Jefferson County, Washington's estimated 2024 population is 33,858 with a growth rate of 0.43% in the past year according to the most recent United States census data. Jefferson County, Washington is the 27th largest county in Washington. The 2010 population was 29,899 and has seen a growth of 13.24% since that time.
Year | Population | Growth | Growth Rate |
|---|---|---|---|
| 2029 | 34,578 | 144 | 0.42% |
| 2028 | 34,434 | 144 | 0.42% |
| 2027 | 34,290 | 144 | 0.42% |
| 2026 | 34,146 | 144 | 0.42% |
| 2025 | 34,002 | 144 | 0.43% |
| 2024 | 33,858 | 144 | 0.43% |
| 2023 | 33,714 | 144 | 0.43% |
| 2022 | 33,570 | 17 | 0.05% |
| 2021 | 33,553 | 492 | 1.49% |
| 2020 | 33,061 | 714 | 2.21% |
| 2019 | 32,347 | 483 | 1.52% |
| 2018 | 31,864 | 600 | 1.92% |
| 2017 | 31,264 | 315 | 1.02% |
| 2016 | 30,949 | 573 | 1.89% |
| 2015 | 30,376 | 204 | 0.68% |
| 2014 | 30,172 | 151 | 0.5% |
| 2013 | 30,021 | 213 | 0.71% |
| 2012 | 29,808 | -50 | -0.17% |
| 2011 | 29,858 | -41 | -0.14% |
| 2010 | 29,899 | 0 | 0% |
| 1990 | 20,146 | 4,181 | 26.19% |
| 1980 | 15,965 | 5,304 | 49.75% |
| 1970 | 10,661 | 1,022 | 10.6% |
| 1960 | 9,639 | -1,979 | -17.03% |
| 1950 | 11,618 | 2,700 | 30.28% |
| 1940 | 8,918 | 572 | 6.85% |
| 1930 | 8,346 | 1,789 | 27.28% |
| 1920 | 6,557 | -1,780 | -21.35% |
| 1910 | 8,337 | 2,625 | 45.96% |
| 1900 | 5,712 | -2,656 | -31.74% |
| 1890 | 8,368 | 6,656 | 388.79% |
| 1880 | 1,712 | 444 | 35.02% |
| 1870 | 1,268 | 737 | 138.79% |
| 1860 | 531 | -34,047 | -98.46% |
White
Two or more races
Other race
Native American
Asian
Black or African American
Native Hawaiian or Pacific Islander
Household Type | Count | Average Size | Owner | Renter |
|---|---|---|---|---|
| All | 15,859 | 2.04 | 80.4 | 19.6 |
| Married | 7,829 | 2.51 | 89.7 | 10.3 |
| Non Family | 6,698 | 1.26 | 71.6 | 28.4 |
| Female | 888 | 3.35 | 65.7 | 34.3 |
| Male | 444 | 2.77 | 77.3 | 22.7 |
2.54
Average Family Size
2.04
Average Household Size
80.4%
Rate of Home Ownership
Married
Male
Female
NonFamily
owner
renter
Male
Female
Less Than 9th Grade
9th to 12th Grade
High School Graduate
Some College
Associates Degree
Bachelors Degree
Graduate Degree
High School Graduation Rate
Bachelors Rate
The highest rate of high school graduation is among white people with a rate of 97.72%.
The highest rate of bachelors degrees is among asian people with a rate of 51.24%.
All
Male
Female
$36,638
Average Earnings
$40,963
Average Male
$35,273
Average Female
Only English
Spanish
Other Indo-European Languages
Asian and Pacific Island Languages
Other Languages
94.21% of Jefferson County, Washington residents speak only English, while 5.79% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 2.36% of the population.
rate
13.83%
Overall Poverty Rate
12.19%
Male Poverty Rate
15.36%
Female Poverty Rate
The race most likely to be in poverty in Jefferson County, Washington is Black, with 38.6% below the poverty level.
The race least likely to be in poverty in Jefferson County, Washington is Other, with 9.24% below the poverty level.
The poverty rate among those that worked full-time for the past 12 months was 0.41%. Among those working part-time, it was 12.5%, and for those that did not work, the poverty rate was 16.7%.
Married
Widowed
Divorced
Separated
NeverMarried
55.6%
Overall Marriage Rate
57.6%
Male Marriage Rate
53.6%
Female Marriage Rate
male
female
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 45-54.
Married
Widowed
Divorced
Separated
NeverMarried
Less Than 9th Grade
High School Graduate
Some College
Bachelors or Greater
9.13%
Veteran Poverty Rate
35.16%
Veteran Disability Rate
LaborForceParticipation
43.2%
Labor Force Participation
39.2%
Employment Rate
8.4%
Unemployment Rate
LaborForceParticipation
LaborForceParticipation
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.
Europe
Asia
Africa
Oceania
Latin America
North America
39.87%
Born in Jefferson County, Washington
95.46%
Native Born
4.54%
Foreign Born
1.77%
Non Citizen
2.77%
Naturalized
95.46% of Jefferson County, Washington residents were born in the United States, with 39.87% having been born in Washington. 1.77% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Europe.