County · Montana

Fergus County, Montana

Fergus County, Montana. Fergus County had 11,825 residents in 2025 by the Census Bureau's estimate, up 3.3% since 2020, slower than Montana (+5.6%). It holds 17 places (5 cities, villages and boroughs and 12 census-designated) and 3 census tracts. GEOID 30027.

Residents, July 2025 estimate

11,825

Census Bureau estimate (no margin published)
2020 Census count: 11,446 · ACS 2020-2024: 11,687

Median household income

$63,706

±$4,994 (90% margin)
Montana: $72,509

Median home value

$236,100

±$24,690 (90% margin)
Montana: $375,800

Median gross rent

$954

±$87 (90% margin)
Montana: $1,081

How many people live in Fergus County, and is it growing?

The 2020 Census counted 11,446 residents in Fergus County. The Census Bureau estimates 11,825 for July 1, 2025, up 3.3% since 2020, slower than Montana (+5.6%). The 2020-2024 American Community Survey puts the population at 11,687 over 4,339 square miles of land.

  • July 2020→2021 +145 (11,618)
  • 2021→2022 +44 (11,662)
  • 2022→2023 +151 (11,813)
  • 2023→2024 +13 (11,826)
  • 2024→2025 −1 (11,825)
Fergus County in Montana. Boundaries: Census Bureau 2024.
Counts, ACS 2020-2024 5-year estimates, with the change from 2015-2019
MeasureFergus CountyMontanaChange since 2015-2019
Total population11,6871,116,875+466
Households5,303±195458,859+391
Average household size2.12±0.082.37no clear change
Housing units6,012±61528,419+116

Fergus County's population since 2000

From 11,893 in 2000 to 11,825 in 2025: down 0.6%. The 2000, 2010 and 2020 figures are census counts. The 2005 figure is the Census Bureau's intercensal estimate, revised to fit the 2000 and 2010 counts and drawn on 2010 boundaries; 2015 and 2025 are July 1 estimates made from the census before them.

  • 2000 Census 11,893
  • 2005 (estimate) 11,444
  • 2010 Census 11,586
  • 2015 (estimate) 11,315
  • 2020 Census 11,446
  • 2025 (estimate) 11,825

Source: The 2000, 2010 and 2020 Census counts and the Census Bureau's population estimates (intercensal 2000-2010, Vintage 2020, Vintage 2025) · Census population estimates

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); PEP Vintage 2025 (CO-EST2025); 2020 Census · Check it at data.census.gov

What cities and towns are in Fergus County?

Fergus County holds 17 places: 5 cities, villages and boroughs (incorporated places) and 12 census-designated places. The largest is Lewistown with 6,179 residents (2025 estimate). Places that cross a county line are listed with the share of their 2020 residents who live in this county.

Places in Fergus County, ACS 2020-2024 5-year estimates. Ring: estimate with a coefficient of variation over 40%.
Lewistowncity5,9526,087±41$48,750$198,40020.9%100%
Lewistown HeightsGEOID 3043400CDP364488±181$89,931$314,3006.1%100%
Dentontown205193±63$56,667$157,8006.7%100%
Mooretown194224±88$49,792$183,00022.3%100%
WinifredGEOID 3081025town172263±87$78,393$120,0004.7%100%
Grass RangeGEOID 3032575town110125±43$20,000not published39.2%100%
RoyGEOID 3064675CDP96129±79$51,875not published36.5%100%
King Ranch ColonyGEOID 3040718CDP5738±33not publishednot published44.7%100%
Deerfield ColonyGEOID 3019800CDP4834±28not publishednot published69.6%100%
Spring Creek ColonyGEOID 3070000CDP3327±34not publishednot published59.3%100%
HilgerGEOID 3036325CDP240±11not publishednot published–100%
Coffee CreekGEOID 3016000CDP2261±82$85,833$276,7000.0%100%
Warm Spring CreekGEOID 3078143CDP1846±46not publishednot published30.4%100%
BrooksGEOID 3010150CDP180±11not publishednot published–100%
DanversGEOID 3019225CDP166±5not publishednot published0.0%100%
Ayers Ranch ColonyGEOID 3003196CDP128±12not publishednot published0.0%100%
Fords Creek ColonyGEOID 3027360CDP50±11not publishednot published–100%

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); 2020 place-by-county parts · Check it at data.census.gov

Who lives in Fergus County?

The median resident of Fergus County is 44.4 years old; 21.0% are under 18 and 25.1% are 65 or older. The largest group is non-Hispanic white residents at 92.4%, then Hispanic or Latino residents (of any race) at 2.4%. 2.2% of residents were born outside the United States.

Age, origin and education, ACS 2020-2024 5-year estimates. Race groups are non-Hispanic; Hispanic includes any race.
MeasureFergus CountyMontanaChange since 2015-2019
Median age44.4±0.840.4no clear change
Under 18 years21.0%21.0%–
65 years and over25.1%±0.5 pts20.1%–
Hispanic or Latino (any race)2.4%4.6%–
White alone, not Hispanic92.4%±0.4 pts83.6%−1.7 pts
Black or African American alone, not Hispanic0.6%±0.5 pts0.4%–
Asian alone, not Hispanic0.7%±0.5 pts0.8%–
American Indian and Alaska Native alone, not Hispanic2.1%±0.8 pts5.3%–
Native Hawaiian and Other Pacific Islander alone, not Hispanic0.0%±0.3 pts0.0%–
Two or more races, not Hispanic1.9%±0.6 pts4.7%–
Some other race alone, not Hispanic0.0%±0.3 pts0.5%–
Born outside the United States2.2%±1.2 pts2.3%no clear change
Speak a language other than English at home (age 5+)4.5%±1.5 pts4.2%–
Civilian veterans (age 18+)11.9%±1.7 pts9.0%–
With a disability14.6%±2.5 pts14.5%–
No health insurance coverage16.2%±3.2 pts8.6%+7.0 pts
High school graduate or higher (age 25+)95.1%±1.8 pts94.6%–
Bachelor's degree or higher (age 25+)24.0%±3.4 pts35.2%−5.1 pts
Graduate or professional degree (age 25+)5.7%±1.5 pts12.0%–
Moved from another state in the past year1.5%±0.7 pts3.7%–

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profiles DP02, DP05) · Check it at data.census.gov

What do households in Fergus County earn?

Half of Fergus County's 5,303 households earn less than $63,706 a year (±$4,994), against $72,509 in Montana. In 2015-2019 it was $62,199 in 2024 dollars; the margins of error cannot tell the two periods apart. 15.1% of residents live below the poverty line.

Income and poverty in 2024 dollars, ACS 2020-2024 5-year estimates
MeasureFergus CountyMontanaChange since 2015-2019
Median household income$63,706±$4,994$72,509no clear change
Mean household income$77,592±$4,891$98,908–
Per capita income$35,574±$2,143$41,711no clear change
People below the poverty line15.1%±3.7 pts11.5%no clear change
Children under 18 below the poverty line27.8%±11.7 pts12.7%no clear change
Households receiving SNAP7.3%±2.2 pts7.8%–
Households with a broadband subscription85.6%±2.7 pts89.4%–

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov

What does housing cost in Fergus County?

Owners occupy 63.4% of Fergus County's occupied homes and renters 36.6%. The median owner-occupied home is valued at $236,100 by its owner (±$24,690). The median renter pays $954 a month including utilities, and 29.9% of renters pay 35% or more of their income on rent.

Housing, ACS 2020-2024 5-year estimates
MeasureFergus CountyMontanaChange since 2015-2019
Median home value (owner-occupied)$236,100±$24,690$375,800+$60,111
Median gross rent$954±$87$1,081no clear change
Renters paying 35% or more of income on rent29.9%±8.6 pts35.5%no clear change
Median monthly owner costs, with a mortgage$1,299±$111$1,798–
Owner-occupied homes63.4%±4.5 pts69.2%−9.4 pts
Housing units6,012±61528,419+116
Homeowner vacancy rate2.3%±2.5 pts0.9%–
Rental vacancy rate2.1%±2.1 pts5.3%–
Single-family detached homes73.7%±4.2 pts68.8%–
Mobile homes13.4%±2.9 pts9.4%–
Built 2020 or later0.4%±0.5 pts2.3%–
Built 1939 or earlier29.1%±3.8 pts12.8%–

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP04) · Check it at data.census.gov

How many new homes is Fergus County building?

Builders took permits for 2 new housing units across Fergus County in 2025 (2 single-family), 0.2 per 1,000 residents.

  • 2019 5 units
  • 2020 6 units
  • 2021 4 units
  • 2022 20 units
  • 2023 3 units
  • 2024 0 units
  • 2025 2 units

Source: Building Permits Survey, annual county files 2019-2025, U.S. Census Bureau · Census Building Permits Survey

How do people in Fergus County get to work?

63.9% of Fergus County's workers drive alone and 16.8% work from home. The average trip to work takes 18.3 minutes. The unemployment rate in 2020-2024 averaged 4.2%.

Work and commuting, ACS 2020-2024 5-year estimates
MeasureFergus CountyMontanaChange since 2015-2019
In the labor force (age 16+)64.2%±2.4 pts62.9%–
Unemployment rate4.2%±1.9 pts3.6%–
Drove alone to work63.9%±4.0 pts71.1%–
Carpooled7.1%±2.3 pts9.7%–
Public transportation0.5%±0.6 pts0.6%–
Walked10.2%±3.2 pts3.9%–
Worked from home16.8%±3.2 pts12.5%+6.3 pts
Mean travel time to work18.3 min±2.719.1 min+4.9 min

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov

What are Fergus County's census tracts?

Fergus County is divided into 3 census tracts. Among those with a reliable estimate, median household income runs from $51,964 (Tract 302.01) to $78,427 (Tract 301).

Census tracts of Fergus County, ACS 2020-2024 5-year estimates; sort by any column
Tract 30130027030100Lewistown (4%)5,0804,924±236$78,427$268,700$8779.8%
Tract 302.0130027030201Lewistown (89%)3,3003,168±355$51,964$230,400$1,07210.7%
Tract 302.0230027030202Lewistown (79%)3,0663,595±361$53,194$197,800$87726.3%

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) · Check it at data.census.gov

How does Fergus County compare with Montana's other counties?

Fergus County's rank among Montana's counties with a reliable estimate (1 = highest)
MeasureRank
Population18th of 56
Growth 2020-202526th of 56
Residents per square mile28th of 56
Median household income30th of 56
Median home value28th of 56
Median gross rent15th of 56
Poverty rate19th of 56
Bachelor's degree or higher35th of 56
Median age28th of 56

Every county in Montana

Source: PlainCities ranks from the American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) and PEP Vintage 2025 · How ranks are computed

How these figures are made: methodology and release checks · reading a margin of error · every state · corrections

Not on this page: crime, weather and schools for Fergus County are other agencies' records. Crime: the FBI's Crime Data Explorer · climate: NOAA's U.S. Climate Normals · schools: the National Center for Education Statistics' school search.