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People Statistics · City estimate

Median age in Marathon

2013 – 2024 · 12 data points 186 of 391 · Towns of Florida Updated Oct 25, 2026
People · Marathon Monroe County Florida United States

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

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Overview 7 figures People 21 figures Economy 20 figures Housing 8 figures Education 10 figures Tourism 3 figures Climate 8 figures
Latest value · 2024 45.6years ±0.0 since 2023 ± 3.9 · margin of error
Towns of Florida · 2024 186 of 391 Place 1 is the highest value.
since 2014 +4.7
vs Monroe County −3.6 Monroe County: 49.2 · 2024
Median age, 2013 – 2024 years · Marathon · Monroe County · Florida · United States · World
+4.7 since 2014
Marathon 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
Marathon
45.6
Monroe County
49.2
Florida
42.6
United States
38.9
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 Marathon · 2013 – 2024
Latest value 45.6 · 2024
First value 41.3 · 2013
Highest 48.9 · 2021
Lowest 40.9 · 2014
Data points 12

By year

All years · 2013 – 2024

YearMarathon±Change Monroe CountyFloridaUnited StatesWorld
2024estimate 45.6 3.9 ±0.0 49.2 42.6 38.9 —
2023estimate 45.6 3.7 −1.6 48.9 42.6 38.7 30.4
2022estimate 47.2 4.1 −1.7 48.3 42.4 38.5 30.1
2021estimate 48.9 2.5 +1.2 48.0 42.3 38.4 29.8
2020estimate 47.7 2.9 −0.8 47.9 42.2 — 29.6
2019estimate 48.5 1.8 +1.1 47.7 42.0 — 29.3
2018estimate 47.4 2.9 +3.9 47.3 41.9 — 29.0
2017estimate 43.5 4.4 +1.8 46.7 41.8 — 28.8
2016estimate 41.7 3.4 −0.3 46.7 41.6 — 28.5
2015estimate 42.0 3.9 +1.1 46.8 41.4 — 28.3
2014estimate 40.9 2.9 −0.4 46.7 41.2 — 28.1
2013estimate 41.3 2.8 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

2015 · Place 1 is the highest value.

Year: 2024 2023 2022 2021 2020 2019 2018 2017 2016 2015 2014 2013
Highest first Lowest first A–Z
#TerritoryMedian age
1 Sun City Center 72.8
2 Hutchinson Island South 71.9
3 Indian River Shores 71.6
4 Manasota Key 71.5
5 Longboat Key 70.8
6 South Pasadena 70.2
7 Zephyrhills West 69.7
8 Wabasso Beach 69.7
9 Homosassa 69.3
10 South Palm Beach 68.4
11 The Meadows 68.2
12 Palm Beach 67.6
13 Venice 67.4
14 South Beach 66.7
15 Citrus Hills 66.5
16 Sanibel 66.1
17 Hillsboro Beach 66.1
18 Fort Myers Beach 66.0
19 Daytona Beach Shores 65.8
20 Matlacha 65.7
21 Layton 65.7
22 Jupiter Island 65.6
23 Micco 65.4
24 Punta Gorda 65.3
25 Naples 65.2
…
232 St. Petersburg 42.2
233 Port St Joe 42.2
234 Lutz 42.1
235 Marathon 42.0
236 Jay 42.0
237 Hollywood 41.9
238 Carrollwood 41.9
…

Source: U.S. Census Bureau, American Community Survey 5-year estimates, 2015

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.