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/HILL

Hill County, MT ZIP codes

There are 7 ZIP codes in Hill County, MT, in 7 towns, from 59501 to 59540. The largest are 59501 (Havre), 59521 (Box Elder) and 59525 (Gildford).

The county seat is Havre.

ZIP codes
7
Towns
7
County seat
Havre
County FIPS
30041
State
Montana
Population
16,155
Median household income
$52,798
Land area
2,899 sq mi

Hill County ZIP codes by town

Havre (county seat)
59501

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.

Map of Hill County ZIP codes

59501595215952559528595305953259540

The ZIP codes of Hill 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.

Hill County in numbers

About 16,155 people live in Hill County, in 6,206 households, the 12th most populous of Montana's 56 counties. The median household income is $52,798 a year, 27% below the Montana median of $72,509 (US: $80,734). The median owner-occupied home is valued at $202,600 (46% below the Montana median), and median gross rent is $776 a month. The median age is 34.5; 24.4% of adults 25 and over hold a bachelor's degree or higher (35.2% across Montana); the average commute takes 13 minutes.

Population16,155Hill16,155
Households6,206Hill6,206
Median age34.5Hill34.5Montana40.4US 38.9
Median household income$52,798Hill$52,798Montana$72,509US $80,734
Median home value$202,600Hill$202,600Montana$375,800US $332,700
Median gross rent$776Hill$776Montana$1,081US $1,413
Bachelor's degree or higher24.4%Hill24.4%Montana35.2%US 35.7%
Mean commute13.1 minHill13.1 minMontana19.1 minUS 26.4 min
Population density6 / sq miHill6 / 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 Hill County

Largest towns in Hill County
TownZIP codesPopulation
Havre 1 9,258
Rudyard 1 312
Gildford 1 217
Hingham 1 127
Box Elder 1 106
Kremlin 1 71
Inverness 1 39

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 Hill County.

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

Every ZIP code in Hill County, with figures

ZIP codes in Hill County
ZIP City Type Population Median income Median home
59501 Havre , MT Standard 12,243 $51,872 $218,100
59521 Box Elder , MT Standard 3,529 $50,288 $103,700
59525 Gildford , MT Standard 473 $48,438 $94,300
59528 Hingham , MT Standard 249 $89,375 $170,800
59530 Inverness , MT Standard 141 $61,875 $192,400
59532 Kremlin , MT Standard 97 $58,333 —
59540 Rudyard , MT Standard 430 $74,250 $131,300

Cite this page

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

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