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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

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

2024 · Place 1 is the highest value.

#TerritoryMedian age
67 Leon County 32.0
66 Alachua County 32.3
65 Hendry County 35.8
64 Hardee County 35.8
63 Orange County 36.6
62 Duval County 36.9
61 Osceola County 37.1
60 Okaloosa County 37.4
59 Hillsborough County 37.9
58 Escambia County 38.1
57 Baker County 38.1
56 Polk County 39.5
55 Union County 39.6
54 Liberty County 39.7
53 Seminole County 39.8
52 Santa Rosa County 40.1
51 Bradford County 40.2
50 Clay County 40.4
49 Columbia County 40.7
48 Miami-Dade County 40.7
47 Okeechobee County 40.8
46 Bay County 41.0
45 Hamilton County 41.2
44 Broward County 41.3
43 Washington County 41.7
…
33 Holmes County 43.7
32 Taylor County 43.9
31 Walton County 43.9
30 St. Johns County 44.2
29 Madison County 44.8
28 Putnam County 45.0
27 St. Lucie County 45.1
…

Source: U.S. Census Bureau, American Community Survey 5-year estimates, 2024

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.