Hardin is a city located in Big Horn County, Montana. Hardin has a 2025 population of 3,697 . It is also the county seat of Big Horn County . Hardin is currently declining at a rate of -0.59% annually and its population has decreased by -2.86% since the most recent census, which recorded a population of 3,806 in 2020.
The average household income in Hardin is $68,399 with a poverty rate of 18.36%. The median age in Hardin is 34.2 years: 34.7 years for males, and 32.7 years for females. For every 100 females there are 85.4 males.
Data after 2023 is projected based on recent change
The racial composition of Hardin includes 45.99% White, 42.17% Native American, and smaller percentages for Asian, other race and multiracial populations.
White (45.99%)
Native American (42.17%)
Two or more races (11.07%)
Asian (0.45%)
Other race (0.32%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 1,732 | 45.99% |
| Native American | 1,588 | 42.17% |
| Two or more races | 417 | 11.07% |
| Asian | 17 | 0.45% |
| Other race | 12 | 0.32% |
Married
Widowed
Divorced
Separated
Never Married
Hardin's average per capita income is $42,093. Household income levels show a median of $60,463. The poverty rate stands at 18.36%.
Name | Median | Mean |
|---|---|---|
| Married Families | $88,262 | - |
| Families | $77,321 | $82,306 |
| Households | $60,463 | $68,399 |
| Non Families | $30,139 | $39,023 |
Average Income
Median Household Income
Poverty Rate