Whitman County, Washington Population 2021

Whitman County, Washington's estimated population is 50,946 with a growth rate of 0.83% in the past year according to the most recent United States census data. Whitman County, Washington is the 23rd largest county in Washington. The 2010 Population was 44,796 and has seen a growth of 13.73% since this time.

Note: 2020 and 2021 data is projected
Year Population Growth Growth Rate
202150,9464210.83%
202050,5254210.84%
201950,1044210.85%
201849,6833010.61%
201749,3825581.14%
201648,8246601.37%
201548,1641,2462.66%
201446,9181260.27%
201346,7921590.34%
201246,6331,5773.50%
201145,0562600.58%
201044,7966,02115.53%
199038,775-1,328-3.31%
198040,1032,2035.81%
197037,9006,63721.23%
196031,263-1,206-3.71%
195032,4695,24819.28%
194027,221-793-2.83%
193028,014-3,309-10.56%
192031,323-1,957-5.88%
191033,2807,92031.23%
190025,3606,25132.71%
189019,10912,095172.44%
18807,0140.00%
2021 Growth Rate
0.83%
County Website
Founded
November 29, 1871
County Seat
2010 Population
44,796
Growth (since 2010)
13.73%
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Whitman County, Washington Population Growth

Population by Race

Race Population Percentage
White40,57382.41%
Asian4,1698.47%
Two or More Races2,3554.78%
Black or African American1,0842.20%
Some Other Race7991.62%
American Indian and Alaska Native1700.35%
Native Hawaiian and Other Pacific Islander810.16%
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Whitman County, Washington Population by Race

Whitman County, Washington Population Pyramid 2021

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Whitman County, Washington Median Age

24.7


Total

24.7


Male

24.8


Female

Whitman County, Washington Adults

There are 41,781 adults, (5,001 of whom are seniors) in Whitman County, Washington.

Whitman County, Washington Age Dependency

33.9

Age Dependency Ratio

13.6

Old Age Dependency Ratio

20.3

Child Dependency Ratio

Whitman County, Washington Sex Ratio

Female

24,056

48.86%

Male

25,175

51.14%

Whitman County, Washington Population by Age

Whitman County, Washington Renter vs Owner Occupied by Household Type

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Whitman County, Washington Household Types

Type Owner Renter
Married68%32%
All43.6%56.4%
Female41.3%58.7%
Male34.6%65.4%
Non Family26%74%

43.6%

Rate of Home Ownership

Whitman County, Washington Households and Families

Type Count Average Size Owned
All17,9992.3543.6
Non Family9,2681.7226
Married7,0503.0168
Female9853.141.3
Male6963.0334.6

2.91

Average Family Size

2.35

Average Household Size

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Whitman County, Washington Households by Type

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Education Attained Count Percentage
Less Than 9th Grade3051.25%
9th to 12th Grade8033.30%
High School Graduate3,86515.86%
Some College4,89020.07%
Associates Degree2,3699.72%
Bachelors Degree6,19425.42%
Graduate Degree5,93624.37%
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Whitman County, Washington Educational Attainment by Sex (over 25)

Whitman County, Washington Educational Attainment by Race

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Name Total High School Bachelors
White20,20619,4109,469
Asian2,0271,9861,707
Hispanic1,020805350
Multiple Races687663349
Black392364251
Other Race348206123
Native American918038

The highest rate of high school graduation is among asian people with a rate of 97.98%.

The highest rate of bachelors degrees is among asian people with a rate of 84.21%.

Whitman County, Washington Educational Attainment by Race

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Name Average Male Female
Overall$36,671$43,246$29,960
Less Than High School$30,069$30,708$19,659
High School Grad$35,370$42,228$28,910
Some College$31,745$39,851$23,611
Bachelors Degree$40,045$46,861$34,487
Graduate Degree$45,495$56,494$31,643

$36,671

Average Earnings

$43,246

Average Male

$29,960

Average Female

Whitman County, Washington Earnings by Educational Attainment

Whitman County, Washington Language by Age

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Whitman County, Washington Language

84.81% of Whitman County, Washington residents speak only English, while 15.19% speak other languages. The non-English language spoken by the largest group is Asian and Pacific Island languages, which is spoken by 5.75% of the population.

Whitman County, Washington Language

Whitman County, Washington Poverty by Race

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Name Total In Poverty Poverty Rate
White34,2818,34624.35%
Asian3,5651,33237.36%
Hispanic2,04964431.43%
Multiple1,63042426.01%
Black83737244.44%
Other58022438.62%
Islander816681.48%
Native1705733.53%

26.53%

Overall Poverty Rate

26.31%

Male Poverty Rate

26.76%

Female Poverty Rate

Poverty in Whitman County, Washington

The race most likely to be in poverty in Whitman County, Washington is Islander, with 81.48% below the poverty level.

The race least likely to be in poverty in Whitman County, Washington is White, with 24.35% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 3.52%. Among those working part-time, it was 44.24%, and for those that did not work, the poverty rate was 36.78%.

Whitman County, Washington Poverty

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Name Poverty
Less Than High School20.20%
Some College16.28%
High School14.63%
Bachelors or Greater10.05%

Whitman County, Washington Poverty Rate by Education

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Name Poverty
Male Unemployed58.18%
Female Unemployed52.74%
Female Employed21.20%
Male Employed16.98%

Whitman County, Washington Poverty Rate by Employment Status and Sex

Whitman County, Washington Income by Household Type

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Name Median Mean
Households$42,745$60,706
Families$71,743$87,118
Married Families$82,649-
Non Families$22,938$34,216
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Income by Household Type

Whitman County, Washington Marital Status

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Marriage Rates

35.3%

Overall Marriage Rate

35.8%

Male Marriage Rate

34.9%

Female Marriage Rate

Whitman County, Washington Married by Age and Sex

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Whitman 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 45-54.

Whitman County, Washington Marital Status by Race

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Whitman County, Washington Marital Status

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2,084

Number of Veterans

1,884

Male Veterans

200

Female Veterans

War Veterans
Vietnam671
Second Gulf War577
First Gulf War373
Korea174
World War II47

Whitman County, Washington Veterans by War

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Age Group Veterans
75+499
35 to 54453
65 to 74432
55 to 64372
18 to 34328

Whitman County, Washington Veterans by Age

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Name Veterans % of Total
White1,9405.61%
2 or More1226.77%
Hispanic592.39%
Black161.73%
Other30.40%
Indian33.19%

Whitman County, Washington Veterans by Race

Whitman County, Washington Veterans by Education

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10.03%

Veteran Poverty Rate

34.07%

Veteran Disability Rate

Whitman County, Washington Veterans by Education

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59%

Labor Force Participation

54%

Employment Rate

8.1%

Unemployment Rate

Whitman County, Washington Employment by Age

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Whitman County, Washington Employment by Race

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Whitman 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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50.60%

Born in Washington

88.65%

Native Born

11.35%

Foreign Born

8.82%

Non Citizen

2.52%

Naturalized

Place of Birth

88.65% of Whitman County, Washington residents were born in the United States, with 50.60% having been born in Washington. 8.82% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.

Whitman 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