Adams County, Colorado Population 2024

539,221

Adams County, Colorado's estimated 2024 population is 539,221 with a growth rate of 1.1% in the past year according to the most recent United States census data. Adams County, Colorado is the 5th largest county in Colorado. The 2010 population was 443,692 and has seen a growth of 21.53% since that time.

Note: data after 2022 is projected based on recent change
Year
Population
Growth
Change
2029568,5015,8561.04%
2028562,6455,8561.05%
2027556,7895,8561.06%
2026550,9335,8561.07%
2025545,0775,8561.09%
2024539,2215,8561.1%
2023533,3655,8561.11%
2022527,5093,9650.76%
2021523,5443,0440.58%
2020520,5003,9250.76%
2019516,5755,0901%
2018511,4857,7681.54%
2017503,7175,9821.2%
2016497,7357,2871.49%
2015490,44810,4942.19%
2014479,9549,9592.12%
2013469,9959,4272.05%
2012460,5688,3591.85%
2011452,2098,5171.92%
2010443,69200%
1990265,03819,0947.76%
1980245,94460,15532.38%
1970185,78965,49354.44%
1960120,29680,062198.99%
195040,23417,75378.97%
194022,4812,23611.04%
193020,2455,81540.3%
192014,4305,53862.28%
19108,892-559,609-98.44%
2024 Growth Rate
1.1% (5,856)
County Website
Adams County
County Seat
Brighton
2020 Population
520,500
Area
1167 mi²
Density
462 people/mi²
Growth Since 2020
3.6% (18,721)
Founded
April 15, 1901

Population by Race

Race
Population
Percentage (of total)
White342,21465.79%
Two or more races82,65315.89%
Other race48,3979.3%
Asian20,5743.96%
Black or African American18,2153.5%
Native American7,2601.4%
Native Hawaiian or Pacific Islander8360.16%

White

Two or more races

Other race

Asian

Black or African American

Native American

Native Hawaiian or Pacific Islander

Adams County, Colorado Population by Race

Adams County, Colorado Population Pyramid 2024

Adams County, Colorado Median Age

34.4

Total

33.9

Male

34.9

Female

Adams County, Colorado Adults

There are 387,043 adults, (56,225 of whom are seniors) in Adams County, Colorado.

Adams County, Colorado Age Dependency

57.2

Age Dependency Ratio

17

Old Age Dependency Ratio

40.2

Child Dependency Ratio

Adams County, Colorado Sex Ratio

Female255,29649.08%
Male264,85350.92%

Adams County, Colorado Population by Age

Adams County, Colorado Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All181,2112.8568.331.7
Married91,3083.4980.919.1
Non Family55,5581.3654.845.2
Female22,7273.653.846.2
Male11,6183.4862.637.4

3.39

Average Family Size

2.85

Average Household Size

68.3%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Adams County, Colorado Households and Families

Male

Female

Education Attained
Count
Percentage
9th to 12th Grade27,9658.25%
Associates Degree28,7368.48%
Bachelors Degree62,60218.48%
Graduate Degree29,3918.68%
High School Graduate97,40128.75%
Less Than 9th Grade23,4826.93%
Some College69,21520.43%

Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

Adams County, Colorado Educational Attainment by Sex (over 25)

Adams County, Colorado Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

Race
Total
High School
Bachelors
White184,789174,65565,470
Hispanic117,79781,78014,955
2+ Races44,13334,2968,388
Other Race29,91218,8303,016
Asian14,34711,3585,600
Black10,6759,3712,578
Native American4,4163,670654
Islander58141047

The highest rate of high school graduation is among white people with a rate of 94.52%.

The highest rate of bachelors degrees is among asian people with a rate of 39.03%.

Adams County, Colorado Educational Attainment by Race

All

Male

Female

Name
Average
Male
Female
Bachelors Degree$66,899$79,660$56,674
Graduate Degree$77,526$92,377$71,627
High School Graduate$43,172$49,007$35,321
Less Than 9th Grade$39,791$46,421$26,588
Overall$50,908$57,618$44,100
Some College$50,657$59,665$42,159

$50,908

Average Earnings

$57,618

Average Male

$44,100

Average Female

Adams County, Colorado Earnings by Educational Attainment

Adams County, Colorado Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

Adams County, Colorado Language

71.23% of Adams County, Colorado residents speak only English, while 28.77% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 23.29% of the population.

Adams County, Colorado Language

Adams County, Colorado Poverty by Race

rate

Name
Total
In Poverty
Poverty Rate
Hispanic213,92224,29511.36%
White244,51517,7287.25%
Multiple82,3809,48211.51%
Other48,2875,52411.44%
Black17,9123,14017.53%
Asian20,5132,22110.83%
Native7,1881,66923.22%
Islander83514116.89%

9.62%

Overall Poverty Rate

8.69%

Male Poverty Rate

10.58%

Female Poverty Rate

Poverty in Adams County, Colorado

The race most likely to be in poverty in Adams County, Colorado is Native, with 23.22% below the poverty level.

The race least likely to be in poverty in Adams County, Colorado is White, with 7.25% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 1.82%. Among those working part-time, it was 13.27%, and for those that did not work, the poverty rate was 17.31%.

Adams County, Colorado Poverty

rate

Rate
Poverty
Less Than 9th Grade14.38%
High School8.87%
Some College7.38%
Bachelors or Greater3.61%

Adams County, Colorado Poverty Rate by Education

rate

Rate
Poverty
Male Unemployed27.71%
Female Unemployed19.21%
Female Employed5.33%
Male Employed3.82%

Adams County, Colorado Poverty Rate by Employment Status and Sex

Adams County, Colorado Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

Name
Median
Mean
Families$98,225$117,247
Households$86,297$105,685
Married Families$115,063$132,511
Non Families$56,534$71,292

mean

median

Income by Household Type

Adams County, Colorado Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

49.3%

Overall Marriage Rate

49.3%

Male Marriage Rate

49.3%

Female Marriage Rate

Adams County, Colorado Married by Age and Sex

male

female

Adams County, Colorado Marriage

The age group where males are most likely to be married is Over 65, while the female age group most likely to be married is 45-54.

Adams County, Colorado Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

Adams County, Colorado Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

24,977

Number of Veterans

22,844

Male Veterans

2,133

Female Veterans

War
Veterans
Vietnam7,893
Second Gulf War7,050
First Gulf War6,057
Korea1,012
World War II189

Adams County, Colorado Veterans by War

count

Age Group
Veterans
35 to 547,358
65 to 745,762
55 to 644,607
75+4,416
18 to 342,834

Adams County, Colorado Veterans by Age

count

Name
Veterans
% of Total
White19,6787.48%
Hispanic4,8493.37%
2+ Races1,9473.64%
Other Race1,5254.3%
Black1,26410.11%
Asian3011.9%
Native American2113.93%
Islander517.1%

Adams County, Colorado Veterans by Race

Adams County, Colorado Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

5.72%

Veteran Poverty Rate

27.22%

Veteran Disability Rate

Adams County, Colorado Veterans by Education

LaborForceParticipation

71.9%

Labor Force Participation

68.5%

Employment Rate

4.6%

Unemployment Rate

Adams County, Colorado Employment by Age

LaborForceParticipation

Adams County, Colorado Employment by Race

LaborForceParticipation

Adams County, Colorado Employment by Education

Origin of Non-Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.

Origin of Naturalized Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

51.38%

Born in Adams County, Colorado

84.85%

Native Born

15.15%

Foreign Born

9.21%

Non Citizen

5.93%

Naturalized

Place of Birth

84.85% of Adams County, Colorado residents were born in the United States, with 51.38% having been born in Colorado. 9.21% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.

Adams County, Colorado Place of Birth

Sources