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People
Statistics · City
estimate
Children under 18 in Marco Island
2013 – 2024 · 12 data points
354 of 391 · Towns of Florida
Updated Nov 7, 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
5.9%
−0.5 pp
since 2023
Towns of Florida · 2024
354 of 391
Place 1 is the highest value.
since 2014
−3.6 pp
vs Collier County
−10.4 pp
Collier County: 16.3% · 2024
Children under 18, 2013 – 2024 percent · Marco Island · Collier County · Florida · United States
−3.6 pp since 2014
0%
10%
20%
30%
2013
2016
2018
2020
2024
Marco Island
Collier County
Florida
United States
Source: U.S. Census Bureau, American Community Survey 5-year estimates, 2013 – 2024
Compared with Children under 18 · percent
Source: U.S. Census Bureau, American Community Survey 5-year estimates
The series at a glance Marco Island · 2013 – 2024
Latest value
5.9% · 2024
First value
9.7% · 2013
Highest
9.7% · 2013
Lowest
5.9% · 2024
Data points
12
By year
All years · 2013 – 2024
| Year | Marco Island | Change | Collier County | Florida | United States |
|---|---|---|---|---|---|
| 2024estimate | 5.9% | −0.5 pp | 16.3% | 19.5% | 22.0% |
| 2023estimate | 6.4% | −1.0 pp | 16.4% | 19.6% | 22.2% |
| 2022estimate | 7.4% | −0.0 pp | 16.7% | 19.6% | 22.1% |
| 2021estimate | 7.5% | +0.3 pp | 17.1% | 20.0% | 22.5% |
| 2020estimate | 7.2% | −1.1 pp | 17.1% | 19.9% | — |
| 2019estimate | 8.3% | +0.3 pp | 17.4% | 20.0% | — |
| 2018estimate | 8.0% | +0.1 pp | 17.7% | 20.1% | — |
| 2017estimate | 7.9% | −0.2 pp | 17.9% | 20.3% | — |
| 2016estimate | 8.2% | −0.7 pp | 18.2% | 20.4% | — |
| 2015estimate | 8.9% | −0.6 pp | 18.5% | 20.6% | — |
| 2014estimate | 9.5% | −0.1 pp | 18.8% | 20.8% | — |
| 2013estimate | 9.7% | 19.1% | 21.0% | — |
Source: U.S. Census Bureau, American Community Survey 5-year estimates, 2013 – 2024
Ranking · Towns of Florida
2022 · Place 1 is the highest value.
| # | Territory | Children under 18 | |
|---|---|---|---|
| 390 | Wabasso Beach | 0.0% | |
| 389 | Captiva | 0.0% | |
| 388 | Anna Maria | 0.2% | |
| 387 | Longboat Key | 0.4% | |
| 386 | Manasota Key | 0.9% | |
| 385 | Highland Beach | 0.9% | |
| 384 | Steinhatchee | 1.6% | |
| 383 | Hutchinson Island South | 1.6% | |
| 382 | Juno Beach | 1.9% | |
| 381 | Duck Key | 2.2% | |
| 380 | Sanibel | 2.4% | |
| 379 | South Palm Beach | 2.7% | |
| 378 | South Pasadena | 2.8% | |
| 377 | Daytona Beach Shores | 3.0% | |
| 376 | Treasure Island | 3.8% | |
| 375 | Madeira Beach | 4.2% | |
| 374 | Hillsboro Beach | 4.4% | |
| 373 | The Meadows | 4.6% | |
| 372 | Bradenton Beach | 4.6% | |
| 371 | Fort Myers Beach | 5.0% | |
| 370 | Ponce Inlet | 5.3% | |
| 369 | Redington Shores | 5.3% | |
| 368 | Venice | 5.4% | |
| 367 | Micco | 5.4% | |
| 366 | Butler Beach | 5.4% | |
| … | |||
| 348 | Siesta Key | 6.8% | |
| 347 | Cape Canaveral | 7.1% | |
| 346 | Navarre Beach | 7.1% | |
| 345 | Marco Island | 7.4% | |
| 344 | South Beach | 7.5% | |
| 343 | St. Augustine | 7.6% | |
| 342 | Citrus Hills | 7.8% | |
| … |
Source: U.S. Census Bureau, American Community Survey 5-year estimates, 2022
What it means
The share of residents who are children and teenagers.
How it is calculated
Residents under 18 divided by the total population.
People
Marco Island in numbers
Population
16,421
2025
Population growth
0.52%
2025 · United States
Population density
522
2025
Median age
67.9
2024
Children under 15
15.7%
2024 · Florida
Residents 65 and over
59.3%
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
Net domestic migration
-2,337
2025 · Collier County