• county
  • FIPS 30007
  • Largest town: Townsend

Broadwater County, Montana

Broadwater County had 8,302 residents in the Census Vintage 2024 estimate, on 1,192.4 square miles of land. It ranks 27th of 56 in Montana by population and 51st by land area.

Population
8,302
#27 of 56 in Montana · #2,553 in US
Area
1,192.4 sq mi
#51 of 56 in Montana · #514 in US
Density
7.0 / sq mi
#12 of 56 in Montana · #2,689 in US
Median household income
$72,933
#8 of 56 in Montana · #796 in US

Census Vintage 2024 estimates · SAIPE 2023 income · 2024 Gazetteer land area

Broadwater County within Montana. Pin: Helena.

Broadwater County population, land area and income

Broadwater County had 8,302 residents in the Census Vintage 2024 estimate, on 1,192.4 square miles of land. It ranks 27th of 56 in Montana by population and 51st by land area. That works out to 7.0 people per square mile, below the US average of 96.3, and in the bottom quarter nationally.

The median county-equivalent in Montana has 7,814 residents, about the same as Broadwater County.

Its SAIPE 2023 median household income of $72,933 is above the national county median among 3,143 counties with an estimate.

National rank among 3,144

Population

8,302

3144th1st

2553rd of 3,144 (US)

Land area

1,192 sq mi

3144th1st

514th of 3,144 (US)

Density

7.0 / sq mi

3144th1st

2689th of 3,144 (US)

Median household income

$72,933

3143rd1st

796th of 3,143 (US)

Rank within Montana (56)

Population

8,302

56th1st

27th of 56 (MT)

Land area

1,192 sq mi

56th1st

51st of 56 (MT)

Density

7.0 / sq mi

56th1st

12th of 56 (MT)

Median household income

$72,933

56th1st

8th of 56 (MT)

How Broadwater County's population changed since 2020

Broadwater County gained 1,439 residents between the July 2020 and July 2024 estimates, a rise of 21.0%. That ranks 1st of 56 in Montana for growth. The median Montana county changed by +2.8%, and the state as a whole by +4.6%.

Since the April 2020 estimates base, Broadwater County recorded 335 births and 284 deaths, a natural change of +51. Net international migration added +4 and net domestic migration, people moving to or from other US counties, came to +1,477. The largest single component was domestic migration, which added 1,477 people.

6,86320207,32720217,78720228,06320238,3022024
Census Vintage 2024 county estimates for July 1 of each year. The axis starts above zero so year-to-year changes are visible.

Components of change, April 2020 to July 2024

Births
335
Deaths
284
Net international migration
+4
Net domestic migration
+1,477
Change, July 2023 to July 2024
+239

Where Broadwater County is

The Census internal point of Broadwater County is at 46.329800, -111.497900. It sits in UTM zone 12N. The map shades Montana's 56 county-equivalents by population change from 2020 to 2024, darker for faster growth, with Broadwater County outlined. Dots are towns of 1,000+ people with residents in it.

Towns in Broadwater County

One incorporated place of 1,000+ people has residents in Broadwater County, 2,209 people together, or 27% of the county. Each figure counts only the part of the town inside Broadwater County; towns marked "part" extend into another county. The largest is Townsend with 2,209.

  1. 01Townsend2,209
Census Vintage 2024 subcounty estimates, county parts of incorporated places (SUMLEV 157).

Counties bordering Broadwater County

The Census 2024 county adjacency file lists 4 neighbors for Broadwater County. The most populous is Gallatin County, MT, with 126,984 residents. Distances run between Census internal points in a straight line.

Distance to Helena and the nearest big city

Helena is 30.4 miles NW of Broadwater County's internal point in a straight line. The nearest place of 100,000 or more is Billings, MT (population 121,483), 146.1 miles away. The nearest place of 10,000 or more is Helena, MT (population 34,729), 31.0 miles away.

Broadwater County FIPS code

The FIPS code of Broadwater County is 30007: state code 30 for Montana plus county code 007. Use it as text, with the leading zero, when joining Census, BLS, or CDC county tables. SAIPE lists its 2023 median household income as $72,933.

Questions people ask

What is the population of Broadwater County, Montana?

The Census Vintage 2024 estimate for July 1, 2024 is 8,302. That is up 1,439 people (21.0%) from the July 2020 estimate of 6,863.

What is the FIPS code of Broadwater County?

30007. The first two digits (30) are Montana; the last three (007) identify the county.

What is the largest town in Broadwater County?

Townsend, with 2,209 residents inside Broadwater County in 2024.

Which counties border Broadwater County?

4 county-equivalents border it in the Census 2024 adjacency file: Gallatin County, MT; Lewis and Clark County, MT; Jefferson County, MT; Meagher County, MT.

Sources and data as of

Data as of: Census Vintage 2024 population estimates, 2024 Gazetteer land area and internal points, SAIPE 2023 median household income.

  1. 01Census Vintage 2024 county population estimates
  2. 02Census 2024 Gazetteer, counties
  3. 03Census SAIPE 2023 state and county estimates
  4. 04Census Vintage 2024 subcounty population estimates
  5. 05Census 2024 county adjacency file
  6. 06Census 2024 cartographic boundary file, counties (1:5,000,000)

How every number is computed: methodology. Spotted a wrong figure? Report an error.