Delmont is a city located in Douglas County, South Dakota. Delmont has a 2025 population of 153 . Delmont is currently declining at a rate of -0.65% annually and its population has decreased by -1.29% since the most recent census, which recorded a population of 155 in 2020.
The average household income in Delmont is $60,346 with a poverty rate of 18.37%. The median age in Delmont is 58.3 years: 50.6 years for males, and 58.8 years for females. For every 100 females there are 98.0 males.
Data after 2023 is projected based on recent change
The racial composition of Delmont includes 81.63% White, 4.08% Native American, and smaller percentages for other race and multiracial populations.
White (81.63%)
Two or more races (13.27%)
Native American (4.08%)
Other race (1.02%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 160 | 81.63% |
| Two or more races | 26 | 13.27% |
| Native American | 8 | 4.08% |
| Other race | 2 | 1.02% |
Married
Widowed
Divorced
Separated
Never Married
Delmont's average per capita income is $42,000. Household income levels show a median of $43,542. The poverty rate stands at 18.37%.
Name | Median | Mean |
|---|---|---|
| Married Families | $115,250 | - |
| Families | $81,250 | $75,540 |
| Households | $43,542 | $60,346 |
| Non Families | $20,417 | $38,695 |
Average Income
Median Household Income
Poverty Rate