Every ZIP code in the United States, with weather, radar, trivia and the numbers behind it. Five digits since 1963!

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zipcodes.pro — STATE/MT/COUNTY/BROADWATER

Broadwater County, MT ZIP codes

Broadwater County, MT has 4 ZIP codes, in 4 towns: 59644, 59643, 59647 and 59641. 1 more crosses into it from a neighbouring county: 59752.

The county seat is Townsend.

ZIP codes
4
Partly in it
1 more
Towns
4
County seat
Townsend
County FIPS
30007
State
Montana
Population
7,668
Median household income
$70,374
Land area
1,192 sq mi
Metro area
Helena

Broadwater County ZIP codes by town

Townsend (county seat)
59644

Each ZIP code is listed under the county most of its land lies in and the town the Postal Service names it for; a ZIP code's own page shows exactly how it is split.

ZIP codes partly in Broadwater County

This ZIP code lies mostly in a neighbouring county but covers a twentieth or more of Broadwater County.

Map of Broadwater County ZIP codes

59641596435964459647

The ZIP codes of Broadwater County, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.

Broadwater County in numbers

About 7,668 people live in Broadwater County, in 2,822 households, the 28th most populous of Montana's 56 counties. The median household income is $70,374 a year, about the same as the Montana median of $72,509 (US: $80,734). The median owner-occupied home is valued at $426,600 (14% above the Montana median), and median gross rent is $955 a month. The median age is 45.9; 27.3% of adults 25 and over hold a bachelor's degree or higher (35.2% across Montana); the average commute takes 29 minutes.

Population7,668Broadwater7,668
Households2,822Broadwater2,822
Median age45.9Broadwater45.9Montana40.4US 38.9
Median household income$70,374Broadwater$70,374Montana$72,509US $80,734
Median home value$426,600Broadwater$426,600Montana$375,800US $332,700
Median gross rent$955Broadwater$955Montana$1,081US $1,413
Bachelor's degree or higher27.3%Broadwater27.3%Montana35.2%US 35.7%
Mean commute29.3 minBroadwater29.3 minMontana19.1 minUS 26.4 min
Population density6 / sq miBroadwater6 / sq mi

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates. Survey estimates carry margins of error, wider for small places. Sources and methods.

Largest towns in Broadwater County

Largest towns in Broadwater County
TownZIP codesPopulation
Townsend 1 1,967
Toston 1 368
Winston 1 81
Radersburg 1 35

Population of the census place of that name where there is one, otherwise of the ZIP codes the Postal Service addresses by it. A town's ZIP codes can reach past the county line.

Neighbouring counties

Counties that share a ZIP code with Broadwater County.

Not sure you are in Broadwater County? What county am I in? answers from your location, near a county line included.

Every ZIP code in Broadwater County, with figures

ZIP codes in Broadwater County
ZIP City Type Population Median income Median home
59641 Radersburg , MT No street area — — —
59643 Toston , MT Standard 867 $49,831 $355,000
59644 Townsend , MT Standard 4,187 $68,811 $361,500
59647 Winston , MT Standard 358 — $337,300

Cite this page

zipcodes.pro. “Broadwater County ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/state/mt/county/broadwater

Underlying data is public domain or openly licensed — sources, vintages and licences.