Louisville, Colorado Demographics & Population 2026
During the 2020–2024 ACS period, Louisville, Colorado had a total population of 20,786, the 38th largest city in Colorado, with a median household income of $147,319, which is 54% higher than the state average. The poverty rate is 4.5%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Key Takeaways
- Household income is 54% above the state average — one of the wealthiest communities in Colorado.
- An exceptionally low poverty rate of 4.5% — among the lowest in Colorado.
Louisville Quick Facts
How Louisville Changed
Change from the 2019–2023 ACS period to 2020–2024. These are rolling five-year estimates, not year-over-year measurements.
| Metric | 2019–2023 | 2020–2024 | Change |
|---|---|---|---|
| Population | 20,788 | 20,786 | -0.0% |
| Median household income | $149,159 | $147,319 | -1.2% |
| Median home value | $835,000 | $883,900 | +5.9% |
How Louisville Compares
Median Household Income
Median Home Value
Economy & Housing
Household Income Distribution
Detailed income brackets
Employment
Housing Overview
People & Demographics
Age Distribution
Race & Ethnicity
Diversity Index
A less diverse community where one racial or ethnic group represents a large majority.
State average: 52 | National average: 61
Education
Educational Attainment (Adults 25+)
Louisville Rankings in Colorado
Explore Colorado Rankings
Other Cities in Boulder County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Boulder | 106,433 | $87,493 | 21.4% | $1,039,500 |
| Lafayette | 30,602 | $119,040 | 5.6% | $686,500 |
| Gunbarrel | 10,051 | $109,407 | 8.8% | $821,000 |
| Niwot | 3,447 | $146,492 | 2.2% | $995,700 |
| Lyons | 1,838 | $122,837 | 11.9% | $845,400 |
| Nederland | 1,655 | $122,917 | 2.7% | $707,100 |
| Allenspark | 825 | $108,056 | 8.2% | $742,900 |
| Lazy Acres | 778 | $147,625 | 17.1% | $1,024,700 |
| Paragon Estates | 667 | $230,268 | 5.0% | $1,617,500 |
| Altona | 587 | $149,327 | 3.9% | $1,084,000 |
Cities Similar to Louisville
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Johnstown | 18,883 | $128,995 | $540,300 | 38.5% | 3.7% |
| Golden | 20,417 | $98,582 | $837,700 | 59.1% | 12.6% |
| Firestone | 18,049 | $120,150 | $560,100 | 37.9% | 4.6% |
| Columbine | 25,478 | $131,232 | $617,200 | 53.1% | 4.3% |
| Black Forest | 15,738 | $145,460 | $856,200 | 56.5% | 5.0% |
Population Overview
Louisville is a small city located in Colorado, within Boulder County. The total population is 20,786. It ranks as the 38th most populous out of 472 Census-designated places in Colorado.
Age Demographics
The median age in Louisville is 42.6 years. This is 13% higher than the state median of 37.7 years.
Economy, Income & Housing
The median household income in Louisville is $147,319. This is 54% higher than the state median of $95,470. It is also 82% higher than the national median of $80,734. The poverty rate stands at 4.5%. This is 52% lower than the state poverty rate of 9.4%. This exceptionally low poverty rate indicates strong economic prosperity across the community. The unemployment rate is 3.6%. This is 22% lower than the state rate of 4.6%. The median home value is $883,900. Housing costs are 64% higher than the state median of $539,400. The home-value-to-income ratio is 6.0x. 71.7% of occupied housing units are owner-occupied. This homeownership rate is 8% higher than the state average of 66.2%.
Race & Ethnicity
The largest racial or ethnic group in Louisville is White (non-Hispanic), making up 78.6% of the population. Hispanic or Latino residents account for 10.4%. The Black or African American population (1.4%) is well below the state average of 3.8%. The Hispanic or Latino population (10.4%) is well below the state average of 22.5%.
Education
69.9% of residents aged 25 and older hold a bachelor's degree or higher. This is 53% higher than the state rate of 45.7%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 98.1%. Notably, 36.5% of adults hold a graduate or professional degree, indicating a highly educated workforce.
Data Sources & Methodology
All demographic data for Louisville, Colorado is sourced from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates. The ACS collects data from approximately 3.5 million households annually and pools five years of responses so that even small communities can be measured, though the margin of error widens as the population falls. Comparisons are made against Colorado state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 472 Census-designated places in Colorado. Read more about how these figures are produced on our methodology page, or visit data.census.gov for official data.
Free data download: Get all Colorado city and county demographics as CSV. Download Cities CSV | Download Counties CSV
Frequently Asked Questions
What is the population of Louisville, Colorado?
Louisville, Colorado has a population of 20,786 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Louisville, CO?
The median household income in Louisville is $147,319, which is 82% higher than the national median of $80,734.
What is the poverty rate in Louisville, CO?
The poverty rate in Louisville is 4.5%. This means approximately 928 residents live below the federal poverty line.
What is the racial makeup of Louisville, Colorado?
Louisville's population is 78.6% White, 1.4% Black, 10.4% Hispanic/Latino, and 3.7% Asian.
What is the median home value in Louisville, CO?
The median home value in Louisville is $883,900. The home-value-to-income ratio is 6.0x.
How educated is Louisville, Colorado?
69.9% of adults (25+) in Louisville hold a bachelor's degree or higher, and 36.5% hold a graduate or professional degree.