# Petroleum, Montana — #51 of 3,144 counties

> Liberty Moving composite score 7.83 of 10. FIPS 30069. Population 554. v4 — beta, 30 October 2026, sourced values.

About 554 people live in Petroleum, Montana. It ranks #51 of 3,144 counties for liberty, and #23 of 56 in Montana. There is no state or county sales tax, lower than in 96% of counties. Property tax takes about 0.57% of a home's value each year, less than in 69% of counties. Local government employs a larger share of working residents than in almost every other county. Air quality is better than in 89% of counties (a typical day's air quality index is 31), and flood and hurricane risk is lower than in 98% of counties. On this site's state scores, Montana gets 6.79 of 10 for economic freedom, based on the Fraser Institute's ranking, and 10 of 10 for gun rights.

## Scores

| Factor | Level | Score (0–10) | Flag |
|---|---|---|---|
| Fraser Institute state ranking | state | 6.79 |  |
| 2A | state | 10.00 |  |
| Air quality | county | 6.88 |  |
| GOP + LP vote for President | county | 8.80 |  |
| Homicide rate | county | 8.28 | est |
| Sales tax | county | 10.00 |  |
| Property tax | county | 7.15 |  |
| Floods / hurricanes | county | 9.80 |  |
| Life expectancy | county | 7.33 | est |
| Government employees | county | 0.07 |  |
| Single-parent households | county | 9.95 |  |

"est" marks a derived or placeholder value with no published county figure.

## Neighbors

- #7 Garfield, Montana — https://libertymoving.org/counties/30033.md
- #791 Rosebud, Montana — https://libertymoving.org/counties/30087.md
- #41 Musselshell, Montana — https://libertymoving.org/counties/30065.md
- #67 Fergus, Montana — https://libertymoving.org/counties/30027.md
- #11 Phillips, Montana — https://libertymoving.org/counties/30071.md

## Links

- Page: https://libertymoving.org/counties/30069
- Compare: https://libertymoving.org/compare?a=30069
- Methodology: https://libertymoving.org/methodology
- Sources and terms: https://libertymoving.org/privacy