City in Clay County, Texas · 0.7 sq mi · 729 people per sq mi
About 540 people live in Petrolia. The typical household earns $63,750, and the median resident is 51.2 years old.
2026 projection
From 511 in 2020
Poverty rate 13.46%
Men 48.4 · Women 51.8
2010–2026
539
2026 projection
5.5% 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.
2010–2026
539
2026 projection
5.5% 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 | 539 | +5 | 0.94% |
|---|---|---|---|
| 2025 | 534 | 0 | 0.00% |
| 2024 | 534 | +2 | 0.38% |
| 2023 | 532 | +11 | 2.11% |
| 2022 | 521 | +8 | 1.56% |
| 2021 | 513 | +2 | 0.39% |
| 2020 | 511 | -155 | 23.27% |
| 2019 | 666 | -1 | 0.15% |
| 2018 | 667 | -4 | 0.60% |
| 2017 | 671 | +12 | 1.82% |
Showing 10 of 17 years.
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101
Each square is about 1% of residents (roughly 4 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 7 residents
54% of residents age 15 and older are married.
| Status | Overall | Male | Female |
|---|---|---|---|
| Married | 54% | 60% | 49% |
| Never married | 14% | 18% | 11% |
| Divorced | 14% | 9% | 20% |
| Widowed | 15% | 13% | 17% |
| Separated | 2% | 0% | 4% |
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201
10 sources, all from the U.S. Census Bureau