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Fergus County, Montana Demographics 2026

Fergus County, Montana has a population of 11,687, the 18th most populous county in Montana. The median household income is $63,706 and the median home value is $236,100. The poverty rate is 15.1%.

Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes

Fergus County Quick Facts

Population 11,687
Median Household Income $63,706
Median Home Value $236,100
Poverty Rate 15.1%
Unemployment Rate 4.2%
Median Age 44.4 years
Homeownership Rate 63.4%
Affordability Ratio 3.7x
Bachelor's Degree+ 24.0%
High School Graduation 95.1%
Cities/Places 14
Population 11,687 18th of 56
Median Income $63,706 12% lower than state
Poverty Rate 15.1%
Unemployment 4.2%

How Fergus County Changed

Change from the 2019–2023 ACS period to 2020–2024. These are rolling five-year estimates, not year-over-year measurements.

Metric2019–20232020–2024Change
Population11,58111,687+0.9%
Median household income$59,731$63,706+6.7%
Median home value$202,700$236,100+16.5%

Economy & Housing

Household Income Distribution

Under $25K 15.6%
$25K-$50K 24.0%
$50K-$100K 36.0%
$100K+ 24.4%
Detailed income brackets
Under $10K
4.1%
$10K-$15K
3.8%
$15K-$20K
2.2%
$20K-$25K
5.6%
$25K-$30K
5.8%
$30K-$35K
2.8%
$35K-$40K
6.0%
$40K-$45K
5.0%
$45K-$50K
4.5%
$50K-$60K
6.9%
$60K-$75K
13.1%
$75K-$100K
16.0%
$100K-$125K
12.1%
$125K-$150K
3.5%
$150K-$200K
3.6%
$200K+
5.2%

Employment

4.2% Unemployment Rate State: 3.6%|National: 5.2%
64.2% Labor Force Participation

Housing Overview

Owner 63.4%
Renter 36.6%
Affordability Index Affordable
3.7x home value to income ratio
Median gross rent $954/mo 18.0% of median household income annually

People & Demographics

Diversity Index

14out of 100
Very Low Diversity

A less diverse community where one racial or ethnic group represents a large majority.

State average: 29 | National average: 61

Education

Cities & Places in Fergus County

CityPopulationMedian IncomePovertyHome Value
Lewistown6,087$48,75020.9%$198,400
Lewistown Heights488$89,9316.2%$314,300
Winifred263$78,3934.7%$120,000
Moore224$49,79222.3%$183,000
Denton193$56,6676.7%$157,800
Roy129$51,87536.5%N/A
Grass Range125$20,00039.2%N/A
Coffee Creek61$85,8330.0%$276,700
Warm Spring Creek46N/A30.4%N/A
King Ranch Colony38N/A44.7%N/A
Deerfield Colony34N/A69.6%N/A
Spring Creek Colony27N/A59.3%N/A
Ayers Ranch Colony8N/A0.0%N/A
Danvers6N/A0.0%N/A

Population Overview

Fergus County is located in Montana with a total population of 11,687. It is the 18th most populous county out of 56 in Montana. The county encompasses 14 Census-designated places.

Age Demographics

The median age in Fergus County is 44.4 years. This is 10% higher than the state median of 40.4 years. 10.4% of residents are 75 or older, suggesting a significant retirement-age population with implications for healthcare services and senior housing.

Economy, Income & Housing

The median household income in Fergus County is $63,706. This is 12% lower than the state median of $72,509. It is also 21% lower than the national median of $80,734. The poverty rate stands at 15.1%. This is 31% higher than the state poverty rate of 11.5%. The unemployment rate is 4.2%. This is 16% higher than the state rate of 3.6%. The median home value is $236,100. Housing costs are 37% lower than the state median of $375,800. The home-value-to-income ratio is 3.7x. 63.4% of occupied housing units are owner-occupied. This homeownership rate is 8% lower than the state average of 69.2%.

Race & Ethnicity

Fergus County has a predominantly White (non-Hispanic) population, comprising 92.4% of all residents. Hispanic or Latino residents account for 2.4%.

Education

24.0% of residents aged 25 and older hold a bachelor's degree or higher. This is 32% lower than the state rate of 35.2%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 95.1%.

Data Sources & Methodology

All figures for Fergus County come from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates, with comparisons drawn against Montana and national averages from the same dataset. See our methodology page for how each metric is defined, or data.census.gov for official tables with margins of error.

Frequently Asked Questions

What is the population of Fergus County, Montana?

Fergus County has a population of 11,687, making it the 18th most populous county in Montana.

What is the median income in Fergus County?

The median household income in Fergus County is $63,706 with a poverty rate of 15.1%.

How many cities are in Fergus County, Montana?

Fergus County contains 14 Census-designated places.