Colby is a city located in Clark County, Wisconsin. Colby has a 2025 population of 1,950 . Colby is currently declining at a rate of -0.46% annually and its population has decreased by -2.26% since the most recent census, which recorded a population of 1,995 in 2020.
The average household income in Colby is $63,787 with a poverty rate of 16%. The median age in Colby is 38.2 years: 36.2 years for males, and 41.5 years for females. For every 100 females there are 100.0 males.
Data after 2023 is projected based on recent change
The racial composition of Colby includes 79.41% White, 8.31% other race, and smaller percentages for Native American, Asian and multiracial populations.
White (79.41%)
Two or more races (11.9%)
Other race (8.31%)
Native American (0.24%)
Asian (0.14%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 1,682 | 79.41% |
| Two or more races | 252 | 11.9% |
| Other race | 176 | 8.31% |
| Native American | 5 | 0.24% |
| Asian | 3 | 0.14% |
Married
Widowed
Divorced
Separated
Never Married
Colby's average per capita income is $46,293. Household income levels show a median of $52,574. The poverty rate stands at 16%.
Name | Median | Mean |
|---|---|---|
| Married Families | $85,000 | - |
| Families | $61,188 | $78,556 |
| Households | $52,574 | $63,787 |
| Non Families | $23,365 | $30,294 |
Average Income
Median Household Income
Poverty Rate