City in Monroe County, Florida · 5.6 sq mi · 4,431 people per sq mi
24,809 people live in Key West. The typical household earns $87,037, and the median resident is 46.1 years old.
2026 projection
From 26,444 in 2020
Poverty rate 10.88%
Men 45.1 · Women 47.7
1840–2026
24,809
2026 projection
6.2% 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.
1840–2026
24,809
2026 projection
6.2% 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 | 24,809 | -190 | 0.76% |
|---|---|---|---|
| 2025 | 24,999 | -608 | 2.37% |
| 2024 | 25,607 | -161 | 0.62% |
| 2023 | 25,768 | -150 | 0.58% |
| 2022 | 25,918 | -87 | 0.33% |
| 2021 | 26,005 | -439 | 1.66% |
| 2020 | 26,444 | +17 | 0.06% |
| 2019 | 26,427 | -103 | 0.39% |
| 2018 | 26,530 | -410 | 1.52% |
| 2017 | 26,940 | +44 | 0.16% |
Showing 10 of 34 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.
Key West has a population change lower than Monroe 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 257 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
46% of residents age 15 and older are married.
| Status | Overall | Male | Female |
|---|---|---|---|
| Married | 46% | 45% | 47% |
| Never married | 31% | 35% | 26% |
| Divorced | 16% | 15% | 17% |
| Widowed | 6% | 4% | 9% |
| Separated | 2% | 2% | 1% |
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201
14 sources