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People
Statistics · City
estimate
Average household size in Marathon
2013 – 2024 · 12 data points
169 of 391 · Towns of Florida
Updated Oct 22, 2026
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
2.45per household
−0.01
since 2023 ± 0.15 · margin of error
Towns of Florida · 2024
169 of 391
Place 1 is the highest value.
since 2014
−0.25
vs Monroe County
+0.12
Monroe County: 2.33 · 2024
Average household size, 2013 – 2024 people per household · Marathon · Monroe County · Florida · United States
−0.25 since 2014
2
2.25
2.50
2.75
3
2013
2016
2018
2020
2024
Marathon
Monroe County
Florida
United States
Source: U.S. Census Bureau, American Community Survey 5-year estimates, 2013 – 2024
Compared with Average household size · people per household
Source: U.S. Census Bureau, American Community Survey 5-year estimates
The series at a glance Marathon · 2013 – 2024
Latest value
2.45 · 2024
First value
2.60 · 2013
Highest
2.75 · 2015
Lowest
2.24 · 2020
Data points
12
By year
All years · 2013 – 2024
| Year | Marathon | ± | Change | Monroe County | Florida | United States |
|---|---|---|---|---|---|---|
| 2024estimate | 2.45 | 0.15 | −0.01 | 2.33 | 2.51 | 2.53 |
| 2023estimate | 2.46 | 0.16 | ±0.00 | 2.32 | 2.51 | 2.54 |
| 2022estimate | 2.46 | 0.15 | +0.06 | 2.34 | 2.53 | 2.57 |
| 2021estimate | 2.40 | 0.17 | +0.16 | 2.39 | 2.57 | 2.60 |
| 2020estimate | 2.24 | 0.16 | −0.04 | 2.23 | 2.62 | — |
| 2019estimate | 2.28 | 0.14 | −0.06 | 2.30 | 2.65 | — |
| 2018estimate | 2.34 | 0.15 | −0.12 | 2.39 | 2.65 | — |
| 2017estimate | 2.46 | 0.15 | −0.18 | 2.47 | 2.64 | — |
| 2016estimate | 2.64 | 0.18 | −0.11 | 2.53 | 2.64 | — |
| 2015estimate | 2.75 | 0.18 | +0.05 | 2.55 | 2.63 | — |
| 2014estimate | 2.70 | 0.21 | +0.10 | 2.57 | 2.62 | — |
| 2013estimate | 2.60 | 0.17 | 2.54 | 2.61 | — |
Source: U.S. Census Bureau, American Community Survey 5-year estimates, 2013 – 2024
Ranking · Towns of Florida
2020 · Place 1 is the highest value.
| # | Territory | Average household size | |
|---|---|---|---|
| 1 | Immokalee | 4.55 | |
| 2 | Fellsmere | 4.49 | |
| 3 | Canal Point | 4.42 | |
| 4 | St Leo | 4.30 | |
| 5 | Wimauma | 4.11 | |
| 6 | Southwest Ranches | 3.91 | |
| 7 | Florida City | 3.88 | |
| 8 | Indiantown | 3.72 | |
| 9 | Lehigh Acres | 3.65 | |
| 10 | Princeton | 3.64 | |
| 11 | Naranja | 3.63 | |
| 12 | De Leon Springs | 3.58 | |
| 13 | Hurlburt Field | 3.57 | |
| 14 | Tice | 3.57 | |
| 15 | The Hammocks | 3.55 | |
| 16 | Homestead | 3.53 | |
| 17 | Miami Gardens | 3.53 | |
| 18 | Haverhill | 3.53 | |
| 19 | South Bay | 3.52 | |
| 20 | West Park | 3.51 | |
| 21 | West Perrine | 3.47 | |
| 22 | Olympia Heights | 3.45 | |
| 23 | Pierson | 3.43 | |
| 24 | Biscayne Park | 3.42 | |
| 25 | The Acreage | 3.37 | |
| … | |||
| 270 | Destin | 2.25 | |
| 271 | Port St Joe | 2.25 | |
| 272 | Gulf Breeze | 2.24 | |
| 273 | Marathon | 2.24 | |
| 274 | Bayonet Point | 2.23 | |
| 275 | Masaryktown | 2.23 | |
| 276 | Ferry Pass | 2.23 | |
| … |
Source: U.S. Census Bureau, American Community Survey 5-year estimates, 2020
What it means
How many people share an average home.
How it is calculated
Residents of households divided by the number of households.
People
Marathon in numbers
Population
10,060
2025
Population growth
0.52%
2025 · United States
Population density
460
2025
Median age
45.6
2024
Children under 15
15.7%
2024 · Florida
Children under 18
20.7%
2024
Residents 65 and over
20.8%
2024
Life expectancy
77.9
2022 · Florida
Births per woman
1.63
2024 · United States
Birth rate
10.6
2024 · United States
Infant mortality
5.5
2024 · United States
Net migration
3.9
2023 · United States