Columbia County, Washington Population 2018

Columbia County, Washington's estimated population is 4,047 with a growth rate of 1.25% in the past year according to the most recent United States census data. Columbia County, Washington is the 38th largest county in Washington.

Year Population Growth Growth Rate
20173,999-48-1.19%
20174,047501.25%
20163,997310.78%
20153,966-17-0.43%
20143,983-19-0.47%
20134,002250.63%
20123,977-27-0.67%
20114,004-90-2.20%
20104,094701.74%
19904,024-33-0.81%
19804,057-382-8.61%
19704,439-130-2.85%
19604,569-291-5.99%
19504,860-689-12.42%
19405,5492244.21%
19305,325-768-12.60%
19206,093-949-13.48%
19107,042-86-1.21%
19007,1284196.25%
18906,709-394-5.55%
18807,1030.00%

Columbia County, Washington Population Growth

Population Data via

Population by Race

Race Population
White3,634
Some Other Race102
Asian99
Two or More Races93
Native Hawaiian and Other Pacific Islander30
Black or African American21
American Indian and Alaska Native20

Data via US Census (2017 ACS 5-Year Survey): Table B03002

Columbia County, Washington Population Pyramid 2018

50100150200 Male Population50100150200 Female Population80757065605550454035302520151050

Data via US Census (2017 ACS 5-Year Survey): Table S0101

Columbia County, Washington Median Age

50


Total

49.2


Male

51.9


Female

Columbia County, Washington Adults

There are 3,253 adults, (1,076 of whom are seniors) in Columbia County, Washington.

Columbia County, Washington Age Dependency

83.7

Age Dependency Ratio

49.4

Old Age Dependency Ratio

34.3

Child Dependency Ratio

Columbia County, Washington Sex Ratio

Female

2,043

51.09%

Male

1,956

48.91%

Columbia County, Washington Households and Families

Columbia County, Washington Renter vs Owner Occupied by Household Type

Data via US Census (2017 ACS 5-Year Survey): Table S1101

Columbia County, Washington Household Types

Type Owner Renter
Married77.2%22.8%
All71%29%
Non Family66.2%33.8%
Female64.2%35.8%
Male56.1%43.9%

71.0%

Rate of Home Ownership

Columbia County, Washington Households by Type

Type Count Average Size Owned
All1,7592.2271
Married8582.8677.2
Non Family6711.2266.2
Female1732.7464.2
Male572.8456.1

2.75

Average Family Size

2.22

Average Household Size

9%

Unmarried (Opposite Sex)

0.3%

Unmarried (Same Sex)

Columbia County, Washington Households

Columbia County, Washington Education

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

Education Attained Count Percentage
Less Than 9th Grade1143.75%
9th to 12th Grade1745.72%
High School Graduate78125.67%
Some College78325.73%
Associates Degree38612.68%
Bachelors Degree54517.91%
Graduate Degree2608.54%

Columbia County, Washington Educational Attainment by Race

Name Total High School Bachelors
White2,7122,527752
Hispanic1697210
Multiple Races65307
Asian646431
Other Race43107
Islander3030
Black2119
Native American14105

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

The highest rate of bachelors degrees is among asian people with a rate of 48.44%.

Columbia County, Washington Earnings by Educational Attainment

Name Average Male Female
Overall$32,244$36,052$25,000
Less Than High School$$$
High School Grad$27,708$28,500$26,250
Some College$32,965$36,397$21,369
Bachelors Degree$44,688$60,804$30,263
Graduate Degree$40,114$$41,705

$32,244

Average Earnings

$36,052

Average Male

$25,000

Average Female

Columbia County, Washington Language

Columbia County, Washington Language by Age

Columbia County, Washington Language

91.93% of Columbia County, Washington residents speak only English, while 8.07% speak other languages. The largest non-English language is Spanish, which is spoken by 4.15% of the population.

Columbia County, Washington Poverty

Columbia County, Washington Poverty by Race

Name Total In Poverty Poverty Rate
White3,40941112.06%
Hispanic29711338.05%
Other1028280.39%
Islander3030100.00%
Multiple9299.78%
Native20420.00%
Black16425.00%

14.49%

Overall Poverty Rate

13.54%

Male Poverty Rate

15.37%

Female Poverty Rate

Poverty in Columbia County, Washington

The race most likely to be in poverty in Columbia County, Washington is Islander, with 100.00% below the poverty level.

The race least likely to be in poverty in Columbia County, Washington is Multiple, with 9.78% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 4.55%. Among those working part-time, it was 19.14%, and for those that did not work, the poverty rate was 18.84%.

Columbia County, Washington Poverty Rate by Education

Name Poverty
Less Than High School30.77%
Some College17.78%
High School10.81%
Bachelors or Greater5.02%

Columbia County, Washington Poverty Rate by Employment Status and Sex

Name Poverty
Female Unemployed100.00%
Male Unemployed40.40%
Female Employed11.47%
Male Employed5.33%

Columbia County, Washington Income

Columbia County, Washington Income by Household Type

Name Median Mean
Households$46,250$67,197
Families$62,447$83,209
Married Families$77,286$
Non Families$28,079$39,164

Columbia County, Washington Marital Status

Columbia County, Washington Marital Status

Marriage Rates

54.1%

Overall Marriage Rate

58.5%

Male Marriage Rate

49.9%

Female Marriage Rate

Columbia County, Washington Married by Age and Sex

Columbia County, Washington Marriage

The age group where males are most likely to be married is Over65, while the female age group most likely to be married is 45To54.

Columbia County, Washington Marital Status by Race


Data via US Census (2017 ACS 5-Year Survey): Table S1201

Columbia County, Washington Veterans

Columbia County, Washington Veterans by War

495

Number of Veterans

438

Male Veterans

57

Female Veterans

Name Veterans
Vietnam209
First Gulf War61
Second Gulf War36
World War II27
Korea23

Columbia County, Washington Veterans by Age

Name Veterans
65 to 74143
75+130
35 to 54115
55 to 6496
18 to 3411

Columbia County, Washington Veterans by Race

Name Veterans % of Total
White48016.13%
2 or More1521.13%
Hispanic73.72%

Columbia County, Washington Veterans by Education

9.63%

Veteran Poverty Rate

41.19%

Veteran Disability Rate

Columbia County, Washington Employment Status

Columbia County, Washington Employment by Age

52.6%

Labor Force Participation

48.4%

Employment Rate

7.9%

Unemployment Rate

Columbia County, Washington Employment by Race

Columbia County, Washington Employment by Education

Population of Cities in Columbia County, Washington

City 2010 Census 2016 Estimated Growth Growth Rate
Dayton25352427-108-4.26%
Starbuck130126-4-3.08%
Data Sources
  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