ZIP Codes of Pondera County, MT

Population & People
Population & People
Total Population
6,547
Household Income
Household Income
Median Income
$57,134
Housing
Housing
Total Housing Units
2,976
Business & Economy
Business & Economy
Total Businesses
179
Employment
Employment
Employment Rate
56.86%
Education
Education
Bachelor's Degree+
20.71%
Source: U.S. Census ACS 2024 5-Year Estimates · rolled up across the 6 ZIPs in this county.
Data Last Updated: July 1, 2026
ZIP Codes:6 ZIP Codes (4 Standard, 2 PO Box, 0 Unique) [See All]
Area Code:406
Timezone:Mountain (GMT -07:00)
Local Time:11:54:12 PM
Population:6,547 [See All]
FIPS:30073
Land Area:2,247 sq mi
Water Area:39 sq mi
Coordinates:48.2068, -112.1561
Quick Link:
https://www.zip-codes.com/county/mt-pondera.asp
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Montana's #31 most populous county
6,547 residents across 6 ZIPs — #31 of 56 Montana counties.

Standout ZIPs in this County


Most Populous
Conrad · 3,717 people
56.8% of county total
Highest Income
Brady · $89,167 median
1.6× county average
Largest Land Area
Valier · 626.9 sq mi
Spans the most ground
Fastest Growth
Conrad · -0.4% (10-yr)
3,731 → 3,717 residents
Most Educated
Conrad · 23.3% bachelor's+
590 of 2,533 adults 25+

Things worth knowing about Pondera County


6,547 residents live across 6 ZIPs covering 2,247 sq mi, served by 6 distinct USPS-recognized cities.

Population moved from 6,557 to 6,547 from 2014 to 2024 — a -0.2% change. 2 ZIPs gained residents, 4 lost.

The county's wealthiest ZIP 59416 (Brady, $89,167 median) and poorest ZIP 59448 (Heart Butte, $32,083) are 60.1 miles apart — a 2.8× income gap across local geography.

Median home values vary 4.9× across this county — from $51,000 in 59448 (Heart Butte) to $250,000 in 59432 (Dupuyer).

Density varies across the county — from 1 people/sq mi in 59432 (Dupuyer) to 7 in 59425 (Conrad).

Educational attainment ranges from 10.8% bachelor's+ in 59448 (Heart Butte) to 25.0% in 59416 (Brady) — the breadth of educational profiles across the area.

Within Montana, this is the #31 most populous of 56 counties and ranks #47 for median household income .

Weighted by population, the typical household earns about $52,036 across the county — reflecting what a typical resident sees, not a simple ZIP average.

20.7% of adults age 25+ hold a bachelor's degree or higher (944 of 4,558 reporting).

4 Standard delivery, 2 PO Box only, 0 single-entity Unique ZIPs serve this county.

Stories about Pondera County


Big & sparse

A frontier county — vast land area with only a few residents per square mile. Daily life looks very different here than in the country's denser counties.

Total area
2,247
square miles
Avg density
2.9
people per sq mi
Population
6,547
across 6 ZIPs
Valier
626.9 sq mi
1,205 residents
Conrad
508.7 sq mi
3,717 residents
Ledger
381.3 sq mi
392 residents

All ZIP Codes in Pondera County


ZIPCityTypePopulationMedian IncomeArea (sq mi)10-yr Growth
59425ConradStandard3,717$49,805508.7-0.4%
59486ValierStandard1,205$56,875626.9-1.9%
59448Heart ButtePO Box638$32,083139.2-8.6%
59416BradyStandard425$89,167374.0-10.1%
59456LedgerStandard392$41,123381.317.7%
59432DupuyerPO Box170$73,750217.080.9%

Adjacent & Nearby Counties