Seco Mines is a CDP located in Maverick County, Texas. Seco Mines has a 2026 population of 1,137. Seco Mines is currently growing at a rate of 3.27% annually and its population has decreased by 0% since the most recent census, which recorded a population of 0 in 2020.
The median age in Seco Mines is 51.5 years: 22.3 years for males, and 76.1 years for females. For every 100 females there are 220.4 males.
Data after 2023 is projected based on recent change
Overall: 51.5 years
Female: 76.1 years
Male: 22.3 years
There are 585 adults, (156 of whom are seniors) in Seco Mines.
Female: 201 (31.2%)
Male: 443 (68.8%)
The racial composition of Seco Mines includes 24.22% White, and smaller percentages for and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| Two or more races | 488 | 75.78% |
| White | 156 | 24.22% |