City in Hidalgo County, Texas · 3.6 sq mi · 1,083 people per sq mi
About 3,900 people live in Sullivan City. The typical household earns $44,464, and the median resident is 33.7 years old.
2026 projection
From 3,909 in 2020
Poverty rate 32.09%
Men 36 · Women 33.4
2000–2026
3,887
2026 projection
0.6% since 2020 (decrease)
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.
2000–2026
3,887
2026 projection
0.6% since 2020 (decrease)
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 | 3,887 | -4 | 0.10% |
|---|---|---|---|
| 2025 | 3,891 | -3 | 0.08% |
| 2024 | 3,894 | -9 | 0.23% |
| 2023 | 3,903 | -3 | 0.08% |
| 2022 | 3,906 | +18 | 0.46% |
| 2021 | 3,888 | -21 | 0.54% |
| 2020 | 3,909 | -281 | 6.71% |
| 2019 | 4,190 | +8 | 0.19% |
| 2018 | 4,182 | -2 | 0.05% |
| 2017 | 4,184 | -5 | 0.12% |
Showing 10 of 18 years.
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101
Each square is about 1% of residents (roughly 39 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 3 residents
51% of residents age 15 and older are married.
| Status | Overall | Male | Female |
|---|---|---|---|
| Married | 51% | 49% | 54% |
| Never married | 36% | 41% | 30% |
| Divorced | 3% | 1% | 5% |
| Widowed | 7% | 6% | 10% |
| Separated | 3% | 3% | 2% |
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201
10 sources, all from the U.S. Census Bureau