Property research by county

Montana county reference

56 counties and county equivalents in Montana. Search names or FIPS codes, compare Census geography and keep the original sources with your work.

• Beaverhead County

  Montana · FIPS 30001

  10,043 residents · 2025 estimate

• Big Horn County

  Montana · FIPS 30003

  12,752 residents · 2025 estimate

• Blaine County

  Montana · FIPS 30005

  6,860 residents · 2025 estimate

• Broadwater County

  Montana · FIPS 30007

  8,493 residents · 2025 estimate

• Carbon County

  Montana · FIPS 30009

  11,466 residents · 2025 estimate

• Carter County

  Montana · FIPS 30011

  1,383 residents · 2025 estimate

• Cascade County

  Montana · FIPS 30013

  85,029 residents · 2025 estimate

• Chouteau County

  Montana · FIPS 30015

  5,865 residents · 2025 estimate

• Custer County

  Montana · FIPS 30017

  12,034 residents · 2025 estimate

• Daniels County

  Montana · FIPS 30019

  1,612 residents · 2025 estimate

• Dawson County

  Montana · FIPS 30021

  8,692 residents · 2025 estimate

• Deer Lodge County

  Montana · FIPS 30023

  9,709 residents · 2025 estimate

• Fallon County

  Montana · FIPS 30025

  2,959 residents · 2025 estimate

• Fergus County

  Montana · FIPS 30027

  11,825 residents · 2025 estimate

• Flathead County

  Montana · FIPS 30029

  115,429 residents · 2025 estimate

• Gallatin County

  Montana · FIPS 30031

  128,740 residents · 2025 estimate

• Garfield County

  Montana · FIPS 30033

  1,148 residents · 2025 estimate

• Glacier County

  Montana · FIPS 30035

  13,463 residents · 2025 estimate

• Golden Valley County

  Montana · FIPS 30037

  844 residents · 2025 estimate

• Granite County

  Montana · FIPS 30039

  3,658 residents · 2025 estimate

• Hill County

  Montana · FIPS 30041

  16,167 residents · 2025 estimate

• Jefferson County

  Montana · FIPS 30043

  13,329 residents · 2025 estimate

• Judith Basin County

  Montana · FIPS 30045

  2,162 residents · 2025 estimate

• Lake County

  Montana · FIPS 30047

  33,392 residents · 2025 estimate

• Lewis and Clark County

  Montana · FIPS 30049

  75,331 residents · 2025 estimate

• Liberty County

  Montana · FIPS 30051

  1,957 residents · 2025 estimate

• Lincoln County

  Montana · FIPS 30053

  22,328 residents · 2025 estimate

• Madison County

  Montana · FIPS 30057

  10,026 residents · 2025 estimate

• McCone County

  Montana · FIPS 30055

  1,720 residents · 2025 estimate

• Meagher County

  Montana · FIPS 30059

  2,137 residents · 2025 estimate

• Mineral County

  Montana · FIPS 30061

  5,185 residents · 2025 estimate

• Missoula County

  Montana · FIPS 30063

  123,513 residents · 2025 estimate

• Musselshell County

  Montana · FIPS 30065

  5,582 residents · 2025 estimate

• Park County

  Montana · FIPS 30067

  18,214 residents · 2025 estimate

• Petroleum County

  Montana · FIPS 30069

  548 residents · 2025 estimate

• Phillips County

  Montana · FIPS 30071

  4,203 residents · 2025 estimate

• Pondera County

  Montana · FIPS 30073

  6,072 residents · 2025 estimate

• Powder River County

  Montana · FIPS 30075

  1,781 residents · 2025 estimate

• Powell County

  Montana · FIPS 30077

  7,157 residents · 2025 estimate

• Prairie County

  Montana · FIPS 30079

  1,112 residents · 2025 estimate

• Ravalli County

  Montana · FIPS 30081

  48,582 residents · 2025 estimate

• Richland County

  Montana · FIPS 30083

  11,377 residents · 2025 estimate

• Roosevelt County

  Montana · FIPS 30085

  10,242 residents · 2025 estimate

• Rosebud County

  Montana · FIPS 30087

  8,253 residents · 2025 estimate

• Sanders County

  Montana · FIPS 30089

  14,062 residents · 2025 estimate

• Sheridan County

  Montana · FIPS 30091

  3,436 residents · 2025 estimate

• Silver Bow County

  Montana · FIPS 30093

  36,118 residents · 2025 estimate

• Stillwater County

  Montana · FIPS 30095

  9,445 residents · 2025 estimate

• Sweet Grass County

  Montana · FIPS 30097

  3,762 residents · 2025 estimate

• Teton County

  Montana · FIPS 30099

  6,496 residents · 2025 estimate

• Toole County

  Montana · FIPS 30101

  5,211 residents · 2025 estimate

• Treasure County

  Montana · FIPS 30103

  728 residents · 2025 estimate

• Valley County

  Montana · FIPS 30105

  7,385 residents · 2025 estimate

• Wheatland County

  Montana · FIPS 30107

  2,100 residents · 2025 estimate

• Wibaux County

  Montana · FIPS 30109

  885 residents · 2025 estimate

• Yellowstone County

  Montana · FIPS 30111

  172,692 residents · 2025 estimate

Use the county data

Use the county name and FIPS code to identify the correct jurisdiction before collecting parcel, assessor, recorder or court information. Compare this national reference with the separate property-data coverage directory.

National geographic coverage does not mean that parcel records or probate feeds are connected for every county.

Geography: 2025 U.S. Census Gazetteer. Population: Vintage 2025 estimates, July 1, 2025. County equivalents include parishes, boroughs, independent cities and planning regions. Puerto Rico population is not supplied by this population file.