Whitman County, Washington Population 2024

48,445

Whitman County, Washington's estimated 2024 population is 48,445 with a growth rate of 0.9% 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 44,795 and has seen a growth of 8.15% since that time.

Note: data after 2022 is projected based on recent change
Year
Population
Growth
Change
202950,6104330.86%
202850,1774330.87%
202749,7444330.88%
202649,3114330.89%
202548,8784330.89%
202448,4454330.9%
202348,0124330.91%
202247,5794,35510.08%
202143,224-4,583-9.59%
202047,807-2,329-4.65%
201950,1363150.63%
201849,8213070.62%
201749,5146021.23%
201648,9126881.43%
201548,2241,2592.68%
201446,9651340.29%
201346,8311710.37%
201246,6601,5933.53%
201145,0672720.61%
201044,79500%
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%
18807,014-43,596-86.14%
2024 Growth Rate
0.9% (433)
County Website
Whitman County
County Seat
Colfax
2020 Population
47,807
Area
2159 mi²
Density
22 people/mi²
Growth Since 2020
1.33% (638)
Founded
November 29, 1871

Population by Race

Race
Population
Percentage (of total)
White36,08676.71%
Two or more races5,00010.63%
Asian3,4967.43%
Other race1,2622.68%
Black or African American7661.63%
Native American3460.74%
Native Hawaiian or Pacific Islander860.18%

White

Two or more races

Asian

Other race

Black or African American

Native American

Native Hawaiian or Pacific Islander

Whitman County, Washington Population by Race

Whitman County, Washington Population Pyramid 2024

Whitman County, Washington Median Age

26.1

Total

26.2

Male

26.1

Female

Whitman County, Washington Adults

There are 39,657 adults, (5,456 of whom are seniors) in Whitman County, Washington.

Whitman County, Washington Age Dependency

37.5

Age Dependency Ratio

16

Old Age Dependency Ratio

21.6

Child Dependency Ratio

Whitman County, Washington Sex Ratio

Female23,18549.29%
Male23,85750.71%

Whitman County, Washington Population by Age

Whitman County, Washington Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All17,9522.2946.653.4
Non Family9,3241.5324.375.7
Married6,8433.0575.224.8
Female1,2203.3751.148.9
Male5653.2758.841.2

2.94

Average Family Size

2.29

Average Household Size

46.6%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Whitman County, Washington Households and Families

Male

Female

Education Attained
Count
Percentage
9th to 12th Grade7082.91%
Associates Degree2,44110.02%
Bachelors Degree6,60227.11%
Graduate Degree5,61523.05%
High School Graduate3,66715.06%
Less Than 9th Grade2491.02%
Some College5,07520.84%

Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

Whitman County, Washington Educational Attainment by Sex (over 25)

Whitman County, Washington Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

Race
Total
High School
Bachelors
White18,92918,3499,263
2+ Races2,1842,1251,034
Asian1,6821,5831,370
Hispanic1,5611,378543
Other Race664494249
Black347303181
Native American817625
Islander373716

The highest rate of high school graduation is among islander people with a rate of 100%.

The highest rate of bachelors degrees is among asian people with a rate of 81.45%.

Whitman County, Washington Educational Attainment by Race

All

Male

Female

Name
Average
Male
Female
Bachelors Degree$49,943$56,855$38,611
Graduate Degree$66,216$88,200$52,703
High School Graduate$36,384$39,917$31,146
Less Than 9th Grade$36,511$37,388$29,844
Overall$47,263$54,123$37,337
Some College$41,413$47,351$33,911

$47,263

Average Earnings

$54,123

Average Male

$37,337

Average Female

Whitman County, Washington Earnings by Educational Attainment

Whitman County, Washington Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

Whitman County, Washington Language

88.71% of Whitman County, Washington residents speak only English, while 11.29% speak other languages. The non-English language spoken by the largest group is Asian and Pacific Island languages, which is spoken by 4.52% of the population.

Whitman County, Washington Language

Whitman County, Washington Poverty by Race

rate

Name
Total
In Poverty
Poverty Rate
White30,6436,72221.94%
Asian2,8571,09738.4%
Multiple4,36386019.71%
Hispanic3,23669821.57%
Other1,21035129.01%
Black58528248.21%
Native26814654.48%
Islander853541.18%

23.69%

Overall Poverty Rate

22.36%

Male Poverty Rate

25.07%

Female Poverty Rate

Poverty in Whitman County, Washington

The race most likely to be in poverty in Whitman County, Washington is Native, with 54.48% below the poverty level.

The race least likely to be in poverty in Whitman County, Washington is Multiple, with 19.71% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 2.71%. Among those working part-time, it was 42.29%, and for those that did not work, the poverty rate was 34.8%.

Whitman County, Washington Poverty

rate

Rate
Poverty
Less Than 9th Grade18.45%
High School18.4%
Some College10.39%
Bachelors or Greater10.12%

Whitman County, Washington Poverty Rate by Education

rate

Rate
Poverty
Male Unemployed74.63%
Female Unemployed65.5%
Female Employed20.62%
Male Employed14.79%

Whitman County, Washington Poverty Rate by Employment Status and Sex

Whitman County, Washington Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

Name
Median
Mean
Families$91,032$111,903
Households$52,893$78,956
Married Families$99,567$-999,999,999
Non Families$26,629$44,361

mean

median

Income by Household Type

Whitman County, Washington Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

35.4%

Overall Marriage Rate

35.3%

Male Marriage Rate

35.5%

Female Marriage Rate

Whitman County, Washington Married by Age and Sex

male

female

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

Married

Widowed

Divorced

Separated

NeverMarried

Whitman County, Washington Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

1,863

Number of Veterans

1,644

Male Veterans

219

Female Veterans

War
Veterans
Vietnam547
First Gulf War546
Second Gulf War454
Korea55
World War II13

Whitman County, Washington Veterans by War

count

Age Group
Veterans
55 to 64451
35 to 54433
75+432
65 to 74381
18 to 34166

Whitman County, Washington Veterans by Age

count

Name
Veterans
% of Total
White1,6735.41%
2+ Races1383.88%
Hispanic441.48%
Black202.92%
Asian130.43%
Other Race111.12%
Native American82.52%

Whitman County, Washington Veterans by Race

Whitman County, Washington Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

10.15%

Veteran Poverty Rate

32.35%

Veteran Disability Rate

Whitman County, Washington Veterans by Education

LaborForceParticipation

62.5%

Labor Force Participation

58.1%

Employment Rate

6.5%

Unemployment Rate

Whitman County, Washington Employment by Age

LaborForceParticipation

Whitman County, Washington Employment by Race

LaborForceParticipation

Whitman County, Washington 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

46.45%

Born in Whitman County, Washington

92.01%

Native Born

7.99%

Foreign Born

5.37%

Non Citizen

2.63%

Naturalized

Place of Birth

92.01% of Whitman County, Washington residents were born in the United States, with 46.45% having been born in Washington. 5.37% 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

Sources