Adams County, Washington Population 2021

Adams County, Washington's estimated population is 20,477 with a growth rate of 1.22% in the past year according to the most recent United States census data. Adams County, Washington is the 32nd largest county in Washington. The 2010 Population was 18,790 and has seen a growth of 8.98% since this time.

Note: 2020 and 2021 data is projected
Year Population Growth Growth Rate
202120,4772471.22%
202020,2302471.24%
201919,9832471.25%
201819,736850.43%
201719,6512821.46%
201619,3691360.71%
201519,233560.29%
201419,177790.41%
201319,0981540.81%
201218,944670.35%
201118,877870.46%
201018,7905,18738.13%
199013,6033362.53%
198013,2671,25310.43%
197012,0142,08521.00%
19609,9293,34550.80%
19506,5843756.04%
19406,209-1,510-19.56%
19307,719-1,904-19.79%
19209,623-1,297-11.88%
191010,9206,080125.62%
19004,8402,742130.70%
18902,0980.00%
2021 Growth Rate
1.22%
County Website
Founded
November 28, 1883
County Seat
2010 Population
18,790
Growth (since 2010)
8.98%
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Adams County, Washington Population Growth

Population by Race

Race Population Percentage
White12,76165.13%
Some Other Race5,23426.71%
American Indian and Alaska Native7964.06%
Two or More Races4052.07%
Black or African American2031.04%
Asian1540.79%
Native Hawaiian and Other Pacific Islander410.21%
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Adams County, Washington Population by Race

Adams County, Washington Population Pyramid 2021

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Adams County, Washington Median Age

27.9


Total

27.2


Male

28.6


Female

Adams County, Washington Adults

There are 12,699 adults, (2,138 of whom are seniors) in Adams County, Washington.

Adams County, Washington Age Dependency

85.5

Age Dependency Ratio

20.2

Old Age Dependency Ratio

65.3

Child Dependency Ratio

Adams County, Washington Sex Ratio

Female

9,614

49.07%

Male

9,980

50.93%

Adams County, Washington Population by Age

Adams County, Washington Renter vs Owner Occupied by Household Type

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Adams County, Washington Household Types

Type Owner Renter
Married76.1%23.9%
All63.1%36.9%
Non Family58%42%
Female46.4%53.6%
Male26%74%

63.1%

Rate of Home Ownership

Adams County, Washington Households and Families

Type Count Average Size Owned
All5,9733.2463.1
Married3,1873.7176.1
Non Family1,4021.2458
Female8544.0946.4
Male5304.2826

3.69

Average Family Size

3.24

Average Household Size

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Adams County, Washington Households by Type

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Education Attained Count Percentage
Less Than 9th Grade2,49923.33%
9th to 12th Grade1,0429.73%
High School Graduate3,07428.69%
Some College1,89817.72%
Associates Degree6686.24%
Bachelors Degree9238.62%
Graduate Degree6095.68%
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Adams County, Washington Educational Attainment by Sex (over 25)

Adams County, Washington Educational Attainment by Race

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Name Total High School Bachelors
Hispanic5,5482,539200
White4,7934,3461,254
Other Race2,22598536
Native American26310820
Multiple Races21116627
Asian14012063
Black13187
Islander4141

The highest rate of high school graduation is among islander people with a rate of 100.00%.

The highest rate of bachelors degrees is among asian people with a rate of 45.00%.

Adams County, Washington Educational Attainment by Race

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Name Average Male Female
Overall$30,930$37,611$24,711
Less Than High School$24,048$27,427$17,975
High School Grad$29,583$35,436$23,873
Some College$36,092$41,816$26,806
Bachelors Degree$51,875$65,833$35,521
Graduate Degree$58,462$81,250$48,393

$30,930

Average Earnings

$37,611

Average Male

$24,711

Average Female

Adams County, Washington Earnings by Educational Attainment

Adams County, Washington Language by Age

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Adams County, Washington Language

44.99% of Adams County, Washington residents speak only English, while 55.01% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 50.61% of the population.

Adams County, Washington Language

Adams County, Washington Poverty by Race

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Name Total In Poverty Poverty Rate
Hispanic12,4064,05432.68%
Other5,2251,76633.80%
White6,46979312.26%
Native79651965.20%
Multiple38512833.25%
Black1875227.81%
Asian1372618.98%

25.61%

Overall Poverty Rate

22.98%

Male Poverty Rate

28.35%

Female Poverty Rate

Poverty in Adams County, Washington

The race most likely to be in poverty in Adams County, Washington is Native, with 65.20% below the poverty level.

The race least likely to be in poverty in Adams County, Washington is White, with 12.26% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 6.27%. Among those working part-time, it was 23.85%, and for those that did not work, the poverty rate was 36.95%.

Adams County, Washington Poverty

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Name Poverty
Less Than High School27.65%
High School19.46%
Some College14.48%
Bachelors or Greater5.02%

Adams County, Washington Poverty Rate by Education

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Name Poverty
Female Unemployed65.41%
Male Unemployed41.70%
Female Employed11.60%
Male Employed11.26%

Adams County, Washington Poverty Rate by Employment Status and Sex

Adams County, Washington Income by Household Type

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Name Median Mean
Households$48,294$65,032
Families$56,436$71,554
Married Families$69,907-
Non Families$27,432$37,437
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Income by Household Type

Adams County, Washington Marital Status

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Marriage Rates

51.2%

Overall Marriage Rate

50.4%

Male Marriage Rate

52.0%

Female Marriage Rate

Adams County, Washington Married by Age and Sex

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Adams County, Washington Marriage

The age group where males are most likely to be married is 55-64, while the female age group most likely to be married is 55-64.

Adams County, Washington Marital Status by Race

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Adams County, Washington Marital Status

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544

Number of Veterans

501

Male Veterans

43

Female Veterans

War Veterans
Vietnam198
First Gulf War92
Second Gulf War77
Korea45
World War II12

Adams County, Washington Veterans by War

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Age Group Veterans
65 to 74153
75+152
35 to 54144
55 to 6453
18 to 3442

Adams County, Washington Veterans by Age

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Name Veterans % of Total
White4965.57%
Hispanic711.00%
Other331.18%
Black129.16%
Indian30.68%

Adams County, Washington Veterans by Race

Adams County, Washington Veterans by Education

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12.12%

Veteran Poverty Rate

34.04%

Veteran Disability Rate

Adams County, Washington Veterans by Education

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61.8%

Labor Force Participation

57.6%

Employment Rate

6.7%

Unemployment Rate

Adams County, Washington Employment by Age

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Adams County, Washington Employment by Race

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Adams County, Washington Employment by Education

Origin of Non-Citizens

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

Origin of Naturalized Citizens

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53.82%

Born in Washington

75.51%

Native Born

24.49%

Foreign Born

18.25%

Non Citizen

6.24%

Naturalized

Place of Birth

75.51% of Adams County, Washington residents were born in the United States, with 53.82% having been born in Washington. 18.25% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.

Adams County, Washington Place of Birth

  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

Sources