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People
Statistics · Area
estimate
Average household size in St. Lucie County
2013 – 2024 · 12 data points
16 of 67 · Regions of Florida
Updated Oct 23, 2026
Source: U.S. Census Bureau, American Community Survey 5-year estimates, 2013 – 2024
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Overview
6 figures
People
21 figures
Economy
20 figures
Housing
8 figures
Education
10 figures
Tourism
3 figures
Climate
3 figures
Latest value · 2024
2.60per household
±0.00
since 2023 ± 0.03 · margin of error
Regions of Florida · 2024
16 of 67
Place 1 is the highest value.
since 2014
−0.02
vs Florida
+0.09
Florida: 2.51 · 2024
Average household size, 2013 – 2024 people per household · St. Lucie County · Florida · United States
−0.02 since 2014
2.50
2.60
2.70
2.80
2013
2016
2018
2020
2024
St. Lucie 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 St. Lucie County · 2013 – 2024
Latest value
2.60 · 2024
First value
2.62 · 2013
Highest
2.70 · 2019
Lowest
2.60 · 2023
Data points
12
By year
All years · 2013 – 2024
| Year | St. Lucie County | ± | Change | Florida | United States |
|---|---|---|---|---|---|
| 2024estimate | 2.60 | 0.03 | ±0.00 | 2.51 | 2.53 |
| 2023estimate | 2.60 | 0.02 | −0.02 | 2.51 | 2.54 |
| 2022estimate | 2.62 | 0.02 | −0.01 | 2.53 | 2.57 |
| 2021estimate | 2.63 | 0.03 | −0.05 | 2.57 | 2.60 |
| 2020estimate | 2.68 | 0.03 | −0.02 | 2.62 | — |
| 2019estimate | 2.70 | 0.03 | +0.02 | 2.65 | — |
| 2018estimate | 2.68 | 0.04 | −0.01 | 2.65 | — |
| 2017estimate | 2.69 | 0.04 | +0.02 | 2.64 | — |
| 2016estimate | 2.67 | 0.04 | +0.03 | 2.64 | — |
| 2015estimate | 2.64 | 0.04 | +0.02 | 2.63 | — |
| 2014estimate | 2.62 | 0.03 | ±0.00 | 2.62 | — |
| 2013estimate | 2.62 | 0.03 | 2.61 | — |
Source: U.S. Census Bureau, American Community Survey 5-year estimates, 2013 – 2024
Ranking · Regions of Florida
2024 · Place 1 is the highest value.
| # | Territory | Average household size | |
|---|---|---|---|
| 67 | Sumter County | 1.93 | |
| 66 | Gulf County | 2.11 | |
| 65 | Sarasota County | 2.13 | |
| 64 | Charlotte County | 2.17 | |
| 63 | Pinellas County | 2.20 | |
| 62 | Franklin County | 2.21 | |
| 61 | Highlands County | 2.22 | |
| 60 | Citrus County | 2.24 | |
| 59 | Leon County | 2.27 | |
| 58 | Alachua County | 2.28 | |
| 57 | Volusia County | 2.33 | |
| 56 | Indian River County | 2.33 | |
| 55 | Bay County | 2.33 | |
| 54 | Monroe County | 2.33 | |
| 53 | Martin County | 2.33 | |
| 52 | Madison County | 2.34 | |
| 51 | Putnam County | 2.35 | |
| 50 | Gadsden County | 2.36 | |
| 49 | Taylor County | 2.37 | |
| 48 | Collier County | 2.37 | |
| 47 | Walton County | 2.37 | |
| 46 | Marion County | 2.37 | |
| 45 | Escambia County | 2.38 | |
| 44 | Jackson County | 2.38 | |
| 43 | Flagler County | 2.39 | |
| … | |||
| 19 | Wakulla County | 2.55 | |
| 18 | Pasco County | 2.56 | |
| 17 | Hillsborough County | 2.56 | |
| 16 | St. Lucie County | 2.60 | |
| 15 | Broward County | 2.60 | |
| 14 | Bradford County | 2.60 | |
| 13 | Union County | 2.60 | |
| … |
Source: U.S. Census Bureau, American Community Survey 5-year estimates, 2024
What it means
How many people share an average home.
How it is calculated
Residents of households divided by the number of households.
People
Statistics: St. Lucie County
Population
402K
2025
Population growth
0.52%
2025 · United States
Population density
272
2025
Median age
45.1
2024
Children under 15
15.7%
2024 · Florida
Children under 18
19.7%
2024
Residents 65 and over
24.6%
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