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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 Nov 1, 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

2014 · Place 1 is the highest value.

#TerritoryMedian age
66 Alachua County 30.5
59 Baker County 36.3
47 Bay County 39.7
43 Bradford County 40.0
15 Brevard County 46.3
45 Broward County 39.8
51 Calhoun County 39.1
2 Charlotte County 56.9
3 Citrus County 55.0
54 Clay County 38.7
10 Collier County 48.0
39 Columbia County 40.4
50 DeSoto County 39.2
20 Dixie County 45.9
60 Duval County 35.9
55 Escambia County 37.2
8 Flagler County 48.9
32 Franklin County 41.5
42 Gadsden County 40.2
35 Gilchrist County 41.3
28 Glades County 43.1
29 Gulf County 43.0
41 Hamilton County 40.3
64 Hardee County 33.4
65 Hendry County 33.3
…
49 Santa Rosa County 39.4
4 Sarasota County 53.5
52 Seminole County 38.9
30 St. Johns County 42.6
26 St. Lucie County 43.3
1 Sumter County 64.5
34 Suwannee County 41.4
…

Source: U.S. Census Bureau, American Community Survey 5-year estimates, 2014

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.