Signature · 100.0% low-access (98th pct)

Petroleum County, MT

Petroleum County sits in the upper national band on low-access (100.0%, +77.9 pts vs U.S.), with SNAP/vehicle context from ACS 2024.

100.0%
low-access pop.
0
food-desert tracts
0.5%
on SNAP
447
residents (ACS 2024)
USDA FARA 2019 Census ACS 2024 MT

USDA FARA access plate

County Petroleum County, MT

LA-SEVERE · ABOVE-NATIONAL · LILA-NONE · SNAP-LIGHT · VEH-NA · DENSITY-CLEAR

  • LA-SEVERE 100.0% low-access
  • ABOVE-NATIONAL +77.9 pts vs US
  • LILA-NONE 0 food-desert tracts
  • SNAP-LIGHT 0.5% SNAP
  • VEH-NA Vehicle n/a
  • DENSITY-CLEAR 0% tracts LILA

Nearest low-access peer: Carter County (+ 0.0 pts)

Upper-band low-access

Petroleum County sits in the upper national band (100.0%, #38 of 3,079).

#38
national by low-access %
#4
in MT
1
low-access tracts
146
food-desert residents

Upper-band counties often pair elevated low-access with clustered LILA tracts. Low access = >1 mile urban / >10 miles rural.

Signature read: 100.0% low-access (98th pct) (+77.9 pts vs U.S. low-access).

How Petroleum County compares nationally

Petroleum County sits among the nation's most food-access-constrained counties: its 100.0% low-access share outpaces 98% of the 3,133 U.S. counties with USDA data, ranking #49 most-affected nationwide.

lower low-accesshigher low-access

Petroleum County's elevated USDA tier split

1 census tracts grouped by USDA classification .

Food access tier distribution for Petroleum County, MT USDA-defined food-access tiers: 0 census tracts adequate (within distance threshold), 1 limited, 0 severe (low-income low-access food desert). Total 1 tracts evaluated. 1 tracts limited (100.0%) Adequate 0% Limited 100% Severe 0% Food-access tier distribution: Petroleum County, MT
Source: USDA Economic Research Service, Food Access Research Atlas 2019

By USDA urbanicity classification, Petroleum County has 0 urban and 1 rural census tracts. The 1-mile (urban) vs 10-mile (rural) distance threshold above applies per tract, so a county's access rate reflects this mix.

Petroleum County vs nearby high low-access peers

Poles + nearest peers in Montana, not a full county-board reprint

% low-access
Source USDA Economic Research Service, Food Access Research Atlas As of 2019 edition

FARA 2019 · elevated low-access

USDA Food Access Research Atlas 2019 indicators for Petroleum County
IndicatorValue
Census Tracts1
Atlas Population (2010 basis)494
Low-Access Tracts1
Food-Desert Tracts (low-income & low-access)0
Low-Access Population494
Low-Access Share100.0%well above the national average
Low-Income & Low-Access Population146

ACS 2024 · lower SNAP band

Census ACS 2024 demographic and SNAP data for Petroleum County
IndicatorValue
Population447
Median Household Income$60,208
Poverty Rate8.1%well below the national average
SNAP Households1
SNAP Participation Rate0.5%well below the national average

Slim SNAP store book in Petroleum County

Petroleum County has 1 store currently authorized to accept SNAP (EBT) benefits, across 1 store category. Every authorized retailer here is a medium grocery store.

Medium Grocery Store · 1

  • the breaks general store, inc., winnett

Source: USDA SNAP Retailer Locator (currently authorized stores, a live third population, not the 2019 Atlas or ACS 2024 snapshot above).

Other Counties in Montana

One of 55 counties in Montana, 6 are shown here.

Compare Petroleum County vs Beaverhead County → · All Montana counties →

Petroleum County inside a higher low-access state context

Petroleum County sits inside Montana (ringed). Each state is colored by population-weighted low-access; click any state to compare.

USDA Economic Research Service, Food Access Research Atlas (2019), population-weighted · Census ACS 2024 context

Read with this county

Sources: USDA Economic Research Service, Food Access Research Atlas (2019) · U.S. Census Bureau, American Community Survey, 2024 5-Year Estimates · methodology · compiled .

PlainFoodAccess renders this county profile directly from the USDA Food Access Research Atlas (2019) and U.S. Census Bureau American Community Survey (2024 5-year estimates), no number is typed in by an editor. Figures for Petroleum County, MT are computed from the joined Atlas and ACS records for FIPS 30069. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of 2026-06-23. Primary sources: USDA Food Access Research Atlas and Census ACS 5-year estimates.

Note: This page presents public USDA and Census data for informational purposes and is not professional advice. Figures reflect the cited dataset vintages and may differ from the most recent local conditions. How this data is sourced & verified.