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Jury Pool Profile

Petroleum County, Montana

Republican +76.3 (2024)
County seat
Winnett
Judicial district
10th Judicial District Court
Population (July 2025 estimate)
548
Census PEP. The five-year ACS survey average is 447.

At a glance

Petroleum County is a 548-person venue. The county population is 99% White (Census race-alone categories). Median household income is $56,394, $19,126 below the MT state median of $75,520; 30.8% of residents 25 and over hold a bachelor's degree or higher. The largest employment sector is Education & health services, at 27.9% of covered employment, average pay $33,303/year. Trailing-12-month unemployment is 4.75%, above the 3.48% state average. The county carried the Republican presidential candidate in 2016, 2020, and 2024, taking 85% to 88% of the vote across the three.

Population
447
Median household income
$60,208
Unemployment
4.8%

Who sits on a jury?

Predominantly White

≥70% White (race-alone) and <20% Black. This county: 99% / 0%.

Petroleum County has a population of 447, with a median age of 51.6. By Census race-alone categories, White residents make up 98.9%; Black residents 0.0%.

The median household earns $56,394; 30.8% of residents 25 and over hold a bachelor's degree or higher; 14.5% live below the federal poverty line.

Race & ethnicity
  • White (non-Hispanic) 442 98.9%
  • Hispanic or Latino (any race) 0 0.0%
  • Black or African American (non-Hispanic) 0 0.0%
  • Asian (non-Hispanic) 3 0.7%
  • Two or more races (non-Hispanic) 0 0.0%
  • American Indian / Alaska Native (non-Hispanic) 2 0.4%
  • Native Hawaiian / Pacific Islander (non-Hispanic) 0 0.0%
  • Some other race (non-Hispanic) 0 0.0%

U.S. Census ACS 2024

Age distribution

Median age 51.6

  • Under 18 66 14.8%
  • 18–24 24 5.4%
  • 25–44 85 19.0%
  • 45–64 146 32.7%
  • 65 and over 126 28.2%

U.S. Census ACS 2024

Income & poverty
Median household income
$56,394
90% interval $49,586–$63,202
−$19,126 vs MT · 49th of 56
Below poverty line
14.5%
90% interval 10.6%–18.4%
+4.1 pp vs MT · 19th of 56

U.S. Census SAIPE 2024

Economic context

Healthcare & education anchored

BLS QCEW 'Education & health services' is ≥20% of total covered employment. This county: 27.9%.

Education & health services is the largest employment sector at 27.9% of covered employment, followed by Public administration at 24.0%. Trailing-12-month unemployment is 4.75%, above the Montana state average.

Local economy
Unemployment (12-mo)
4.8%
+1.27 pp vs. state
County GDP
$22.7M
0.03% of state
Avg. annual pay
$36,848
Establishments
25

U.S. BLS 2026M07 · U.S. BEA 2024 · BLS QCEW 2025

Top employment sectors

Average annual employment by supersector

  • Education & health services 29 27.9%
  • Public administration 25 24.0%
  • Trade, transportation & utilities 2 1.9%
  • Construction 2 1.9%

The sectors listed cover 55.8% of covered employment; BLS withholds the rest to avoid disclosing individual employers.

BLS QCEW 2025

Housing
Home ownership
72.9%
+3.7 pp vs MT · 25th of 56
Median gross rent
$800
−$281 vs MT · 31st of 56
Owner-occupied
161
Renter-occupied
60

U.S. Census ACS 2024

Local economy in 3 reads
  • Diversified

    Top three sectors employ 54% of the workforce, a relatively diversified local economy. Expect mixed employer backgrounds on the panel rather than concentration in any one institution or industry.

  • Moderate wage spread

    Highest-paid sector (Construction, $95,256/yr) pays 3.3× the lowest (Public administration, $28,578/yr). Expect meaningful income variation across the panel.

  • Small-business scale

    Average establishment employs only 4.2 workers, a small-business-dominated local economy. Expect more self-employed and small-business-owner panelists than in institutional-employer venues.

BLS QCEW 2025

Political composition

Consistently strongly Republican

Republican candidate carried this county in 2016, 2020, and 2024 (avg winning share: 86%). 'Strongly' threshold: ≥60% avg.

Petroleum County was carried by the Republican candidate in the 2016, 2020, and 2024 cycles, with 87.7% in 2024, 84.9% in 2020, 86.5% in 2016.

Presidential results

2024 presidential · 324 votes cast

  • Republican
  • Democratic
Presidential vote share by year
YearRepublicanDemocratic
201686.5%9.4%
202084.9%11.1%
202487.7%11.4%
  • Republican 284 87.7%
  • Democratic 37 11.4%
  • Other / third-party 3 0.9%

Election results 2024

Languages, households, faith & health

Family-majority, English-speaking

Family households are 62% of all households (thresholds: ≥70% = 'family-dominant'; 50–70% = 'family-majority'; <50% = 'singles/nonfamily-majority'). 0.0% of residents 5 and older speak a language other than English at home (threshold for 'linguistically diverse' is ≥10%).

0.0% of residents 5 years and older speak a language other than English at home. Veterans account for 16.3% of the adult civilian population (62 individuals).

Household composition
Households
221
Family households
136
61.5% of households
Married couples w/ children
36
26.5% of families
Single-mother families
3
2.2% of families
Veterans
62
16.3% of civilians 18+

U.S. Census ACS 2024

Religious composition

7.5% overall adherence rate

  • Catholic 25 5.0%
  • Mainline Protestant 12 2.4%

US Religion Census 2020

Health & education
Health insured
93.3%
±4.8 pp — too imprecise at this sample size to compare
With a disability
6.7%
±4.3 pp — too imprecise at this sample size to compare
Bachelor's or higher
30.8%
±8.7 pp
−4.4 pp vs MT · 16th of 56
Uninsured, under 65 (2024)
9.1%
90% interval 8.0%–10.2% · Census SAHIE

The under-65 uninsured rate is not comparable to the ACS insurance figures, which cover all ages.

U.S. Census ACS 2024

Court infrastructure

Court infrastructure
Trial court
10th Judicial District Court
Judges
1 (District Court judges per district (general civil + criminal jurisdiction); Justice Court judges (limited jurisdiction) separate. Vintage 2026 courts.mt.gov; counts cross-checked against MCA § 3-5-102 statutory allocations. Several single-judge rural districts (5th, 9th, 10th, 12th, 14th, 15th, 16th, 17th, 19th, 20th, 21st, 22nd) carry one District Court judgeship each.)
Court seats
Lewistown, Stanford, Winnett

This judicial district spans multiple counties.

Court reference
Traffic safety context

Petroleum totals, 2024 — the per-100k rate is based on 0 recorded deaths, too few to be statistically reliable

Traffic fatalities
0
0 per 100k adults (18+)
Fatal crashes
0

NHTSA FARS 2024

About this profile

This profile aggregates publicly available U.S. government statistics for Petroleum County, Montana to give trial attorneys venue context for jury selection. It describes the general population of the county, not the qualified jury wheel, and is not legal advice or a substitute for the court's juror records.

Sources as of: U.S. Census ACS 2024 · U.S. BLS 2026M07 · U.S. BEA 2024 · BLS QCEW 2025 · Election results 2024 · NHTSA FARS 2024 · US Religion Census 2020.

Data sources