United States › Washington › Jefferson County COUNTY · 1990 CENSUS
Jefferson County Washington · 20,146 residents · 1,804 sq mi
Time machine
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The short version
Jefferson County is home to 20,146 people in Washington. The median age is 41.1, about 8 years above the US median. 74% of homes are owner-occupied. The population has fallen 22% since 2000. That trails the Washington median by roughly 19%. The median household earns $25,197, about 16% below the national median.
At a glance
Lower income
below the US median
US median: $30,130
Older
median age 41.1
US median: 33.0
Average education
22% hold a bachelor's degree
US average: 20%
More affordable
home values down 26%, inflation adjusted
US median home: $93,722
Section 01
Population & growth vs 47.1 in 2000
US average: 33.0
Population, 1990 – 2024
19K 23K 27K 31K 35K 1990 2000 2010 2020 2024 Jefferson County Age distribution, 1990
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02
Income & economy $25,197
−12%inflation adjusted, since 2000
vs $37,869 in 2000
US average: $30,130
vs $22,211 in 2000
US average: $14,340
vs 11.3% in 2000
US average: 13.2%
$89,000
−26%inflation adjusted, since 2000
vs $157,400 in 2000
US average: $93,722
$384
−15%inflation adjusted, since 2000
vs $595 in 2000
US average: $450
vs 76.2% in 2000
26.1% rent
Section 04
Race & ethnicity 2000
White, non-Hispanic 91%(23,628)
Hispanic / Latino 2.1%(535)
1990
White, non-Hispanic 95.4%(19,216)
Hispanic / Latino 1.1%(223)
No data for the years selected.
Section 04 · Origins
Detailed origins & ancestry Detailed origin tables are available for 2024; showing 2024 data.
Ancestry
+ 34 more ancestry groups with data vs 28.4% in 2000
US average: 20.3%
High school or higher
vs 91.6% in 2000
US average: 75.2%
vs 10.5% in 2000
US average: 7.1%
Section 06
Commute & transportation vs 18.9 min in 2000
US average: 21.9
Section 07
Work & employment No data for the years selected.
Section 08
People & community No data for the years selected.
Marital status (2024)
Men 15+
Never married 22.6%(3,337)
Women 15+
Never married 18.8%(2,961)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
Section 09
Health coverage Showing 2024 (the nearest year with coverage data).
from 14.6% in 2013
US average: 8.4%
from 40.8% in 2020
US average: 54.8%
Direct-purchase
from 28.2% in 2020
US average: 13.8%
from 39.1% in 2020
US average: 18.4%
from 18.6% in 2020
US average: 20.9%
VA health care
from 4.9% in 2020
US average: 2.2%
Any private
from 66.5% in 2020
US average: 67.1%
Any public
from 54.4% in 2020
US average: 36.7%
Shares are "alone or in combination": a person with both Medicare and Medicaid counts in each, so categories overlap and do not sum to 100%.
Section 09 · Service history
Veterans Veterans by period of service, 2024
Gulf War (2001 or later) 19.5%(677)
Gulf War (1990s) 18.3%(633)
Share of the 3,465 veterans here. A veteran who served across eras counts in each, so shares can total more than 100%. Peacetime-only service is included in the total but not shown as an era.
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Drill deeper
Places similar to Jefferson County Head to head
Compare Jefferson County to nearby counties JEFFERSON COUNTY VS
Clallam County
Income $70,370 +179%
Home value $421,800 +374%
Population 78,202 +130%
SEE FULL COMPARISON →
JEFFERSON COUNTY VS
Mason County
Income $83,270 +230%
Home value $411,800 +363%
Population 71,165 +109%
SEE FULL COMPARISON →
JEFFERSON COUNTY VS
Kitsap County
Income $104,158 +313%
Home value $555,100 +524%
Population 283,374 +734%
SEE FULL COMPARISON →
JEFFERSON COUNTY VS
Island County
Income $90,551 +259%
Home value $593,300 +567%
Population 85,657 +152%
SEE FULL COMPARISON →
Frequently asked
How many people live in Jefferson County, Washington? Jefferson County, Washington has about 20,146 residents according to the 1990 Census.
What is the median household income in Jefferson County, Washington? The typical household in Jefferson County, Washington earns about $25,197 a year. Half of households make more than that, and half make less.
Is Jefferson County, Washington expensive? In Jefferson County, Washington, the median home is worth about $89,000, and the typical rent is about $384 a month.
How educated are people in Jefferson County, Washington? About 21.8% of adults age 25 and over in Jefferson County, Washington hold a bachelor's degree or higher.
What is the poverty rate in Jefferson County, Washington? About 13.5% of people in Jefferson County, Washington live below the federal poverty line.
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