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COUNTY · 2000 CENSUS

Adams County

Colorado · 363,857 residents · 1,167 sq mi
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The short version

Adams County is a county of 363,857 people in Colorado. Growth has run 37% since 1990, or 98,819 more people. This skews young, with a median age of 31.4. About 17% of adults have finished a four-year degree. The typical home is worth $141,700, having more than doubled since 1990. Poverty is uncommon here, at 8.9% of locals.

At a glance
Wealthier
above the US median
US median: $42,589
Younger
median age 31.4
US median: 35.2
Less educated
17% hold a bachelor's degree
US average: 24%
Less affordable
home values up 51%, inflation adjusted
US median home: $120,530
Section 01

Population & growth

363,857
+37%since 1990
from 265,038 in 1990
1990 – 2025
31.4
+2%since 1990
from 30.9 in 1990
US average: 35.2
Land area
1,167 sq mi
Population, 19902024
239K318K398K477K557K19902000201020202024Adams County
2024530K
1990201020202024
Age distribution, 2000
Under 58.4%(30,649)
US avg: 6.8%
5 to 98.2%(29,793)
US avg: 7.3%
10 to 147.6%(27,632)
US avg: 7.3%
15 to 197.2%(26,303)
US avg: 7.2%
20 to 247.4%(27,049)
US avg: 6.7%
25 to 3417.1%(62,121)
US avg: 14.2%
35 to 4416.9%(61,493)
US avg: 16%
45 to 5412.3%(44,704)
US avg: 13.4%
55 to 647.1%(25,731)
US avg: 8.6%
65 to 744.7%(17,044)
US avg: 6.5%
75 to 842.4%(8,788)
US avg: 4.4%
85 and over0.7%(2,550)
US avg: 1.5%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02

Income & economy

$47,323
+18%inflation adjusted, since 1990
from $30,522 in 1990
US average: $42,589
1990 – 2024
$19,944
+58%since 1990
from $12,615 in 1990
US average: $21,522
8.9%
−1.5 ptssince 1990
from 10.4% in 1990
US average: 12.4%
Section 03

Housing

$141,700
+51%inflation adjusted, since 1990
from $71,300 in 1990
US average: $120,530
1990 – 2024
$705
+23%inflation adjusted, since 1990
from $434 in 1990
US average: $602
70.6%
+5.0 ptssince 1990
from 65.5% in 1990
29.4% rent
Section 04

Race & ethnicity

1990
White, non-Hispanic86.9%(230,355)
Black3.2%(8,585)
Hispanic / Latino18.3%(48,468)
Asian2.4%(6,487)
2000
White, non-Hispanic63.3%(230,500)
Black2.8%(10,206)
Hispanic / Latino28.2%(102,585)
Asian3.1%(11,415)

No data for the years selected.

Section 04 · Origins

Detailed origins & ancestry

Detailed origin tables are available for 2024; showing 2024 data.

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

17.4%
+4.4 ptssince 1990
from 13.0% in 1990
US average: 24.4%
High school or higher
78.8%
Unchangedsince 1990
from 78.8% in 1990
US average: 80.3%
4.8%
+1.2 ptssince 1990
from 3.6% in 1990
US average: 8.8%
Section 06

Commute & transportation

18.5 min
−17%since 1990
from 22.4 min in 1990
US average: 17.6
Section 07

Work & employment

No data for the years selected.

Section 08

People & community

No data for the years selected.

Marital status
Men 15+
Never married29.5%(40,990)
Married58.4%(81,181)
Widowed1.7%(2,350)
Divorced10.5%(14,589)
Women 15+
Never married22.1%(30,212)
Married58%(79,203)
Widowed7%(9,613)
Divorced12.8%(17,445)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2000
Section 09

Health coverage

Showing 2024 (the nearest year with coverage data).

11.6%
−9.2 ptssince 2013
from 20.8% in 2013
US average: 8.4%
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%
11.7%
+0.3 ptssince 2020
from 11.4% in 2020
US average: 18.4%
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
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Frequently asked

How many people live in Adams County, Colorado?

Adams County, Colorado has about 363,857 residents according to the 2000 Census.

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

The typical household in Adams County, Colorado earns about $47,323 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 $141,700, and the typical rent is about $705 a month.

How educated are people in Adams County, Colorado?

About 17.4% 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 8.9% 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 98,819 residents, a change of about 37 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 →