• county
  • FIPS 30093
  • Largest town: Butte-Silver Bow

Silver Bow County, Montana

Silver Bow County had 36,134 residents in the Census Vintage 2024 estimate, on 718.0 square miles of land. It ranks 8th of 56 in Montana by population and 56th by land area.

Population
36,134
#8 of 56 in Montana · #1,290 in US
Area
718.0 sq mi
#56 of 56 in Montana · #1,252 in US
Density
50 / sq mi
#2 of 56 in Montana · #1,461 in US
Median household income
$58,406
#31 of 56 in Montana · #1,993 in US

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

Silver Bow County within Montana. Pin: Helena.

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Silver Bow County population, land area and income

Silver Bow County had 36,134 residents in the Census Vintage 2024 estimate, on 718.0 square miles of land. It ranks 8th of 56 in Montana by population and 56th by land area. That works out to 50.3 people per square mile, below the US average of 96.3, and above the national county median.

The median county-equivalent in Montana has 7,814 residents, so Silver Bow County is 4.6 times that size.

Its SAIPE 2023 median household income of $58,406 is below the national county median among 3,143 counties with an estimate.

National rank among 3,144

Population

36,134

3144th1st

1290th of 3,144 (US)

Land area

718 sq mi

3144th1st

1252nd of 3,144 (US)

Density

50.3 / sq mi

3144th1st

1461st of 3,144 (US)

Median household income

$58,406

3143rd1st

1993rd of 3,143 (US)

Rank within Montana (56)

Population

36,134

56th1st

8th of 56 (MT)

Land area

718 sq mi

56th1st

56th of 56 (MT)

Density

50.3 / sq mi

56th1st

2nd of 56 (MT)

Median household income

$58,406

56th1st

31st of 56 (MT)

How Silver Bow County's population changed since 2020

Silver Bow County gained 924 residents between the July 2020 and July 2024 estimates, a rise of 2.6%. That ranks 29th 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, Silver Bow County recorded 1,323 births and 2,113 deaths, a natural change of -790. Net international migration added +212 and net domestic migration, people moving to or from other US counties, came to +1,551. The largest single component was domestic migration, which added 1,551 people.

35.2k202035.5k202135.9k202236.2k202336.1k2024
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
1,323
Deaths
2,113
Net international migration
+212
Net domestic migration
+1,551
Change, July 2023 to July 2024
-59

Where Silver Bow County is

The Census internal point of Silver Bow County is at 45.896200, -112.660100. 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 Silver Bow County outlined. Dots are towns of 1,000+ people with residents in it.

Liberty County: -1.2%Golden Valley County: +5.1%Dawson County: -2.1%Flathead County: +9.2%Beaverhead County: +6.7%Prairie County: +2.0%Garfield County: +0.9%Lewis and Clark County: +5.5%Sweet Grass County: +2.4%Wheatland County: -0.7%Ravalli County: +8.5%Jefferson County: +9.6%Carter County: -0.6%Chouteau County: -0.6%Custer County: +0.9%Teton County: +3.1%Granite County: +9.0%Deer Lodge County: +4.1%Cascade County: +0.1%Powder River County: +2.4%Meagher County: +7.3%Daniels County: -1.7%Glacier County: -1.8%Wibaux County: -2.7%Fallon County: -2.7%McCone County: -0.7%Sheridan County: -2.5%Missoula County: +3.5%Toole County: +3.7%Sanders County: +11.5%Roosevelt County: -5.6%Rosebud County: -1.3%Treasure County: -2.5%Yellowstone County: +3.9%Blaine County: -1.4%Musselshell County: +14.8%Broadwater County: +21.0%Powell County: +2.6%Fergus County: +3.4%Phillips County: +0.1%Gallatin County: +6.2%Silver Bow County: +2.6%Madison County: +12.6%Richland County: -4.4%Lake County: +6.9%Valley County: -1.7%Judith Basin County: +4.3%Hill County: -1.2%Big Horn County: -2.2%Stillwater County: +5.0%Carbon County: +9.4%Mineral County: +13.7%Petroleum County: +4.6%Pondera County: +3.4%Park County: +4.9%Lincoln County: +12.4%
Change 2020 to 2024
  1. < -1.4%
  2. < +0.9%
  3. < +3.9%
  4. < +7.3%
  5. ≥ +7.3%
no data

Orange pin: Silver Bow County internal point. Dark pin: Helena.

Internal point

Decimal
45.896200, -112.660100
DMS
45°53'46.32"N 112°39'36.36"W
UTM
12N 371215.0E 5083854.6N
Geohash
c2pvh75kt
Plus code
85Q9V8WQ+FX

Towns in Silver Bow County

One incorporated place of 1,000+ people has residents in Silver Bow County, 35,480 people together, or 98% of the county. Each figure counts only the part of the town inside Silver Bow County; towns marked "part" extend into another county. The largest is Butte-Silver Bow with 35,480.

  1. 01Butte-Silver Bow35,480
Census Vintage 2024 subcounty estimates, county parts of incorporated places (SUMLEV 157).

Counties bordering Silver Bow County

The Census 2024 county adjacency file lists 4 neighbors for Silver Bow County. The most populous is Jefferson County, MT, with 13,304 residents. Distances run between Census internal points in a straight line.

Distance to Helena and the nearest big city

Helena is 56.7 miles NNE of Silver Bow County's internal point in a straight line. The nearest place of 100,000 or more is Billings, MT (population 121,483), 197.8 miles away. The nearest place of 10,000 or more is Butte-Silver Bow, MT (population 35,480), 0.0 miles away.

Silver Bow County FIPS code

The FIPS code of Silver Bow County is 30093: state code 30 for Montana plus county code 093. Use it as text, with the leading zero, when joining Census, BLS, or CDC county tables. SAIPE lists its 2023 median household income as $58,406.

Questions people ask

What is the population of Silver Bow County, Montana?

The Census Vintage 2024 estimate for July 1, 2024 is 36,134. That is up 924 people (2.6%) from the July 2020 estimate of 35,210.

What is the FIPS code of Silver Bow County?

30093. The first two digits (30) are Montana; the last three (093) identify the county.

What is the largest town in Silver Bow County?

Butte-Silver Bow, with 35,480 residents inside Silver Bow County in 2024.

Which counties border Silver Bow County?

4 county-equivalents border it in the Census 2024 adjacency file: Jefferson County, MT; Beaverhead County, MT; Deer Lodge County, MT; Madison 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.