Columbia County, Washington Population 2018

Columbia County, Washington's estimated population is 4,047 with a growth rate of 1.91% 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
20174,047761.91%
20163,971-26-0.65%
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
White3,594
Some Other Race149
Two or More Races116
Asian47
Native Hawaiian and Other Pacific Islander29
American Indian and Alaska Native21
Black or African American15

Race Data via US Census (2016 ACS 5-Year Survey)

Columbia County, Washington Population Pyramid 2018

0%2%4%6%8%10% Male Population0%2%4%6%8%10% Female Population80757065605550454035302520151050

Data via US Census (2016 ACS 5-Year Survey): Table S0101

Columbia County, Washington Median Age

49.9


Total

49.4


Male

50.5


Female

Columbia County, Washington Adults

There are 3,228 adults, (1,056 of which are seniors) in Columbia County, Washington.

Columbia County, Washington Age Dependency

82.7

Age Dependency Ratio

48.5

Old Age Dependency Ratio

34.1

Child Dependency Ratio

Columbia County, Washington Sex Ratio

Female

2,021

50.89%

Male

1,950

49.11%

Columbia County, Washington Households and Families

Columbia County, Washington Renter vs Owner Occupied by Household Type

Columbia County, Washington Household Types

Type Owner Renter
Married81%19%
All71.8%28.2%
Female65.8%34.2%
Non Family61.9%38.1%
Male53.3%46.7%

71.8%

Rate of Home Ownership

Columbia County, Washington Households by Type

Type Count Average Size Owned
All1,6892.2971.8
Married8642.981
Non Family6281.2161.9
Female1523.0765.8
Male453.2453.3

2.82

Average Family Size

2.29

Average Household Size

7.8%

Unmarried (Opposite Sex)

0.2%

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 Grade963.24%
9th to 12th Grade2026.83%
High School Graduate76725.92%
Some College76425.82%
Associates Degree37812.77%
Bachelors Degree52817.84%
Graduate Degree2247.57%

Columbia County, Washington Educational Attainment by Race

Name Total High School Bachelors
White2,6792,455717
Hispanic1578811
Multiple Races67377
Other Race66419
Islander2929
Asian282813
Black1515
Native American15104

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

The highest rate of bachelors degrees is among black people with a rate of 46.43%.

Columbia County, Washington Earnings by Educational Attainment

Name Average Male Female
Overall$29,574$35,818$22,364
Less Than High School$$27,031$
High School Grad$27,991$35,438$21,944
Some College$29,016$33,017$20,964
Bachelors Degree$43,000$58,304$27,596
Graduate Degree$26,250$$26,250

$29,574

Average Earnings

$35,818

Average Male

$22,364

Average Female

Columbia County, Washington Language

Columbia County, Washington Language by Age

Columbia County, Washington Language

92.53% of Columbia County, Washington residents speak only English, while 7.47% speak other languages. The largest non-English language is Spanish, which is spoken by 4.75% of the population.

Columbia County, Washington Poverty

Columbia County, Washington Poverty by Race

Name Total In Poverty Poverty Rate
White3,43443112.55%
Hispanic27010237.78%
Other1497348.99%
Islander2929100.00%
Multiple9988.08%
Native21523.81%
Black10220.00%

14.83%

Overall Poverty Rate

14.67%

Male Poverty Rate

14.97%

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 8.08% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 4.56%. Among those working part-time, it was 20.02%, and for those that did not work, the poverty rate was 18.75%.

Columbia County, Washington Poverty Rate by Education

Name Poverty
Less Than High School30.41%
Some College16.89%
High School9.23%
Bachelors or Greater8.47%

Columbia County, Washington Poverty Rate by Employment Status and Sex

Name Poverty
Female Unemployed79.59%
Male Unemployed48.18%
Female Employed10.99%
Male Employed4.56%

Columbia County, Washington Income

Columbia County, Washington Income by Household Type

Name Median Mean
Households$42,083$60,339
Families$53,229$74,690
Married Families$63,409$
Non Families$28,140$34,274

Columbia County, Washington Marital Status

Columbia County, Washington Marital Status

Marriage Rates

53.7%

Overall Marriage Rate

56.8%

Male Marriage Rate

50.6%

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

Columbia County, Washington Veterans

Columbia County, Washington Veterans by War

480

Number of Veterans

424

Male Veterans

56

Female Veterans

Name Veterans
Vietnam192
First Gulf War58
World War II37
Korea28
Second Gulf War27

Columbia County, Washington Veterans by Age

Name Veterans
65 to 74149
75+129
35 to 54110
55 to 6481
18 to 3411

Columbia County, Washington Veterans by Race

Name Veterans % of Total
White46815.81%
2 or More1216.44%
Hispanic31.67%

Columbia County, Washington Veterans by Education

10.92%

Veteran Poverty Rate

38.12%

Veteran Disability Rate

Columbia County, Washington Employment Status

Columbia County, Washington Employment by Age

52.6%

Labor Force Participation

47.9%

Employment Rate

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