Jefferson County, Washington Population 2018

Jefferson County, Washington's estimated population is 31,234 with a growth rate of 2.97% in the past year according to the most recent United States census data. Jefferson County, Washington is the 27th largest county in Washington.

Year Population Growth Growth Rate
201731,2349012.97%
201630,333-576-1.86%
201630,9095591.84%
201530,3502150.71%
201430,1351450.48%
201329,9902080.70%
201229,782-53-0.18%
201129,835-52-0.17%
201029,8879,74148.35%
199020,1464,18126.19%
198015,9655,30449.75%
197010,6611,02210.60%
19609,639-1,979-17.03%
195011,6182,70030.28%
19408,9185726.85%
19308,3461,78927.28%
19206,557-1,780-21.35%
19108,3372,62545.96%
19005,712-2,656-31.74%
18908,3686,656388.79%
18801,71244435.02%
18701,268737138.79%
18605310.00%

Jefferson County, Washington Population Growth

Population Data via

Population by Race

Race Population
White27,602
Two or More Races1,120
American Indian and Alaska Native607
Asian482
Black or African American278
Some Other Race200
Native Hawaiian and Other Pacific Islander44

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

Jefferson County, Washington Population Pyramid 2018

0%2%4%6%8%10%12% Male Population0%2%4%6%8%10%12% Female Population80757065605550454035302520151050

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

Jefferson County, Washington Median Age

56.2


Total

55.3


Male

57.4


Female

Jefferson County, Washington Adults

There are 26,177 adults, (9,585 of which are seniors) in Jefferson County, Washington.

Jefferson County, Washington Age Dependency

82.9

Age Dependency Ratio

57.9

Old Age Dependency Ratio

25

Child Dependency Ratio

Jefferson County, Washington Sex Ratio

Female

15,457

50.96%

Male

14,876

49.04%

Jefferson County, Washington Households and Families

Jefferson County, Washington Renter vs Owner Occupied by Household Type

Jefferson County, Washington Household Types

Type Owner Renter
Married82.8%17.2%
All73.9%26.1%
Male68.1%31.9%
Female66.5%33.5%
Non Family63.4%36.6%

73.9%

Rate of Home Ownership

Jefferson County, Washington Households by Type

Type Count Average Size Owned
All13,5612.1873.9
Married7,1392.6782.8
Non Family5,1931.2663.4
Female8023.0766.5
Male4273.4668.1

2.67

Average Family Size

2.18

Average Household Size

6.8%

Unmarried (Opposite Sex)

0.1%

Unmarried (Same Sex)

Jefferson County, Washington Households

Jefferson County, Washington Education

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

Education Attained Count Percentage
Less Than 9th Grade3991.62%
9th to 12th Grade9533.87%
High School Graduate5,43422.08%
Some College6,60226.83%
Associates Degree1,6756.81%
Bachelors Degree5,62622.87%
Graduate Degree3,91615.92%

Jefferson County, Washington Educational Attainment by Race

Name Total High School Bachelors
White22,45221,4409,032
Hispanic631598210
Multiple Races607469145
Native American40132929
Asian35826698
Black14414228
Other Race1421244
Islander4136

The highest rate of high school graduation is among black people with a rate of 98.61%.

The highest rate of bachelors degrees is among black people with a rate of 40.23%.

Jefferson County, Washington Earnings by Educational Attainment

Name Average Male Female
Overall$27,052$31,003$22,904
Less Than High School$23,244$25,533$22,832
High School Grad$25,487$30,114$20,017
Some College$25,848$30,199$23,635
Bachelors Degree$29,669$36,186$25,331
Graduate Degree$36,935$43,750$33,590

$27,052

Average Earnings

$31,003

Average Male

$22,904

Average Female

Jefferson County, Washington Language

Jefferson County, Washington Language by Age

Jefferson County, Washington Language

95.47% of Jefferson County, Washington residents speak only English, while 4.53% speak other languages. The largest non-English language is Spanish, which is spoken by 2.01% of the population.

Jefferson County, Washington Poverty

Jefferson County, Washington Poverty by Race

Name Total In Poverty Poverty Rate
White26,4382,72110.29%
Hispanic93826428.14%
Native55023342.36%
Multiple99718918.96%
Black19014978.42%
Other1455135.17%
Asian455183.96%
Islander10220.00%

12.02%

Overall Poverty Rate

10.70%

Male Poverty Rate

13.25%

Female Poverty Rate

Poverty in Jefferson County, Washington

The race most likely to be in poverty in Jefferson County, Washington is Black, with 78.42% below the poverty level.

The race least likely to be in poverty in Jefferson County, Washington is Asian, with 3.96% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 0.98%. Among those working part-time, it was 13.45%, and for those that did not work, the poverty rate was 14.11%.

Jefferson County, Washington Poverty Rate by Education

Name Poverty
Less Than High School19.42%
High School11.82%
Some College10.22%
Bachelors or Greater7.58%

Jefferson County, Washington Poverty Rate by Employment Status and Sex

Name Poverty
Male Unemployed23.69%
Female Employed8.95%
Female Unemployed7.59%
Male Employed5.21%

Jefferson County, Washington Income

Jefferson County, Washington Income by Household Type

Name Median Mean
Households$50,928$66,589
Families$65,196$79,731
Married Families$71,553$
Non Families$27,507$43,575

Jefferson County, Washington Marital Status

Jefferson County, Washington Marital Status

Marriage Rates

55.9%

Overall Marriage Rate

55.7%

Male Marriage Rate

56.0%

Female Marriage Rate

Jefferson County, Washington Married by Age and Sex

Jefferson 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 55To64.

Jefferson County, Washington Marital Status by Race

Jefferson County, Washington Veterans

Jefferson County, Washington Veterans by War

4,297

Number of Veterans

3,894

Male Veterans

403

Female Veterans

Name Veterans
Vietnam2,281
First Gulf War460
Korea418
Second Gulf War364
World War II220

Jefferson County, Washington Veterans by Age

Name Veterans
65 to 741,673
75+1,091
55 to 641,086
35 to 54324
18 to 34123

Jefferson County, Washington Veterans by Race

Name Veterans % of Total
White4,10316.97%
2 or More13117.61%
Hispanic577.71%
Indian357.23%
Black2615.95%
Asian20.55%

Jefferson County, Washington Veterans by Education

6.95%

Veteran Poverty Rate

31.61%

Veteran Disability Rate

Jefferson County, Washington Employment Status

Jefferson County, Washington Employment by Age

47.7%

Labor Force Participation

44.2%

Employment Rate

7.2%

Unemployment Rate

Jefferson County, Washington Employment by Race

Jefferson County, Washington Employment by Education

Population of Cities in Jefferson County, Washington

City 2010 Census 2016 Estimated Growth Growth Rate
Port Townsend911395274144.54%
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