City in Hidalgo County, Texas · 7.7 sq mi · 2,727 people per sq mi
About 21,000 people live in Alamo. The typical household earns $57,096, and the median resident is 29.2 years old.
2026 projection
From 19,655 in 2020
Poverty rate 25.33%
Men 29 · Women 29.5
1930–2026
20,866
2026 projection
6.2% since 2020 (increase)
Source: U.S. Census Bureau decennial counts and annual estimates. 2026 is a projection. Values between recorded years are interpolated.
Use the left and right arrow keys to inspect population observations.
1930–2026
20,866
2026 projection
6.2% since 2020 (increase)
Source: U.S. Census Bureau decennial counts and annual estimates. 2026 is a projection. Values between recorded years are interpolated.
Use the left and right arrow keys to inspect population observations.
| 2026 | 20,866 | +241 | 1.17% |
|---|---|---|---|
| 2025 | 20,625 | +5 | 0.02% |
| 2024 | 20,620 | +102 | 0.50% |
| 2023 | 20,518 | +220 | 1.08% |
| 2022 | 20,298 | +319 | 1.60% |
| 2021 | 19,979 | +324 | 1.65% |
| 2020 | 19,655 | -286 | 1.43% |
| 2019 | 19,941 | +246 | 1.25% |
| 2018 | 19,695 | +146 | 0.75% |
| 2017 | 19,549 | +54 | 0.28% |
Showing 10 of 25 years.
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101
Each square is about 1% of residents (roughly 203 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 4 residents
48% of residents age 15 and older are married.
| Status | Overall | Male | Female |
|---|---|---|---|
| Married | 48% | 54% | 43% |
| Never married | 35% | 35% | 36% |
| Divorced | 7% | 7% | 8% |
| Widowed | 6% | 3% | 9% |
| Separated | 3% | 1% | 5% |
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201
10 sources, all from the U.S. Census Bureau