Borough in Butler County, Pennsylvania · 0.4 sq mi · 428 people per sq mi
About 170 people live in Petrolia. The typical household earns $56,250, and the median resident is 50 years old.
2026 projection
From 179 in 2020
Poverty rate 8.6%
Men 47.4 · Women 53.5
2010–2026
169
2026 projection
5.6% 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.
2010–2026
169
2026 projection
5.6% 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 | 169 | -2 | 1.17% |
|---|---|---|---|
| 2025 | 171 | -2 | 1.16% |
| 2024 | 173 | -1 | 0.57% |
| 2023 | 174 | -1 | 0.57% |
| 2022 | 175 | -2 | 1.13% |
| 2021 | 177 | -2 | 1.12% |
| 2020 | 179 | -19 | 9.60% |
| 2019 | 198 | -2 | 1.00% |
| 2018 | 200 | -1 | 0.50% |
| 2017 | 201 | -1 | 0.50% |
Showing 10 of 17 years.
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101
Each square is about 1% of residents (roughly 2 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 12 residents
40% of residents age 15 and older are married.
| Status | Overall | Male | Female |
|---|---|---|---|
| Married | 40% | 40% | 40% |
| Never married | 19% | 18% | 19% |
| Divorced | 29% | 34% | 25% |
| Widowed | 8% | 4% | 12% |
| Separated | 4% | 5% | 3% |
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201
10 sources, all from the U.S. Census Bureau