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Klein, Montana Demographics & Population 2026

During the 2020–2024 ACS period, Klein, Montana had a total population of 340, the 185th largest community in Montana, with a median household income of $50,737, which is 30% 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

Klein Quick Facts

Population 340
Median Household Income $50,737
Median Home Value $276,900
Poverty Rate 11.5%
Unemployment Rate 0.0%
Median Age 62.8 years
Homeownership Rate 91.4%
Affordability Ratio 5.5x
Bachelor's Degree or Higher 0.0%
High School Graduation Rate 71.5%
Diversity Index 16/100
Population 340 185th of 475
Median Income $50,737 bottom 30%
Poverty Rate 11.5% 8% lower than national
Median Home Value $276,900 average

How Klein 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
Population292340+16.4%
Median household income$49,387$50,737+2.7%
Median home value$237,700$276,900+16.5%

How Klein Compares

Economy & Housing

Household Income Distribution

Under $25K 0.0%
$25K-$50K 42.4%
$50K-$100K 31.8%
$100K+ 25.8%
Detailed income brackets
Under $10K
0.0%
$10K-$15K
0.0%
$15K-$20K
0.0%
$20K-$25K
0.0%
$25K-$30K
6.6%
$30K-$35K
8.0%
$35K-$40K
8.6%
$40K-$45K
0.0%
$45K-$50K
19.2%
$50K-$60K
31.8%
$60K-$75K
0.0%
$75K-$100K
0.0%
$100K-$125K
0.0%
$125K-$150K
25.8%
$150K-$200K
0.0%
$200K+
0.0%

Employment

0.0% Unemployment Rate State: 3.6%|National: 5.2%
45.0% Labor Force Participation

Housing Overview

Owner 91.4%
Renter 8.6%
Affordability Index Expensive
5.5x home value to income ratio

People & Demographics

Diversity Index

16out 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

Klein Rankings in Montana

#185 Population of 475
#253 Median Income of 341
#397 Education of 473
#138 Home Value of 320

Other Cities in Musselshell County

CityPopulationMedian IncomePovertyHome Value
Roundup 2,003 $57,847 16.6% $166,200
Camp Three 139 $58,000 13.8% N/A
Melstone 80 $65,625 17.5% $156,300
Musselshell 36 N/A 33.3% N/A
Kilby Butte Colony 20 N/A 100.0% N/A

Cities Similar to Klein

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

CityPopulationMedian IncomeHome ValueBachelor's+Poverty
Martin City342N/A$573,40034.5%0.0%
Rockvale350N/AN/A14.3%6.9%
Forest Hill Village315N/A$608,50014.2%49.2%
Basin352$46,597$227,70024.7%14.4%
Jordan321$55,391$76,10012.4%11.4%

A note before these figures: with a population of 340, Klein's ACS estimates come from a small number of survey responses and carry wide margins of error. Individual percentages below — particularly rates that round to 0% or 100% — are approximations, not precise measurements. See data.census.gov for the published margins of error.

Population Overview

Klein is a small community located in Montana, within Musselshell County. The total population is 340. It ranks as the 185th most populous out of 475 Census-designated places in Montana.

Age Demographics

The median age in Klein is 62.8 years. This is 55% higher than the state median of 40.4 years. 37.6% 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 Klein is $50,737. This is 30% lower than the state median of $72,509. It is also 37% 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 survey records no unemployed residents in Klein, which reflects the size of the sample rather than a labor market without joblessness. The median home value is $276,900. Housing costs are 26% lower than the state median of $375,800. The home-value-to-income ratio is 5.5x. 91.4% of occupied housing units are owner-occupied. This homeownership rate is 32% higher than the state average of 69.2%.

Race & Ethnicity

Klein has a predominantly White (non-Hispanic) population, comprising 91.5% of all residents.

Education

0.0% of residents aged 25 and older hold a bachelor's degree or higher. This is among the lowest rates in the state, which may correlate with employment and income patterns. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 71.5%.

Data Sources & Methodology

All demographic data for Klein, 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 Klein, Montana?

Klein, Montana has a population of 340 according to the most recent U.S. Census ACS 5-Year Estimates.

What is the median household income in Klein, MT?

The median household income in Klein is $50,737, which is 37% lower than the national median of $80,734.

What is the poverty rate in Klein, MT?

The poverty rate in Klein is 11.5%. This means approximately 39 residents live below the federal poverty line.

What is the racial makeup of Klein, Montana?

Klein's population is 91.5% White, 0.0% Black, 0.0% Hispanic/Latino, and 0.0% Asian.

What is the median home value in Klein, MT?

The median home value in Klein is $276,900. The home-value-to-income ratio is 5.5x.

How educated is Klein, Montana?

0.0% of adults (25+) in Klein hold a bachelor's degree or higher, and 0.0% hold a graduate or professional degree.