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Dillon, Montana Demographics & Population 2026

During the 2020–2024 ACS period, Dillon, Montana had a total population of 4,085, the 32nd largest city in Montana, with a median household income of $61,134, which is 16% lower than the state average. The poverty rate is 11.5%.

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

Key Takeaways

Dillon Quick Facts

Population 4,085
Median Household Income $61,134
Median Home Value $256,700
Poverty Rate 11.5%
Unemployment Rate 1.2%
Median Age 33.0 years
Homeownership Rate 55.7%
Affordability Ratio 4.2x
Bachelor's Degree or Higher 37.2%
High School Graduation Rate 91.5%
Diversity Index 22/100
Population 4,085 32nd of 475
Median Income $61,134 average
Poverty Rate 11.5% 8% lower than national
Median Home Value $256,700 average

How Dillon 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
Population4,0204,085+1.6%
Median household income$51,458$61,134+18.8%
Median home value$237,500$256,700+8.1%

How Dillon Compares

Economy & Housing

Household Income Distribution

Under $25K 15.7%
$25K-$50K 26.7%
$50K-$100K 33.1%
$100K+ 24.5%
Detailed income brackets
Under $10K
7.7%
$10K-$15K
1.7%
$15K-$20K
2.4%
$20K-$25K
3.9%
$25K-$30K
5.2%
$30K-$35K
4.0%
$35K-$40K
1.3%
$40K-$45K
11.2%
$45K-$50K
5.1%
$50K-$60K
4.8%
$60K-$75K
12.2%
$75K-$100K
16.0%
$100K-$125K
12.5%
$125K-$150K
4.1%
$150K-$200K
3.0%
$200K+
4.9%

Employment

1.2% Unemployment Rate State: 3.6%|National: 5.2%
62.4% Labor Force Participation

Housing Overview

Owner 55.7%
Renter 44.3%
Affordability Index Moderate
4.2x home value to income ratio
Median gross rent $864/mo 17.0% of median household income annually

People & Demographics

Diversity Index

22out 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

Dillon Rankings in Montana

#32 Population of 475
#185 Median Income of 341
#97 Education of 473
#153 Home Value of 320

Other Cities in Beaverhead County

CityPopulationMedian IncomePovertyHome Value
Lima 218 $53,871 18.8% $189,100
Wisdom 110 $61,198 5.5% N/A
Argenta 94 N/A 100.0% N/A
Maverick Mountain 73 $88,333 2.7% $375,000
Jackson 61 N/A 16.4% N/A
Lakeview 32 N/A 34.4% N/A
Grant 31 $61,719 0.0% $114,100
Wise River 30 $55,313 20.0% $381,800
Dewey 26 N/A 38.5% N/A
Dell 24 N/A 0.0% N/A

Cities Similar to Dillon

These cities in the same state have comparable population and economic profiles.

CityPopulationMedian IncomeHome ValueBachelor's+Poverty
Malmstrom AFB4,302$64,833N/A36.6%5.8%
Hardin3,742$60,423$147,10020.5%7.2%
Lolo4,314$86,065$431,80040.9%5.3%
Glendive4,810$72,670$182,60023.5%13.5%
Shelby3,216$58,413$232,70019.5%13.8%

Population Overview

Dillon is a small community located in Montana, within Beaverhead County. The total population is 4,085. It ranks as the 32nd most populous out of 475 Census-designated places in Montana.

Age Demographics

The median age in Dillon is 33.0 years. This is 18% lower than the state median of 40.4 years.

Economy, Income & Housing

The median household income in Dillon is $61,134. This is 16% lower than the state median of $72,509. It is also 24% lower than the national median of $80,734. The poverty rate stands at 11.5%. This is about the same as the state poverty rate of 11.5%. The unemployment rate is 1.2%. This is 67% lower than the state rate of 3.6%. The median home value is $256,700. Housing costs are 32% lower than the state median of $375,800. The home-value-to-income ratio is 4.2x. 55.7% of occupied housing units are owner-occupied. This homeownership rate is 20% lower than the state average of 69.2%.

Race & Ethnicity

Dillon has a predominantly White (non-Hispanic) population, comprising 87.9% of all residents. Hispanic or Latino residents account for 3.9%. The Black or African American population is significantly higher than the state average (1.2% vs 0.4%).

Education

37.2% of residents aged 25 and older hold a bachelor's degree or higher. This is 6% higher 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 91.5%.

Data Sources & Methodology

All demographic data for Dillon, Montana is sourced from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates. The ACS collects data from approximately 3.5 million households annually and pools five years of responses so that even small communities can be measured, though the margin of error widens as the population falls. Comparisons are made against Montana state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 475 Census-designated places in Montana. Read more about how these figures are produced on our methodology page, or visit data.census.gov for official data.

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Frequently Asked Questions

What is the population of Dillon, Montana?

Dillon, Montana has a population of 4,085 according to the most recent U.S. Census ACS 5-Year Estimates.

What is the median household income in Dillon, MT?

The median household income in Dillon is $61,134, which is 24% lower than the national median of $80,734.

What is the poverty rate in Dillon, MT?

The poverty rate in Dillon is 11.5%. This means approximately 428 residents live below the federal poverty line.

What is the racial makeup of Dillon, Montana?

Dillon's population is 87.9% White, 1.2% Black, 3.9% Hispanic/Latino, and 0.4% Asian.

What is the median home value in Dillon, MT?

The median home value in Dillon is $256,700. The home-value-to-income ratio is 4.2x.

How educated is Dillon, Montana?

37.2% of adults (25+) in Dillon hold a bachelor's degree or higher, and 11.3% hold a graduate or professional degree.