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COUNTY · 2020 ACS

Adams County

Colorado · 519,572 residents · 1,167 sq mi
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The short version

With 519,572 people, Adams County is a county in Colorado. Growth has run 43% since 2000, or 155,715 more people. This skews young, with a median age of 34.4. About 25% of adults have finished a four-year degree. The typical home is worth $335,800, having more than doubled since 2000. Median household income runs $73,817, well clear of the $66,278 US median.

At a glance
Wealthier
above the US median
US median: $66,278
Younger
median age 34.4
US median: 38.8
Less educated
25% hold a bachelor's degree
US average: 33%
Less affordable
home values up 58%, inflation adjusted
US median home: $265,253
Section 01

Population & growth

Total population
519,572
+43%since 2000
from 363,857 in 2000
1990 – 2025
Median age
34.4
+10%since 2000
from 31.4 in 2000
US average: 38.8
Land area
1,167 sq mi
Population, 1990 – 2024
239K318K398K477K557K19902000201020202024Adams County
2024530K
1990201020202024
Age distribution, 2020
Under 56.4%(33,464)
US avg: 5.6%
5 to 97%(36,326)
US avg: 6.1%
10 to 147.7%(39,767)
US avg: 6.5%
15 to 197.2%(37,619)
US avg: 6.6%
20 to 246.7%(34,818)
US avg: 6.7%
25 to 3416%(82,959)
US avg: 13.5%
35 to 4414.9%(77,662)
US avg: 12.7%
45 to 5412.2%(63,154)
US avg: 12.3%
55 to 6410.8%(55,980)
US avg: 13.1%
65 to 747.1%(36,718)
US avg: 10%
75 to 843%(15,600)
US avg: 4.9%
85 and over1.1%(5,505)
US avg: 1.9%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02

Income & economy

Median household income
$73,817
+4%inflation adjusted, since 2000
from $47,323 in 2000
US average: $66,278
1990 – 2024
Per capita income
$31,310
+57%since 2000
from $19,944 in 2000
US average: $35,364
Households earning $100K+
49.3%
+16.1 ptssince 2009
from 33.2% in 2009
US average: 43.9%
Poverty rate
9.9%
+1.0 ptssince 2000
from 8.9% in 2000
US average: 12.8%
Workforce by industry, 2020
Information11.9%
US avg: 11.1%
Wholesale trade11.9%
US avg: 6.7%
Retail trade8.2%
US avg: 10%
Finance & insurance7.1%
US avg: 5.5%
Professional, scientific, technical6.3%
US avg: 4.7%
Other services5.3%
US avg: 6.6%
Public administration3.5%
US avg: 4.7%
Transportation & warehousing3.3%
US avg: 2.5%
Arts, entertainment, food2.7%
US avg: 2%
Agriculture, forestry, fishing2%
US avg: 1.7%
Manufacturing1.3%
US avg: 0.5%
Education & health services0.8%
US avg: 0.8%
Construction0.7%
US avg: 1.2%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 03

Housing

Median home value
$335,800
+58%inflation adjusted, since 2000
from $141,700 in 2000
US average: $265,253
1990 – 2024
Median gross rent
$1,387
+31%inflation adjusted, since 2000
from $705 in 2000
US average: $1,124
Owner-occupied
66.5%
−4.1 ptssince 2000
from 70.6% in 2000
33.5% rent
Persons per household
3.02 people
+6%since 2009
from 2.85 people in 2009
US average: 2.61
Afford Score
4.5
+27%since 2009
from 3.6 in 2009
2009 – 2024
Years of local income it takes to buy a local home, on a scale of about 0 to 15. Lower is more affordable.
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%
2020
White, non-Hispanic46.1%(239,295)
Black3.1%(16,054)
Hispanic / Latino41.7%(216,649)
Asian4.3%(22,583)
Other3.5%(18,202)
Segregation Score
33
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
Mexican33.1%(169,006)
Spaniard1.5%(7,728)
Central American0.8%(4,293)
South American0.5%(2,614)
Puerto Rican0.5%(2,576)
Salvadoran0.5%(2,347)
Guatemalan0.2%(1,131)
Cuban0.2%(979)
Colombian0.2%(816)
Peruvian0.1%(749)
Honduran0.1%(459)
Dominican0.1%(385)
+ 9 more hispanic origin groups with data
Ecuadorian0.1%(338)
Venezuelan0%(231)
Argentine0%(194)
Nicaraguan0%(166)
Chilean0%(145)
Bolivian0%(96)
Asian origin
Vietnamese0.8%(4,226)
Chinese0.5%(2,526)
Hmong0.4%(2,245)
Asian Indian0.4%(1,793)
Filipino0.3%(1,360)
Japanese0.2%(1,057)
Korean0.2%(1,052)
Laotian0.2%(1,028)
Nepalese0.2%(815)
Burmese0.2%(808)
Cambodian0.2%(778)
Thai0.1%(316)
+ 7 more asian origin groups with data
Bhutanese0.1%(285)
Sri Lankan0%(149)
Pakistani0%(132)
Taiwanese0%(105)
Malaysian0%(28)
Pacific Islander origin
Samoan0.1%(423)
Chamorro0.1%(386)
Tongan0%(4)
Ancestry
German14.7%(75,022)
Irish8.2%(41,884)
English6.5%(33,030)
Italian4.4%(22,192)
American3.1%(16,056)
French2.2%(11,124)
Polish1.9%(9,444)
Norwegian1.6%(8,114)
Scottish1.5%(7,865)
Swedish1.5%(7,763)
Dutch1%(5,171)
+ 49 more ancestry groups with data
Scotch-Irish0.7%(3,674)
Russian0.7%(3,490)
Welsh0.5%(2,582)
Danish0.5%(2,569)
British0.5%(2,520)
Czech0.5%(2,409)
French Canadian0.4%(2,058)
Portuguese0.4%(1,821)
Hungarian0.2%(1,234)
Swiss0.2%(1,072)
Greek0.2%(996)
Finnish0.2%(978)
Austrian0.2%(872)
Ukrainian0.1%(734)
Canadian0.1%(653)
Slovak0.1%(651)
West Indian0.1%(609)
Belgian0.1%(560)
Lithuanian0.1%(528)
Ethiopian0.1%(467)
Nigerian0.1%(451)
Armenian0.1%(380)
Croatian0.1%(362)
Lebanese0.1%(333)
Iranian0.1%(328)
Romanian0.1%(288)
Jamaican0.1%(265)
Bulgarian0.1%(255)
Brazilian0%(253)
Australian0%(246)
Ghanaian0%(225)
Somali0%(221)
Slovene0%(200)
Haitian0%(195)
Arab0%(182)
Moroccan0%(169)
Turkish0%(87)
Serbian0%(72)
Latvian0%(53)
Israeli0%(48)
Syrian0%(46)
Jordanian0%(34)
Guyanese0%(31)
Egyptian0%(21)
Iraqi0%(16)
Section 05

Education

Bachelor's degree or higher
25.2%
+7.8 ptssince 2000
from 17.4% in 2000
US average: 32.9%
High school or higher
84.7%
+5.9 ptssince 2000
from 78.8% in 2000
US average: 88.5%
Graduate degree
7.9%
+3.1 ptssince 2000
from 4.8% in 2000
US average: 12.7%
Section 06

Commute & transportation

Average commute
29.8 min
+60%since 2000
from 18.5 min in 2000
US average: 26.9
Drive alone to work
76.1%
−0.9 ptssince 2009
from 77.1% in 2009
US average: 75.1%
No vehicle available
4.3%
−0.6 ptssince 2009
from 4.9% in 2009
US average: 8.4%
Section 07

Work & employment

Unemployment rate
4.1%
−5.0 ptssince 2011
from 9.1% in 2011
US average: 5.4%
Labor force participation
71.2%
−0.8 ptssince 2011
from 72.0% in 2011
US average: 63.4%
Women 20-64 in the labor force
76.2%
US average: 73.3%
Management & professional
31.7%
+4.0 ptssince 2009
from 27.7% in 2009
US average: 39.3%
Section 08

People & community

Male
50.5%
−0.2 ptssince 2009
from 50.7% in 2009
Female
49.5%
+0.2 ptssince 2009
from 49.3% in 2009
Foreign born
14.8%
−0.5 ptssince 2009
from 15.3% in 2009
US average: 13.5%
Uninsured
10.3%
−10.5 ptssince 2013
from 20.8% in 2013
US average: 8.8%
Computer in household
94.7%
US average: 91.9%
Same house as last year
84.2%
US average: 86.2%
Marital status (2024)
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
10.3%
−10.5 ptssince 2013
from 20.8% in 2013
US average: 8.8%
Employer-based
56.6%
US average: 55.4%
Direct-purchase
10.1%
US average: 13.7%
Medicare
11.4%
US average: 17.6%
Medicaid
22.7%
US average: 20.0%
VA health care
1.8%
US average: 2.3%
Any private
65.5%
US average: 68.1%
Any public
32.7%
US average: 35.2%

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, 2020
Gulf War (2001 or later)26%(6,744)
US avg: 20.6%
Gulf War (1990s)23.3%(6,047)
US avg: 21.4%
Vietnam era32.9%(8,523)
US avg: 35.2%
Korean War5.2%(1,351)
US avg: 7.6%
World War II1.6%(406)
US avg: 2.9%

Share of the 25,944 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
Drill deeper

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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+37%
Home value$561,200+67%
Population673,820+21%
SEE FULL COMPARISON →
ADAMS COUNTY VS
Denver County
Income$94,718+28%
Home value$616,000+83%
Population740,613+34%
SEE FULL COMPARISON →
ADAMS COUNTY VS
Morgan County
Income$73,278−1%
Home value$338,600+1%
Population30,306−95%
SEE FULL COMPARISON →
ADAMS COUNTY VS
Broomfield County
Income$123,874+68%
Home value$664,500+98%
Population79,174−86%
SEE FULL COMPARISON →
Frequently asked

How many people live in Adams County, Colorado?

Adams County, Colorado has about 519,572 residents according to the 2020 American Community Survey.

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

The typical household in Adams County, Colorado earns about $73,817 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 $335,800, and the typical rent is about $1,387 a month.

How educated are people in Adams County, Colorado?

About 25.2% 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 9.9% 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 254,534 residents, a change of about 96 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 →