Adams County, Colorado Population 2019

Adams County, Colorado's estimated population is 504,428 with a growth rate of 1.24% in the past year according to the most recent United States census data. Adams County, Colorado is the 5th largest county in Colorado.

Year Population Growth Growth Rate
2018511,8687,4401.47%
2017504,4286,1791.24%
2016498,2497,4811.52%
2015490,76810,5052.19%
2014480,26310,1182.15%
2013470,1459,4972.06%
2012460,6488,4451.87%
2011452,2038,5051.92%
2010443,698178,66067.41%
1990265,03819,0947.76%
1980245,94460,15532.38%
1970185,78965,49354.44%
1960120,29680,062198.99%
195040,23417,75378.97%
194022,4812,23611.04%
193020,2455,81540.30%
192014,4305,53862.28%
19108,8920.00%

How Many People Live in Adams County, Colorado?

504,428

Population by Race

Race Population Percentage
White404,39782.89%
Some Other Race25,2355.17%
Asian19,0673.91%
Two or More Races17,0233.49%
Black or African American15,6813.21%
American Indian and Alaska Native5,8431.20%
Native Hawaiian and Other Pacific Islander6040.12%

Adams County, Colorado Population Pyramid 2019

Adams County, Colorado Median Age

33.4


Total

32.9


Male

33.9


Female

Adams County, Colorado Adults

There are 353,442 adults, (46,883 of whom are seniors) in Adams County, Colorado.

Adams County, Colorado Age Dependency

59.1

Age Dependency Ratio

15.3

Old Age Dependency Ratio

43.8

Child Dependency Ratio

Adams County, Colorado Sex Ratio

Female

242,010

49.61%

Male

245,840

50.39%

Adams County, Colorado Households and Families

Adams County, Colorado Renter vs Owner Occupied by Household Type

Adams County, Colorado Household Types

Type Owner Renter
Married76.6%23.4%
All64.8%35.2%
Male56.7%43.3%
Non Family52.6%47.4%
Female50.3%49.7%

64.8%

Rate of Home Ownership

Type Count Average Size Owned
All162,5082.9864.8
Married82,8273.6576.6
Non Family47,3061.3752.6
Female22,2533.6250.3
Male10,1223.656.7

3.51

Average Family Size

2.98

Average Household Size

6.9%

Unmarried (Opposite Sex)

0.4%

Unmarried (Same Sex)

Adams County, Colorado Education

Education Attained Count Percentage
Less Than 9th Grade23,6077.60%
9th to 12th Grade30,3999.79%
High School Graduate87,91728.31%
Some College69,78822.47%
Associates Degree27,2668.78%
Bachelors Degree48,99315.77%
Graduate Degree22,6207.28%

Adams County, Colorado Educational Attainment by Race

Name Total High School Bachelors
White180,885168,50755,157
Hispanic101,79464,9458,530
Other Race14,7249,1211,081
Asian12,5209,5784,018
Black9,3047,9981,954
Multiple Races7,4726,2281,792
Native American3,6342,738508
Islander367350218

The highest rate of high school graduation is among islander people with a rate of 95.37%.

The highest rate of bachelors degrees is among islander people with a rate of 59.40%.

Name Average Male Female
Overall$38,065$43,185$32,542
Less Than High School$25,728$30,390$17,544
High School Grad$33,891$39,196$28,213
Some College$39,335$47,016$32,427
Bachelors Degree$52,712$62,102$45,086
Graduate Degree$63,263$77,544$56,205

$38,065

Average Earnings

$43,185

Average Male

$32,542

Average Female

Adams County, Colorado Language

Adams County, Colorado Language by Age

Adams County, Colorado Language

71.41% of Adams County, Colorado residents speak only English, while 28.59% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 23.35% of the population.

Adams County, Colorado Poverty

Adams County, Colorado Poverty by Race

Name Total In Poverty Poverty Rate
Hispanic190,25834,61318.19%
White246,92616,9646.87%
Other25,0874,13216.47%
Black15,1453,31521.89%
Asian19,0372,59013.61%
Multiple16,8712,00611.89%
Native5,72397317.00%
Islander60430.50%

12.22%

Overall Poverty Rate

10.64%

Male Poverty Rate

13.82%

Female Poverty Rate

Poverty in Adams County, Colorado

The race most likely to be in poverty in Adams County, Colorado is Black, with 21.89% below the poverty level.

The race least likely to be in poverty in Adams County, Colorado is Islander, with 0.50% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 3.02%. Among those working part-time, it was 15.76%, and for those that did not work, the poverty rate was 20.20%.

Name Poverty
Less Than High School20.70%
High School9.90%
Some College8.14%
Bachelors or Greater3.55%
Name Poverty
Female Unemployed29.10%
Male Unemployed25.28%
Female Employed7.45%
Male Employed5.65%

Adams County, Colorado Income

Adams County, Colorado Income by Household Type

Name Median Mean
Households$64,087$78,824
Families$72,332$86,186
Married Families$84,138$98,362
Non Families$42,254$54,235

Adams County, Colorado Marital Status

Adams County, Colorado Marital Status

Marriage Rates

49.3%

Overall Marriage Rate

49.7%

Male Marriage Rate

48.9%

Female Marriage Rate

Adams County, Colorado Married by Age and Sex

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 35-44.

Adams County, Colorado Marital Status by Race

Adams County, Colorado Veterans

26,541

Number of Veterans

24,343

Male Veterans

2,198

Female Veterans

War Veterans
Vietnam9,085
First Gulf War5,847
Second Gulf War4,564
Korea1,891
World War II1,054
Age Group Veterans
35 to 547,763
55 to 645,879
65 to 745,835
75+4,273
18 to 342,791

Adams County, Colorado Veterans by Race

Name Veterans % of Total
White23,4367.90%
Hispanic4,2033.42%
Black1,20510.94%
Other7374.27%
Asian4413.11%
2 or More3513.78%
Indian3117.15%
Hawaiian6017.05%

Adams County, Colorado Veterans by Education

5.34%

Veteran Poverty Rate

26.42%

Veteran Disability Rate

Adams County, Colorado Employment Status

70.9%

Labor Force Participation

67.2%

Employment Rate

5.1%

Unemployment Rate

Adams County, Colorado Place of Birth

Origin of Non Citizens

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

Origin of Naturalized Citizens

52.50%

Born in Colorado

84.74%

Native Born

15.26%

Foreign Born

10.53%

Non Citizen

Place of Birth

84.74% of Adams County, Colorado residents were born in the United States, with 52.50% having been born in Colorado. 10.53% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.

Population of Cities in Adams County, Colorado

City 2010 Census 2016 Estimated Growth Growth Rate
Aurora 3246843617103702611.40%
Thornton 1187771367031792615.09%
Arvada 1065241174531092910.26%
Westminster 10616011387577157.27%
Commerce City4591754869895219.50%
Northglenn 357693898232138.98%
Brighton 3378038314453413.42%
Federal Heights11472124589868.59%
Lochbuie 4726571999321.01%
Bennett 230524881837.94%
  1. US Census City/Town Population estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. Population of States and Counties of the United States: 1790 - 1990