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

32 Rows

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)
White37,13878.78%
Two or more races3,8368.14%
Asian3,7888.04%
Other race1,0752.28%
Black or African American9281.97%
Native American3360.71%
Native Hawaiian or Pacific Islander400.08%

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

Total

26.2

Male

25.8

Female

Whitman County, Washington Adults

There are 39,922 adults, (5,406 of whom are seniors) in Whitman County, Washington.

Whitman County, Washington Age Dependency

36.6

Age Dependency Ratio

15.7

Old Age Dependency Ratio

20.9

Child Dependency Ratio

Whitman County, Washington Sex Ratio

Female23,18749.19%
Male23,95450.81%

Whitman County, Washington Population by Age

Whitman County, Washington Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All17,9632.2845.254.8
Non Family9,3441.5523.376.7
Married7,0213.0873.326.7
Female1,1013.1449.650.4
Male497350.149.9

2.93

Average Family Size

2.28

Average Household Size

45.2%

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 Grade7252.98%
Associates Degree2,4319.99%
Bachelors Degree6,58127.04%
Graduate Degree5,81123.87%
High School Graduate3,47114.26%
Less Than 9th Grade2951.21%
Some College5,02820.66%

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
White19,27818,5949,382
Asian1,9081,7881,546
2+ Races1,5641,501767
Hispanic1,3331,193525
Other Race595497306
Black369327185
Native American14914446
Islander330

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 81.03%.

Whitman County, Washington Educational Attainment by Race

All

Male

Female

Name
Average
Male
Female
Bachelors Degree$47,000$53,222$37,283
Graduate Degree$59,915$77,294$51,797
High School Graduate$37,500$40,976$34,722
Less Than 9th Grade$34,939$36,500$0
Overall$45,646$51,111$35,758
Some College$38,311$46,818$29,696

$45,646

Average Earnings

$51,111

Average Male

$35,758

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

87.26% of Whitman County, Washington residents speak only English, while 12.74% speak other languages. The non-English language spoken by the largest group is Asian and Pacific Island languages, which is spoken by 4.85% of the population.

Whitman County, Washington Language

Whitman County, Washington Poverty by Race

rate

Name
Total
In Poverty
Poverty Rate
White31,7517,09322.34%
Asian3,1491,19537.95%
Multiple3,16652716.65%
Hispanic2,21944219.92%
Black82436143.81%
Other99130330.58%
Native29714448.48%
Islander393692.31%

23.86%

Overall Poverty Rate

23.6%

Male Poverty Rate

24.13%

Female Poverty Rate

Poverty in Whitman County, Washington

The race most likely to be in poverty in Whitman County, Washington is Islander, with 92.31% below the poverty level.

The race least likely to be in poverty in Whitman County, Washington is Multiple, with 16.65% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 2.13%. Among those working part-time, it was 42.19%, and for those that did not work, the poverty rate was 37.2%.

Whitman County, Washington Poverty

rate

Rate
Poverty
Less Than 9th Grade19.39%
High School15.76%
Some College12.27%
Bachelors or Greater8.12%

Whitman County, Washington Poverty Rate by Education

rate

Rate
Poverty
Male Unemployed66.5%
Female Unemployed62.55%
Female Employed19.6%
Male Employed13.62%

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$87,926$109,405
Households$49,345$75,687
Married Families$95,647$120,820
Non Families$24,403$41,045

mean

median

Income by Household Type

Whitman County, Washington Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

36.9%

Overall Marriage Rate

36.4%

Male Marriage Rate

37.4%

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 Over 65, while the female age group most likely to be married is 35-44.

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

2,000

Number of Veterans

1,755

Male Veterans

245

Female Veterans

War
Veterans
Vietnam634
Second Gulf War524
First Gulf War517
Korea81
World War II48

Whitman County, Washington Veterans by War

count

Age Group
Veterans
55 to 64473
75+473
35 to 54436
65 to 74384
18 to 34234

Whitman County, Washington Veterans by Age

count

Name
Veterans
% of Total
White1,8050.0565848459199348
2+ Races1450.052422270426608825
Hispanic610.024196747322491077
Asian170.005245294662141314
Black140.018134715025906734
Other Race120.014336917562724014
Native American70.026217228464419477

Whitman County, Washington Veterans by Race

Whitman County, Washington Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

10.16%

Veteran Poverty Rate

36.07%

Veteran Disability Rate

Whitman County, Washington Veterans by Education

LaborForceParticipation

60.5%

Labor Force Participation

56.2%

Employment Rate

6.7%

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

48.29%

Born in Whitman County, Washington

90.53%

Native Born

9.47%

Foreign Born

6.65%

Non Citizen

2.82%

Naturalized

Place of Birth

90.53% of Whitman County, Washington residents were born in the United States, with 48.29% having been born in Washington. 6.65% 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