Boulder vs Louisville

A side-by-side comparison of Boulder and Louisville: population, income, housing, and more.

Boulder and Louisville are places in Colorado. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

Boulder has the higher population (106,274 vs 20,788 in Louisville). Louisville has the higher median household income ($149,159 vs $85,364 in Boulder). Boulder has the higher median home value ($982,600 vs $835,000 in Louisville).

Population, income & housing

	Boulder	Louisville
Population	106,274	20,788
Median age	28.8 yrs	41.8 yrs
Median household income	$85,364	$149,159
Median home value	$982,600	$835,000
Median gross rent	$1,924	$2,069
Housing units	46,765	8,304
Homeownership rate	47.9%	70.9%
Bachelor's degree or higher	76.8%	68.1%
Unemployment rate	6.1%	3.4%

Trends (ACS 5-year, 2019–2023)

	Boulder	Louisville
Population	106,392 → 106,274 (-0.1%)	20,860 → 20,788 (-0.3%)
Median household income	$69,520 → $85,364 (+22.8%)	$103,017 → $149,159 (+44.8%)
Median home value	$700,000 → $982,600 (+40.4%)	$587,000 → $835,000 (+42.2%)
Median gross rent	$1,554 → $1,924 (+23.8%)	$1,607 → $2,069 (+28.7%)

Boulder

Population

106,392106,274

Median household income

$69,520$85,364

Median home value

$700,000$982,600

Median gross rent

$1,554$1,924

Louisville

Population

20,86020,788

Median household income

$103,017$149,159

Median home value

$587,000$835,000

Median gross rent

$1,607$2,069

Age & race/ethnicity

Age distribution (share)

	Boulder	Louisville
Under 5	2.0%	4.3%
5 to 17	9.8%	21.5%
18 to 24	31.1%	7.3%
25 to 34	16.2%	9.6%
35 to 44	10.3%	12.0%
45 to 54	10.0%	16.3%
55 to 64	8.3%	14.0%
65 to 74	7.4%	9.1%
75 and over	5.0%	6.0%

Race & ethnicity (share)

	Boulder	Louisville
White (non-Hispanic)	77.7%	79.1%
Black or African American	1.0%	0.8%
American Indian & Alaska Native	0.2%	0.0%
Asian	5.7%	4.7%
Native Hawaiian & Pacific Islander	0.1%	0.0%
Some other race	0.3%	0.1%
Two or more races	3.8%	4.8%
Hispanic or Latino	11.2%	10.4%

Educational attainment (age 25+)

Share of adults 25+

	Boulder	Louisville
No high school diploma	3.1%	1.8%
High school graduate	6.4%	9.3%
Some college or associate's	13.7%	20.7%
Bachelor's degree	36.9%	33.8%
Graduate or professional degree	39.9%	34.3%

Commute to work

How workers get to work (share)

	Boulder	Louisville
Drove alone	41.9%	51.3%
Carpooled	3.6%	5.3%
Public transit	5.9%	2.5%
Walked	8.6%	2.2%
Bicycle	7.6%	1.8%
Worked from home	31.6%	36.4%
Other means	0.8%	0.5%

Housing

Units in structure (share)

	Boulder	Louisville
1-unit, detached	39.2%	66.5%
1-unit, attached	7.7%	7.5%
2 to 4 units	9.4%	2.8%
5 to 19 units	17.2%	9.1%
20 or more units	24.2%	12.5%
Mobile home & other	2.3%	1.7%

Poverty & households

	Boulder	Louisville
Poverty rate	21.8%	4.9%
Average household size	2.16	2.58
Mean commute (minutes)	19	24
Median year structure built	1978	1991