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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

2018 · Place 1 is the highest value.

#TerritoryMedian age
67 Leon County 30.7
66 Alachua County 31.3
65 Hendry County 33.9
64 Orange County 34.9
63 Hardee County 35.1
62 Osceola County 35.8
61 Duval County 36.1
60 Okaloosa County 36.8
59 Hillsborough County 36.9
58 Escambia County 37.2
57 Baker County 37.6
56 Lafayette County 39.1
55 Seminole County 39.2
54 Bay County 39.4
53 Union County 39.5
52 Clay County 39.5
51 Santa Rosa County 39.7
50 Miami-Dade County 39.7
49 Broward County 40.1
48 Bradford County 40.1
47 Calhoun County 40.2
46 Polk County 40.3
45 Liberty County 40.3
44 DeSoto County 40.6
43 Wakulla County 40.7
…
34 Holmes County 42.5
33 Gilchrist County 42.5
32 Madison County 42.9
31 St. Johns County 43.4
30 Walton County 43.7
29 Gulf County 44.3
28 Pasco County 44.6
…

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.