Thursday, October 22 Marathon
Towns Advertise
The Beachside Resident
Search Log in Add your business Ask a question
  1. Home
  2. Marathon
  3. Statistics
  4. People
  5. Population
People Statistics · City

Population in Marathon

2010 – 2025 · 16 data points 133 of 243 · Towns of Florida Updated Oct 22, 2026
People · Marathon Monroe County Florida United States

Source: U.S. Census Bureau, Population Estimates Program, 2010 – 2025

Featured spot available Your business could be here First in “Statistics” — with a photo and a “Featured” mark. Take this spot
Overview 7 figures People 21 figures Economy 20 figures Housing 8 figures Education 10 figures Tourism 3 figures Climate 8 figures
Latest value · 2025 10,060 −1.2% since 2024
Towns of Florida · 2025 133 of 243 Place 1 is the highest value.
since 2015 +10% +1.3% a year on average
share of Monroe County 12.5% Monroe County: 80,406 · 2025
Population, 2010 – 2025 people
+10% since 2015

Source: U.S. Census Bureau, Population Estimates Program, 2010 – 2025

Compared with Population · people
Marathon 10,060
Monroe County 80,406
Florida 23M
United States 342M
World 8.2B

Sources: U.S. Census Bureau, Population Estimates Program · World Bank — World Development Indicators

The series at a glance Marathon · 2010 – 2025
Latest value 10,060 · 2025
First value 8,339 · 2010
Highest 10,180 · 2024
Lowest 8,339 · 2010
Average change +1.3% a year on average
Data points 16

By year

All years · 2010 – 2025

YearMarathonChange Monroe CountyFloridaUnited StatesWorld
2025 10,060 −1.2% 80,406 23M 342M 8.2B
2024 10,180 +0.6% 82,015 23M 340M 8.1B
2023 10,115 +1.3% 82,695 23M 337M 8.1B
2022 9,985 +0.7% 82,696 22M 334M 8B
2021 9,920 +0.6% 82,261 22M 332M 7.9B
2020 9,863 +6.2% 82,851 22M 332M 7.9B
2019 9,288 +0.7% 82,155 21M — 7.8B
2018 9,225 −1.9% 81,728 21M — 7.7B
2017 9,408 +0.7% 83,029 21M — 7.6B
2016 9,347 +2.4% 82,549 21M — 7.5B
2015 9,129 +1.5% 81,444 20M — 7.4B
2014 8,990 +1.4% 80,147 20M — 7.4B
2013 8,862 +2.7% 78,780 20M — 7.3B
2012 8,633 +1.6% 76,606 19M — 7.2B
2011 8,494 +1.9% 75,103 19M — 7.1B
2010 8,339 73,448 19M — 7B

Sources: U.S. Census Bureau, Population Estimates Program · World Bank — World Development Indicators, 2010 – 2025

Ranking · Towns of Florida

2024 · Place 1 is the highest value.

Year: 2025 2024 2023 2022 2021 2020 2019 2018 2017 2016 2015 2014
Highest first Lowest first A–Z
#TerritoryPopulation
243 Otter Creek 114
242 Horseshoe Beach 172
241 Layton 212
240 Ebro 246
239 Sopchoppy 474
238 Laurel Hill 559
237 Sea Ranch Lakes 567
236 Bell 568
235 Jay 583
234 Yankeetown 633
233 Melbourne Village 681
232 Cedar Key 743
231 Shalimar 753
230 Jupiter Island 833
229 Bradenton Beach 928
228 Anna Maria 1,021
227 Golden Beach 1,025
226 Medley 1,083
225 Indian Shores 1,184
224 Mexico Beach 1,212
223 Bronson 1,267
222 Palm Beach Shores 1,357
221 Redington Beach 1,374
220 Baldwin 1,396
219 North Redington Beach 1,468
…
134 Dade City 9,609
133 Brooksville 9,973
132 Cape Canaveral 10,001
131 Marathon 10,180
130 Lighthouse Point 10,762
129 Milton 11,252
128 Cocoa Beach 11,363
…

Source: U.S. Census Bureau, Population Estimates Program, 2024

What it means

How many people live here — residents, not visitors.

How it is calculated

Official count or estimate of residents for each year: a census plus births, deaths and moves since then. Estimates are revised when a new census comes out.