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People Statistics · City estimate

Median age in Stock Island

2013 – 2024 · 12 data points 361 of 391 · Towns of Florida Updated Nov 7, 2026

Source: U.S. Census Bureau, American Community Survey 5-year estimates, 2013 – 2024

Median age, 2013 – 2024 years · Stock Island · Monroe County · Florida · United States · World
−8.1 since 2014
Stock Island Monroe 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
Stock Island
34.5
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 Stock Island · 2013 – 2024
Latest value 34.5 · 2024
First value 35.5 · 2013
Highest 42.9 · 2015
Lowest 34.5 · 2024
Data points 12

By year

All years · 2013 – 2024

YearStock Island±Change Monroe CountyFloridaUnited StatesWorld
2024estimate 34.5 2.1 −0.7 49.2 42.6 38.9 —
2023estimate 35.2 1.6 +0.6 48.9 42.6 38.7 30.4
2022estimate 34.6 1.9 −1.2 48.3 42.4 38.5 30.1
2021estimate 35.8 2.0 +0.8 48.0 42.3 38.4 29.8
2020estimate 35.0 2.7 −2.8 47.9 42.2 — 29.6
2019estimate 37.8 3.9 −2.5 47.7 42.0 — 29.3
2018estimate 40.3 5.5 +0.4 47.3 41.9 — 29.0
2017estimate 39.9 5.8 −2.8 46.7 41.8 — 28.8
2016estimate 42.7 4.1 −0.2 46.7 41.6 — 28.5
2015estimate 42.9 5.4 +0.3 46.8 41.4 — 28.3
2014estimate 42.6 6.0 +7.1 46.7 41.2 — 28.1
2013estimate 35.5 7.1 46.5 41.0 — 27.8

Sources: U.S. Census Bureau, American Community Survey 5-year estimates · United Nations, World Population Prospects, 2013 – 2024

Ranking · Towns of Florida

2020 · Place 1 is the highest value.

#TerritoryMedian age
126 Alva 51.0
39 Anna Maria 64.3
124 Apalachicola 51.2
206 Apollo Beach 43.7
152 Atlantic Beach 48.6
45 Atlantis 61.9
204 Ave Maria 44.1
132 Aventura 50.3
293 Bagdad 39.4
101 Bal Harbour 53.8
333 Baldwin 36.5
317 Bay Harbor Islands 37.2
94 Bay Pines 54.9
138 Bayonet Point 50.0
193 Bayshore Gardens 45.2
385 Bell 28.4
362 Belle Glade 33.8
75 Belleair 57.4
74 Belleair Beach 57.5
50 Belleair Bluffs 61.2
218 Bellview 43.2
137 Beverly Hills 50.0
104 Big Pine Key 53.5
372 Biscayne Park 31.0
259 Bloomingdale 41.1
…
158 St. Augustine 48.0
219 St. Petersburg 43.1
7 Steinhatchee 70.6
352 Stock Island 35.0
139 Stuart 49.8
6 Sun City Center 71.0
134 Sunny Isles Beach 50.3
…

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.