Harper is a CDP located in Gillespie County, Texas. Harper has a 2026 population of 1,201. Harper is currently growing at a rate of 0.08% 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 Harper is 34.6 years: 32.6 years for males, and 39.9 years for females. For every 100 females there are 174.7 males.
Data after 2023 is projected based on recent change
Overall: 34.6 years
Female: 39.9 years
Male: 32.6 years
There are 855 adults, (215 of whom are seniors) in Harper.
Female: 442 (36.4%)
Male: 772 (63.6%)
The racial composition of Harper includes 64.42% White, 4.78% other race, and smaller percentages for and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 782 | 64.42% |
| Two or more races | 374 | 30.81% |
| Other race | 58 | 4.78% |