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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 29, 2026

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

2019 · Place 1 is the highest value.

#TerritoryMedian age
386 St Leo 19.2
385 Eglin AFB 22.8
384 Goodland 26.6
383 University 27.2
382 Florida City 27.4
381 Fellsmere 27.7
380 Naranja 27.8
379 Wimauma 27.8
378 Mangonia Park 28.2
377 Immokalee 29.3
376 Indiantown 29.9
375 Bell 30.0
374 Valparaiso 30.3
373 Homestead 30.6
372 Gladeview 31.1
371 Cross City 31.4
370 Crestview 31.4
369 West Perrine 31.6
368 Baldwin 31.6
367 Williston 31.8
366 Hilliard 31.9
365 Gibsonton 31.9
364 Ferry Pass 32.0
363 Pembroke Park 32.4
362 Dover 32.6
…
150 Lake Helen 48.1
149 Largo 48.3
148 Bayonet Point 48.5
147 Marathon 48.5
146 Boca Raton 48.5
145 DeBary 48.8
144 Gulf Breeze 49.0
…

Source: U.S. Census Bureau, American Community Survey 5-year estimates, 2019

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.