Louisville is located in St. Lawrence County, New York. Louisville has a 2025 population of 2,967 . Louisville is currently declining at a rate of -0.5% annually and its population has decreased by -2.47% since the most recent census, which recorded a population of 3,042 in 2020.
The average household income in Louisville is $133,536 with a poverty rate of 11.43%. The median age in Louisville is 44.4 years: 44.4 years for males, and 44.4 years for females. For every 100 females there are 105.6 males.
Data after 2023 is projected based on recent change
The racial composition of Louisville includes 95.64% White, and smaller percentages for Asian, Two or more races, Native American and multiracial populations.
White (95.64%)
Asian (2.54%)
Two or more races (1.75%)
Native American (0.07%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 2,894 | 95.64% |
| Asian | 77 | 2.54% |
| Two or more races | 53 | 1.75% |
| Native American | 2 | 0.07% |
Married
Widowed
Divorced
Separated
Never Married
Louisville's average per capita income is $60,673. Household income levels show a median of $94,362. The poverty rate stands at 11.43%.
Name | Median | Mean |
|---|---|---|
| Married Families | $140,089 | - |
| Families | $128,008 | $163,070 |
| Households | $94,362 | $133,536 |
| Non Families | $29,531 | $48,975 |
Average Income
Median Household Income
Poverty Rate