Louisville Flag

Louisville

County:
Boulder County
County Seat:
No
Area (mi²):
7.971
State:
Colorado

Louisville is a city located in Boulder County, Colorado. Louisville has a 2025 population of 20,712 . Louisville is currently declining at a rate of -0.48% annually and its population has decreased by -2.32% since the most recent census, which recorded a population of 21,205 in 2020.

The average household income in Louisville is $178,685 with a poverty rate of 4.94%. The median age in Louisville is 41.8 years: 40.4 years for males, and 43.2 years for females. For every 100 females there are 103.0 males.

20.7K
Total Population
2,599
Density (mi²)
-99 -0.48%
Growth

Louisville Population

Louisville Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Louisville includes 81.76% White, 5.22% Asian, and smaller percentages for Black or African American, other race, Native American and multiracial populations.

Population by Race

White (81.76%)

Two or more races (11.61%)

Asian (5.22%)

Black or African American (0.87%)

Other race (0.52%)

Native American (0.02%)

Race
Population
Percentage (of total)
White16,99681.76%
Two or more races2,41311.61%
Asian1,0865.22%
Black or African American1800.87%
Other race1080.52%
Native American50.02%

Louisville Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Louisville's average per capita income is $86,423. Household income levels show a median of $149,159. The poverty rate stands at 4.94%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.
Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.
Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.
Name
Median
Mean
Married Families$205,988-
Families$182,712$216,502
Households$149,159$178,685
Non Families$72,955$96,429

$86,423

Average Income

$149,159

Median Household Income

4.94%

Poverty Rate

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)