Petroleum County, Montana
Petroleum County, Montana · ZIP 59032, 59058, 59072
- Census data · ACS 2019-2023
- 525 (2024 estimate)Population
- 200Households
- $59,318Median household income
- $173,700Median home value
- 1Towns with a page
- 4ZIP codes
Petroleum County in numbersOfficial sources, refreshed yearly
| Census | Population |
|---|---|
| 2000 | 493 |
| 2010 | 494 |
| 2020 | 496 |
As counted at each census, within the boundaries the area had then; the current estimate is in the glance card.
Sources: Census 2000 Summary File 1: total population, county level, state 30, retrieved November 14, 2026; Census 2010 Summary File 1: total population, county level, state 30, retrieved November 14, 2026; Census 2020 Redistricting Data (P.L. 94-171): total population, county level, state 30, retrieved November 14, 2026.
Median household income $59,318 · Share of households by income, American Community Survey 5-year 2019-2023, table S1901.
Source: American Community Survey 5-year subject table S1901 (household income) 2019–2023, county level, state 30, retrieved November 14, 2026.
- Owner occupied
- 154 units
- Renter occupied
- 46 units
- Vacancy rate
- 32.2%
Occupied housing units by tenure and the share of all units vacant, American Community Survey 5-year 2019-2023, table DP04.
Source: American Community Survey 5-year data profile 2019–2023, county level, state 30, retrieved November 14, 2026.
24 employees in 11 establishments with payroll in 2023, all sectors; employers themselves are not named in the source. County Business Patterns counts are published with noise.
Source: County Business Patterns 2023: employment by sector, county level, state 30, retrieved November 14, 2026.
| Measure | Petroleum County | Montana |
|---|---|---|
| Population | 401 | 1,105,072 |
| Median household income | $59,318 | $69,922 |
| Median age | 51.5 | 40.2 |
| Median home value | $173,700 | $338,100 |
| Bachelor’s degree or higher | 27.1% | 34.5% |
| Foreign-born residents | 1.0% | 2.3% |
| Owner-occupied homes | 77.0% | 69.4% |
| Mean commute to work | 14.2 minutes | 19.2 minutes |
Source: American Community Survey 5-year data profile 2019–2023, county level, state 30, retrieved November 14, 2026.
Townships, towns and villages in Petroleum County1 with a page · sort by any column
| Type | |||
|---|---|---|---|
| Winnett | Town | 197 | 1.02 sq mi |
Populations: Census Population Estimates, Vintage 2024: subcounty totals, state 30 (2024). Land areas: Census Gazetteer 2025: counties. A dash means the figure is not in the cited file.
County officialsFrom public records
No county official is published yet. Names appear once a researcher drafts them from the county’s own site and a second person approves; office contacts only, never personal details.
Across Petroleum County
No job is posted in Petroleum County’s towns yet. Employers post from their business dashboard; public job banks are added once their terms are recorded.
No upcoming event is listed in Petroleum County's towns yet. Members and businesses add events from any town page.
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Neighboring counties
Neighboring counties
- Fergus CountyPopulation 11,862 (2024 estimate)
- Garfield CountyPopulation 1,181 (2024 estimate)
- Musselshell CountyPopulation 5,452 (2024 estimate)
- Phillips CountyPopulation 4,214 (2024 estimate)
- Rosebud CountyPopulation 8,194 (2024 estimate)
Sources: Census county adjacency file 2024, retrieved November 14, 2026; Census Population Estimates, Vintage 2024: subcounty totals, state 30, retrieved November 14, 2026.