County 54.0
7 Martin County 52.7
8 Flagler County 51.8
9 Collier County 51.3
10 Manatee County 48.8
11 Lee County 48.8
12 Hernando County 48.8
13 Marion County 48.7
14 Pinellas County 48.4
15 Monroe County 47.9
16 Glades County 47.9
17 Jefferson County 47.3
18 Franklin County 47.3
19 Brevard County 47.2
20 Lake County 47.0
21 Levy County 47.0
22 Volusia County 46.5
23 Gulf County 46.3
24 Dixie County 46.2
25 Nassau County 45.8
…
29 Pasco County 44.5
30 Madison County 44.2
31 Walton County 44.1
32 St. Johns County 43.7
33 Suwannee County 43.5
34 Taylor County 43.2
35 Wakulla County 42.3
…

Source: U.S. Census Bureau, American Community Survey 5-year estimates, 2020

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.