City in Lee County, Florida · 16.2 sq mi · 389 people per sq mi
6,300 people live in Sanibel. The typical household earns $108,644, and the median resident is 67.3 years old.
2026 projection
From 6,382 in 2020
Poverty rate 11.6%
Men 68.4 · Women 64.7
1980–2026
6,300
2026 projection
1.3% since 2020 (decrease)
Source: U.S. Census Bureau decennial counts and annual estimates, including 2010–2020 intercensal estimates. 2026 is a projection. Values between recorded years are interpolated.
Use the left and right arrow keys to inspect population observations.
1980–2026
6,300
2026 projection
1.3% since 2020 (decrease)
Source: U.S. Census Bureau decennial counts and annual estimates, including 2010–2020 intercensal estimates. 2026 is a projection. Values between recorded years are interpolated.
Use the left and right arrow keys to inspect population observations.
| 2026 | 6,300 | -3 | 0.05% |
|---|---|---|---|
| 2025 | 6,303 | -75 | 1.18% |
| 2024 | 6,378 | -57 | 0.89% |
| 2023 | 6,435 | -107 | 1.64% |
| 2022 | 6,542 | +99 | 1.54% |
| 2021 | 6,443 | +61 | 0.96% |
| 2020 | 6,382 | -63 | 0.98% |
| 2019 | 6,445 | -103 | 1.57% |
| 2018 | 6,548 | -81 | 1.22% |
| 2017 | 6,629 | -9 | 0.14% |
Showing 10 of 20 years.
The 2020 row compares the April 1 Census count with the July 1, 2019 estimate (about nine months). Its Growth and Annual change therefore do not represent a full year.
Sanibel has a population change lower than Lee County, Florida, and the U.S.
Change from July 1, 2020 to July 1, 2025 population estimates—not annualized growth or site projections.
Source: U.S. Census Bureau. U.S. totals are summed from the 50 states and D.C.; unavailable comparisons are omitted.
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101
Each square is about 1% of residents (roughly 64 people).
Hispanic or Latino residents can be of any race. All other groups exclude Hispanic residents.
U.S. Census Bureau, 2024 ACS 5-year estimates · Table B03002
Half of households earn more, half earn less
Typical yearly pay for a worker 25 or older.
About 1 in 9 residents
74% of residents age 15 and older are married.
| Status | Overall | Male | Female |
|---|---|---|---|
| Married | 74% | 80% | 69% |
| Never married | 9% | 7% | 11% |
| Divorced | 8% | 7% | 8% |
| Widowed | 9% | 5% | 12% |
| Separated | <1% | 2% | <1% |
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201
14 sources