Boulder County, Colorado

32 cities & places have their primary county here.

Population: 328,317
Median household income: $102,772
Median home value: $713,900

Boulder County, Colorado counts 328,317 residents. 32 cities and places have their primary county here. At $102,772, its median household income sits above Colorado's $92,470.

Between 2019 and 2023, Boulder County's population grew 1.8% from 322,510 to 328,317, while its median household income rose 23.8% from $83,019 to $102,772.

The largest age group is 18 to 24, 15.3% of residents. White (non-Hispanic) residents are the largest group, 75.3% of the population.

Demographics

ACS 2019–2023

Population: 328,317
Median age: 37.5 yrs
Median household income: $102,772
Median home value: $713,900
Median gross rent: $1,893
Housing units: 142,809
Homeownership rate: 62.5%
Bachelor's degree or higher: 63.9%
Unemployment rate: 4.6%

Trends

ACS 5-year · 2019–2023

Population

322,510328,317

Median household income

$83,019$102,772

Median home value

$497,300$713,900

Median gross rent

$1,495$1,893

Year	Population	Median household income	Median home value	Median gross rent
2019	322,510	$83,019	$497,300	$1,495
2020	324,682	$87,476	$539,100	$1,582
2021	328,713	$92,466	$575,700	$1,694
2022	328,658	$99,770	$671,100	$1,828
2023	328,317	$102,772	$713,900	$1,893

Each year is a US Census Bureau ACS 5-year estimate ending that year.

Age distribution

Under 54.0%

5 to 1714.0%

18 to 2415.3%

25 to 3413.6%

35 to 4412.6%

45 to 5412.6%

55 to 6412.2%

65 to 749.8%

75 and over6.0%

	Count	Share
Under 5	13,135	4.0%
5 to 17	45,997	14.0%
18 to 24	50,075	15.3%
25 to 34	44,671	13.6%
35 to 44	41,428	12.6%
45 to 54	41,207	12.6%
55 to 64	39,937	12.2%
65 to 74	32,239	9.8%
75 and over	19,628	6.0%

Race & ethnicity

	Count	Share
White (non-Hispanic)	247,322	75.3%
Black or African American	2,462	0.7%
American Indian & Alaska Native	531	0.2%
Asian	15,205	4.6%
Native Hawaiian & Pacific Islander	203	0.1%
Some other race	961	0.3%
Two or more races	13,685	4.2%
Hispanic or Latino (any race)	47,948	14.6%

Educational attainment (age 25+)

No high school diploma4.5%

High school graduate11.0%

Some college or associate's20.6%

Bachelor's degree34.5%

Graduate or professional degree29.4%

	Count	Share
No high school diploma	9,803	4.5%
High school graduate	24,148	11.0%
Some college or associate's	45,128	20.6%
Bachelor's degree	75,524	34.5%
Graduate or professional degree	64,507	29.4%

Commute to work

Mean travel time to work: 23 min

Drove alone55.6%

Carpooled5.7%

Public transit3.1%

Walked3.8%

Bicycle3.0%

Worked from home27.9%

Other means0.9%

How workers get to work

	Count	Share
Drove alone	97,061	55.6%
Carpooled	9,910	5.7%
Public transit	5,497	3.1%
Walked	6,674	3.8%
Bicycle	5,219	3.0%
Worked from home	48,731	27.9%
Other means	1,493	0.9%

Travel time

	Count	Share
Under 15 min	40,455	32.1%
15 to 29 min	47,773	38.0%
30 to 44 min	21,356	17.0%
45 to 59 min	8,626	6.9%
60+ min	7,644	6.1%

Households

Average household size: 2.33
Poverty rate: 11.4% (36,145 of 315,677)

	Count	Share
Family households	75,088	55.5%
Nonfamily households	60,142	44.5%

Housing

Median year structure built: 1986

Occupancy

	Count	Share
Occupied	135,230	94.7%
Vacant	7,579	5.3%

Tenure (of occupied units)

	Count	Share
Owner-occupied	84,461	62.5%
Renter-occupied	50,769	37.5%

1-unit, detached57.9%

1-unit, attached9.0%

2 to 4 units5.9%

5 to 19 units12.4%

20 or more units12.4%

Mobile home & other2.4%

Units in structure

	Count	Share
1-unit, detached	82,726	57.9%
1-unit, attached	12,806	9.0%
2 to 4 units	8,385	5.9%
5 to 19 units	17,743	12.4%
20 or more units	17,757	12.4%
Mobile home & other	3,392	2.4%

Geography

County GEOID: 08013
State: Colorado
Land area: 726 sq mi
Water area: 14 sq mi
Center point: 40.0950, -105.3977