Joliet, Montana Demographics & Population 2026
During the 2020–2024 ACS period, Joliet, Montana had a total population of 613, the 138th largest town in Montana, with a median household income of $77,396, which is 7% higher than the state average. The poverty rate is 14.0%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Joliet Quick Facts
How Joliet Changed
Change from the 2019–2023 ACS period to 2020–2024. These are rolling five-year estimates, not year-over-year measurements.
| Metric | 2019–2023 | 2020–2024 | Change |
|---|---|---|---|
| Population | 614 | 613 | -0.2% |
| Median household income | $75,469 | $77,396 | +2.6% |
| Median home value | $237,100 | $235,500 | -0.7% |
How Joliet Compares
Median Household Income
Median Home Value
Economy & Housing
Household Income Distribution
Detailed income brackets
Employment
Housing Overview
People & Demographics
Age Distribution
Race & Ethnicity
Diversity Index
A less diverse community where one racial or ethnic group represents a large majority.
State average: 29 | National average: 61
Education
Educational Attainment (Adults 25+)
Joliet Rankings in Montana
Explore Montana Rankings
Other Cities in Carbon County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Red Lodge | 2,502 | $55,750 | 6.7% | $380,700 |
| Bridger | 788 | $42,891 | 15.0% | $250,000 |
| Fromberg | 438 | $64,500 | 13.5% | $212,500 |
| Rockvale | 350 | N/A | 6.9% | N/A |
| Belfry | 231 | $102,823 | 34.2% | N/A |
| Roberts | 191 | $95,917 | 19.4% | N/A |
| Montaqua | 145 | $124,250 | 2.1% | $467,700 |
| Bearcreek | 88 | $115,000 | 3.4% | $204,200 |
| Fox | 80 | N/A | 0.0% | $765,600 |
| Edgar | 60 | N/A | 6.7% | $247,200 |
Cities Similar to Joliet
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Belt | 559 | $73,929 | $171,700 | 24.0% | 8.2% |
| Lindisfarne | 533 | N/A | $653,800 | 48.1% | 14.3% |
| Riverbend | 592 | $60,766 | $438,300 | 12.9% | 11.3% |
| Wibaux | 672 | $66,856 | $95,800 | 19.6% | 13.8% |
| Muddy | 724 | N/A | $163,800 | 6.2% | 52.3% |
A note before these figures: with a population of 613, Joliet'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
Joliet is a small community located in Montana, within Carbon County. The total population is 613. It ranks as the 138th most populous out of 475 Census-designated places in Montana.
Age Demographics
The median age in Joliet is 38.5 years. This is 5% lower than the state median of 40.4 years.
Economy, Income & Housing
The median household income in Joliet is $77,396. This is 7% higher than the state median of $72,509. It is also 4% lower than the national median of $80,734. The poverty rate stands at 14.0%. This is 22% higher than the state poverty rate of 11.5%. The survey records no unemployed residents in Joliet, which reflects the size of the sample rather than a labor market without joblessness. The median home value is $235,500. Housing costs are 37% lower than the state median of $375,800. The home-value-to-income ratio is 3.0x. 86.1% of occupied housing units are owner-occupied. This homeownership rate is 24% higher than the state average of 69.2%.
Race & Ethnicity
Joliet has a predominantly White (non-Hispanic) population, comprising 92.3% of all residents. Hispanic or Latino residents account for 3.1%.
Education
19.1% of residents aged 25 and older hold a bachelor's degree or higher. This is 46% 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 97.6%.
Data Sources & Methodology
All demographic data for Joliet, 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 Joliet, Montana?
Joliet, Montana has a population of 613 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Joliet, MT?
The median household income in Joliet is $77,396, which is 4% lower than the national median of $80,734.
What is the poverty rate in Joliet, MT?
The poverty rate in Joliet is 14.0%. This means approximately 86 residents live below the federal poverty line.
What is the racial makeup of Joliet, Montana?
Joliet's population is 92.3% White, 0.0% Black, 3.1% Hispanic/Latino, and 0.5% Asian.
What is the median home value in Joliet, MT?
The median home value in Joliet is $235,500. The home-value-to-income ratio is 3.0x.
How educated is Joliet, Montana?
19.1% of adults (25+) in Joliet hold a bachelor's degree or higher, and 6.8% hold a graduate or professional degree.