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COUNTY

Adams County

Colorado · 554,668 residents (2025 est.) · 1,167 sq mi
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Part of the Denver metro area
The short version

Adams County is a county of 530,225 people in Colorado. That puts it in the top 2% of US counties for household income. Growth has run 46% since 2000, or 166,368 more people. This skews young, with a median age of 34.8. About 29% of adults have finished a four-year degree. The typical home is worth $484,200, having roughly tripled since 2000.

At a glance
Wealthier
median household income $94,571, above the US median
US median: $82,259
Younger
median age 34.8
US median: 38.9
Less educated
29% hold a bachelor's degree
US average: 36%
Less affordable
home values up 88%, inflation adjusted
US median home: $376,019
Unique to this place

What stands out about Adams County

What changed most since 1990

  • Median home value (2024 dollars)$171,125 → $484,200 (+183%)US over the same years: +67%
  • Hispanic share18.3% → 42.8% (+24.5 pts)US over the same years: +9.9 pts
  • Population265,038 → 530,225 (+100%)US over the same years: +35%

Among the 64 counties in Colorado

  • 17th in household income$94,571
  • 39th in share with a bachelor's degree29.0%
  • 23rd in home value$484,200
  • 3rd in diversity score76.0
Section 01

Population & growth

Total population
530,225
+46%since 2000
from 363,857 in 2000
554,668 in 2025 (Census Bureau estimate)
1990 – 2025
Population density
454 / sq mi
+46%since 2000
from 312 / sq mi in 2000
US average: 281
Median age
34.8
+11%since 2000
from 31.4 in 2000
US average: 38.9
Land area
1,167 sq mi
Population, 1990 – 2024
239K318K398K477K557K19902000201020202024Adams County
2024530K
1990201020202024
Age distribution, 2024
Under 56.4%(33,697)
US avg: 5.6%
5 to 96.3%(33,592)
US avg: 6%
10 to 147.7%(40,688)
US avg: 6.4%
15 to 197%(37,332)
US avg: 6.6%
20 to 246.6%(35,002)
US avg: 6.5%
25 to 3416.3%(86,476)
US avg: 13.7%
35 to 4415.5%(82,214)
US avg: 13.2%
45 to 5412.3%(65,363)
US avg: 12.2%
55 to 6410.5%(55,936)
US avg: 12.7%
65 to 747.2%(38,134)
US avg: 10.2%
75 to 843.2%(17,051)
US avg: 5.1%
85 and over0.9%(4,740)
US avg: 1.9%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02

Income & economy

Median household income
$94,571
+10%inflation adjusted, since 2000
from $47,323 in 2000
US average: $82,259
1990 – 2024
Per capita income
$42,206
+112%since 2000
from $19,944 in 2000
US average: $44,673
Households earning $100K+
61.4%
+28.2 ptssince 2009
from 33.2% in 2009
US average: 53.3%
Poverty rate
9.8%
+0.9 ptssince 2000
from 8.9% in 2000
US average: 12.5%
Income inequality (Gini)
0.412
+2%since 2010
from 0.403 in 2010
US average: 0.476
Workforce by industry, 2024
Wholesale trade11.7%
US avg: 6.9%
Information11.4%
US avg: 10.8%
Finance & insurance8.4%
US avg: 5.9%
Retail trade8.2%
US avg: 9.9%
Professional, scientific, technical7.4%
US avg: 5.1%
Other services5.7%
US avg: 6.7%
Public administration3.3%
US avg: 4.8%
Transportation & warehousing3.1%
US avg: 2.2%
Arts, entertainment, food2.1%
US avg: 1.9%
Agriculture, forestry, fishing1.5%
US avg: 1.6%
Education & health services1.1%
US avg: 0.9%
Manufacturing0.8%
US avg: 0.4%
Construction0.7%
US avg: 1.2%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 03

Housing

Median home value
$484,200
+88%inflation adjusted, since 2000
from $141,700 in 2000
US average: $376,019
1990 – 2024
Median gross rent
$1,781
+39%inflation adjusted, since 2000
from $705 in 2000
US average: $1,442
Owner-occupied
68.6%
−2.0 ptssince 2000
from 70.6% in 2000
31.4% rent
Vacancy rate
3.6%
−5.2 ptssince 2009
from 8.9% in 2009
US average: 10.0%
Persons per household
2.79 people
−2%since 2009
from 2.85 people in 2009
US average: 2.54
Owner cost-burdened
27.9%
−9.2 ptssince 2009
from 37.1% in 2009
US average: 22.9%
Renter cost-burdened
55.0%
+6.3 ptssince 2009
from 48.7% in 2009
US average: 47.4%
Afford Score
5.1
+42%since 2009
from 3.6 in 2009
1990 – 2024
Years of local income it takes to buy a local home, on a scale of about 0 to 15. Lower is more affordable.
Gentrification Score
90
Our index, 0 to 100. Higher means faster recent growth in incomes, home values, and college degrees.
Section 04

Race & ethnicity

2000
White, non-Hispanic63.3%(230,500)
Black2.8%(10,206)
Hispanic / Latino28.2%(102,585)
Asian3.1%(11,415)
Other0%
2024
White, non-Hispanic45.2%(239,594)
Black3.3%(17,757)
Hispanic / Latino42.8%(226,823)
Asian3.8%(20,270)
Other4.9%(25,781)
Diversity Score
76
+9%since 2009
from 70 in 2009
1990 – 2024
Our index, 0 to 100. Higher means a more even mix of racial and ethnic groups.
Segregation Score
29
−11%since 2020
from 33 in 2020
Our index, 0 to 100. Higher means White and non-White residents are more separated across neighborhoods.
Section 04 · Origins

Detailed origins & ancestry

Hispanic origin
Mexican34.7%(184,057)
Spaniard1.4%(7,673)
Central American1.4%(7,204)
Puerto Rican0.8%(4,191)
Salvadoran0.6%(3,051)
Colombian0.4%(1,932)
Guatemalan0.3%(1,539)
Venezuelan0.3%(1,412)
Peruvian0.2%(1,199)
Honduran0.2%(1,181)
Nicaraguan0.1%(743)
+ 9 more hispanic origin groups with data
Cuban0.1%(699)
Panamanian0.1%(576)
Dominican0.1%(270)
Argentine0%(250)
Ecuadorian0%(197)
Chilean0%(138)
Asian origin
Vietnamese0.7%(3,756)
Chinese0.5%(2,643)
Hmong0.4%(2,271)
Asian Indian0.4%(2,060)
Filipino0.3%(1,547)
Korean0.2%(1,315)
Nepalese0.2%(1,295)
Burmese0.2%(1,066)
Japanese0.2%(916)
Kazakh0.1%(768)
Cambodian0.1%(636)
Laotian0.1%(317)
+ 8 more asian origin groups with data
Taiwanese0.1%(290)
Thai0%(233)
Bhutanese0%(216)
Malaysian0%(192)
Indonesian0%(175)
Sri Lankan0%(155)
Pakistani0%(68)
Uzbek0%(8)
Pacific Islander origin
Chamorro0.1%(341)
Samoan0.1%(314)
Guamanian0%(146)
Tongan0%(92)
Chuukese0%(59)
Ancestry
German14%(74,475)
English8.4%(44,593)
Irish8.3%(44,168)
Italian4.2%(22,131)
American3%(15,731)
French1.7%(9,025)
Polish1.6%(8,478)
Scottish1.6%(8,399)
Norwegian1.3%(7,107)
Swedish1.2%(6,591)
Dutch0.9%(4,914)
+ 48 more ancestry groups with data
Russian0.6%(3,249)
Scotch-Irish0.5%(2,853)
Welsh0.5%(2,488)
Danish0.4%(2,351)
Czech0.4%(1,997)
Portuguese0.3%(1,761)
British0.3%(1,497)
Greek0.3%(1,455)
Arab0.3%(1,326)
Ukrainian0.2%(1,242)
French Canadian0.2%(1,237)
West Indian0.2%(1,220)
Swiss0.2%(1,104)
Hungarian0.2%(941)
Somali0.2%(879)
Austrian0.2%(805)
Jamaican0.1%(707)
Canadian0.1%(637)
Lithuanian0.1%(588)
Nigerian0.1%(524)
Ethiopian0.1%(517)
Belgian0.1%(504)
Finnish0.1%(501)
Slovak0.1%(407)
Croatian0.1%(379)
Ghanaian0.1%(365)
Lebanese0.1%(331)
Turkish0.1%(330)
Romanian0.1%(315)
Iranian0.1%(303)
Slovene0.1%(298)
Brazilian0%(256)
Egyptian0%(229)
Bulgarian0%(184)
Australian0%(173)
Haitian0%(165)
Latvian0%(121)
Serbian0%(121)
Syrian0%(116)
Barbadian0%(105)
Iraqi0%(69)
Jordanian0%(63)
Guyanese0%(63)
Armenian0%(59)
Section 05

Education

Bachelor's degree or higher
29.0%
+11.6 ptssince 2000
from 17.4% in 2000
US average: 35.6%
High school or higher
85.2%
+6.4 ptssince 2000
from 78.8% in 2000
US average: 89.6%
Graduate degree
9.2%
+4.4 ptssince 2000
from 4.8% in 2000
US average: 14.0%
Section 06

Commute & transportation

Average commute
29.8 min
+60%since 2000
from 18.5 min in 2000
US average: 26.5
Drive alone to work
70.2%
−6.8 ptssince 2009
from 77.1% in 2009
US average: 68.9%
Carpooled to work
10.2%
−2.3 ptssince 2009
from 12.5% in 2009
US average: 8.5%
Public transit
1.8%
−2.4 ptssince 2009
from 4.2% in 2009
US average: 3.2%
Worked from home
15.2%
+11.9 ptssince 2009
from 3.3% in 2009
US average: 15.0%
Walked to work
1.2%
−0.3 ptssince 2009
from 1.5% in 2009
US average: 2.4%
Biked to work
0.2%
−0.1 ptssince 2009
from 0.4% in 2009
US average: 0.4%
No vehicle available
4.7%
−0.3 ptssince 2009
from 4.9% in 2009
US average: 8.3%
Section 07

Work & employment

Unemployment rate
4.6%
−4.5 ptssince 2011
from 9.1% in 2011
US average: 5.2%
Labor force participation
72.2%
+0.2 ptssince 2011
from 72.0% in 2011
US average: 63.5%
Women 20-64 in the labor force
77.5%
+1.3 ptssince 2020
from 76.2% in 2020
US average: 74.6%
Self-employed
11.6%
+1.5 ptssince 2009
from 10.1% in 2009
US average: 13.1%
Management & professional
36.0%
+8.2 ptssince 2009
from 27.7% in 2009
US average: 42.5%
Section 08

People & community

Male
50.8%
+0.1 ptssince 2009
from 50.7% in 2009
Female
49.2%
−0.1 ptssince 2009
from 49.3% in 2009
Foreign born
15.6%
+0.3 ptssince 2009
from 15.3% in 2009
US average: 14.1%
Veterans
6.1%
−3.9 ptssince 2009
from 10.0% in 2009
US average: 6.2%
With a disability
11.3%
+1.8 ptssince 2012
from 9.5% in 2012
US average: 13.3%
Uninsured
11.6%
−9.2 ptssince 2013
from 20.8% in 2013
US average: 8.4%
Broadband at home
92.9%
+13.1 ptssince 2017
from 79.8% in 2017
US average: 91.0%
Computer in household
97.0%
+2.3 ptssince 2020
from 94.7% in 2020
US average: 95.5%
Same house as last year
85.5%
+1.3 ptssince 2020
from 84.2% in 2020
US average: 87.7%
English only at home
70.7%
−0.4 ptssince 2016
from 71.1% in 2016
US average: 77.7%
Spanish at home
24.0%
+0.4 ptssince 2016
from 23.6% in 2016
US average: 13.6%
Marital status
Men 15+
Never married38.4%(82,169)
Married50.8%(108,774)
Widowed1.7%(3,558)
Divorced9.1%(19,543)
Women 15+
Never married31.8%(66,148)
Married50.9%(106,037)
Widowed5.4%(11,164)
Divorced11.9%(24,855)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
Section 09

Health coverage

Uninsured
11.6%
−9.2 ptssince 2013
from 20.8% in 2013
US average: 8.4%
Employer-based
55.2%
−1.4 ptssince 2020
from 56.6% in 2020
US average: 54.8%
Direct-purchase
9.6%
−0.5 ptssince 2020
from 10.1% in 2020
US average: 13.8%
Medicare
11.7%
+0.3 ptssince 2020
from 11.4% in 2020
US average: 18.4%
Medicaid
22.2%
−0.5 ptssince 2020
from 22.7% in 2020
US average: 20.9%
VA health care
1.7%
−0.1 ptssince 2020
from 1.8% in 2020
US average: 2.2%
Any private
63.8%
−1.7 ptssince 2020
from 65.5% in 2020
US average: 67.1%
Any public
32.6%
−0.1 ptssince 2020
from 32.7% in 2020
US average: 36.7%

Shares are "alone or in combination": a person with both Medicare and Medicaid counts in each, so categories overlap and do not sum to 100%.

Section 09 · Service history

Veterans

Veterans by period of service, 2024
Gulf War (2001 or later)31.5%(7,650)
US avg: 26.4%
Gulf War (1990s)26.8%(6,518)
US avg: 24.3%
Vietnam era29.8%(7,246)
US avg: 33.1%
Korean War2.6%(637)
US avg: 4.5%
World War II0.4%(109)
US avg: 1%

Share of the 24,314 veterans here. A veteran who served across eras counts in each, so shares can total more than 100%. Peacetime-only service is included in the total but not shown as an era.

BAR + DOT: THIS PLACE · TICK: US AVERAGE
Over time

Adams County, decade by decade

Adams County population, inflation-adjusted income and home value, education, and diversity by year
YearPopulationMedian household incomeMedian home valueBachelor's degree+Diversity score
1990265,038$73,255$171,12513.0%49.7
2000363,857$86,206$258,12917.4%64.6
2010441,603$78,641$282,10420.3%71.2
2020519,572$89,469$407,00325.2%76.2
2024530,225$94,571$484,20029.0%76.0

Census years come from the decennial census and the latest year from the American Community Survey, so part of any change between those two rows can reflect the different surveys. Dollar figures are adjusted for inflation to 2024 dollars; a figure ending in "+" was at the Census Bureau's reporting cap that year. The diversity score runs from 0 to 100; see how it's calculated.

Drill deeper

Places similar to Adams County

Ada County
Pop 546,141
New Castle County
Pop 588,026
Delaware County
Pop 580,937
Camden County
Pop 535,799
Places similar to Adams County
Head to head

Compare Adams County to nearby counties

ADAMS COUNTY VS
Arapahoe County
Income$101,087+7%
Home value$561,200+16%
Population673,820+21%
SEE FULL COMPARISON →
ADAMS COUNTY VS
Denver County
Income$94,718same
Home value$616,000+27%
Population740,613+34%
SEE FULL COMPARISON →
ADAMS COUNTY VS
Morgan County
Income$73,278−23%
Home value$338,600−30%
Population30,306−95%
SEE FULL COMPARISON →
ADAMS COUNTY VS
Broomfield County
Income$123,874+31%
Home value$664,500+37%
Population79,174−86%
SEE FULL COMPARISON →
Frequently asked

How many people live in Adams County, Colorado?

Adams County, Colorado has about 530,225 residents according to the 2024 American Community Survey.

What is the median household income in Adams County, Colorado?

The typical household in Adams County, Colorado earns about $94,571 a year. Half of households make more than that, and half make less.

Is Adams County, Colorado expensive?

In Adams County, Colorado, the median home is worth about $484,200, and the typical rent is about $1,781 a month.

How educated are people in Adams County, Colorado?

About 29.0% of adults age 25 and over in Adams County, Colorado hold a bachelor's degree or higher.

What is the poverty rate in Adams County, Colorado?

About 9.8% of people in Adams County, Colorado live below the federal poverty line.

Has Adams County, Colorado grown since 1990?

Yes, Adams County, Colorado has grown since 1990. The population has added about 265,187 residents, a change of about 100 percent over that period.

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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024

How we source and harmonize this data →