ZIP Codes of Powell County, MT

Population & People
Population & People
Total Population
7,219
Household Income
Household Income
Median Income
$79,694
Housing
Housing
Total Housing Units
3,046
Business & Economy
Business & Economy
Total Businesses
177
Employment
Employment
Employment Rate
40.87%
Education
Education
Bachelor's Degree+
19.69%
Source: U.S. Census ACS 2024 5-Year Estimates · rolled up across the 7 ZIPs in this county.
Data Last Updated: June 1, 2026
ZIP Codes:7 ZIP Codes (5 Standard, 2 PO Box, 0 Unique) [See All]
Area Code:406
Timezone:Mountain (GMT -07:00)
Local Time:2:12:54 PM
Population:7,219 [See All]
FIPS:30077
Land Area:1,646 sq mi
Water Area:6 sq mi
Coordinates:46.6560, -112.7857
Quick Link:
https://www.zip-codes.com/county/mt-powell.asp
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Montana's #29 most populous county
7,219 residents across 7 ZIPs — #29 of 56 Montana counties.

Standout ZIPs in this County


Most Populous
Deer Lodge · 5,732 people
79.4% of county total
Highest Income
Avon · $98,750 median
1.2× county average
Largest Land Area
Deer Lodge · 329.0 sq mi
Spans the most ground
Fastest Growth
Deer Lodge · 0.6% (10-yr)
5,696 → 5,732 residents
Most Educated
Deer Lodge · 17.9% bachelor's+
842 of 4,696 adults 25+

Things worth knowing about Powell County


7,219 residents live across 7 ZIPs covering 1,646 sq mi, served by 7 distinct USPS-recognized cities.

Population moved from 7,266 to 7,219 from 2014 to 2024 — a -0.6% change. 3 ZIPs gained residents, 4 lost.

The county's wealthiest ZIP 59713 (Avon, $98,750 median) and poorest ZIP 59722 (Deer Lodge, $62,230) are 21.3 miles apart — a 1.6× income gap across local geography.

Median home values vary 2.1× across this county — from $279,000 in 59722 (Deer Lodge) to $583,300 in 59854 (Ovando).

Density varies 27× across the county — from 1 people/sq mi in 59854 (Ovando) to 17 in 59722 (Deer Lodge).

Educational attainment ranges from 5.3% bachelor's+ in 59733 (Gold Creek) to 40.3% in 59713 (Avon) — the breadth of educational profiles across the area.

Within Montana, this is the #29 most populous of 56 counties and ranks #10 for median household income .

Weighted by population, the typical household earns about $66,494 across the county — reflecting what a typical resident sees, not a simple ZIP average.

19.7% of adults age 25+ hold a bachelor's degree or higher (1,126 of 5,720 reporting).

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

Stories about Powell 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
1,646
square miles
Avg density
4.4
people per sq mi
Population
7,219
across 7 ZIPs
Deer Lodge
329.0 sq mi
5,732 residents
Helmville
313.3 sq mi
251 residents
Ovando
302.6 sq mi
195 residents

Single-ZIP anchor

One ZIP holds the majority of this county's population — a sign of a county built around a single city or town.

Deer Lodge

All ZIP Codes in Powell County


ZIPCityTypePopulationMedian IncomeArea (sq mi)10-yr Growth
59722Deer LodgeStandard5,732$62,230329.00.6%
59728EllistonPO Box394$78,750185.9-18.6%
59713AvonPO Box253$98,750159.644.6%
59843HelmvilleStandard251$88,125313.3-20.8%
59731GarrisonStandard198$90,000175.659.7%
59733Gold CreekStandard196$65,833179.7-17.3%
59854OvandoStandard195$74,167302.6-16.3%

Adjacent & Nearby Counties