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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

Source: U.S. Census Bureau, American Community Survey 5-year estimates, 2013 – 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
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

2018 · Place 1 is the highest value.

#TerritoryMedian age
1 Sumter County 67.0
2 Charlotte County 58.6
3 Citrus County 56.2
4 Sarasota County 55.5
5 Highlands County 53.4
6 Indian River County 52.9
7 Martin County 51.9
8 Flagler County 50.9
9 Collier County 50.3
10 Hernando County 48.9
11 Marion County 48.6
12 Lee County 48.1
13 Manatee County 48.0
14 Pinellas County 47.8
15 Monroe County 47.3
16 Dixie County 47.3
17 Brevard County 47.2
18 Jefferson County 47.2
19 Glades County 47.2
20 Lake County 46.8
21 Levy County 46.8
22 Volusia County 46.5
23 Putnam County 45.0
24 Nassau County 45.0
25 Franklin County 45.0
…
28 Pasco County 44.6
29 Gulf County 44.3
30 Walton County 43.7
31 St. Johns County 43.4
32 Madison County 42.9
33 Holmes County 42.5
34 Suwannee County 42.5
…

Source: U.S. Census Bureau, American Community Survey 5-year estimates, 2018

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.