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COUNTY · 2000 CENSUS

Jefferson County

Washington · 25,953 residents · 1,803.728 sq mi
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The short version

Jefferson County has lower-than-average household income, with a median household income of $37,869. Population has grown 29% since 1990. Median home value has risen by half since 1990, reaching $157,400. With a median age of 47.1, the population is older than the US median of 35.2.

At a glance
Lower income
below the US median
US median: $42,589
Older
median age 47.1
US median: 35.2
More educated
28% hold a bachelor's degree
US average: 24%
Less affordable
home values up 34%, inflation adjusted
US median home: $120,530
Section 01

Population & growth

Total population
25,953
+29%since 1990
from 20,146 in 1990
1990 – 2025
Median age
47.1
+15%since 1990
from 41.1 in 1990
US average: 35.2
Population, 1990 – 2024
19K23K27K31K35K1990201020202024Jefferson County
202434K
1990201020202024
Age distribution, 2000
Under 54.1%(1,059)
US avg: 6.8%
5 to 95.4%(1,409)
US avg: 7.3%
10 to 146.3%(1,640)
US avg: 7.3%
15 to 195.9%(1,519)
US avg: 7.2%
20 to 243.1%(801)
US avg: 6.7%
25 to 347.6%(1,974)
US avg: 14.2%
35 to 4414%(3,631)
US avg: 16%
45 to 5418.4%(4,775)
US avg: 13.4%
55 to 6414.1%(3,664)
US avg: 8.6%
65 to 7411.7%(3,032)
US avg: 6.5%
75 to 847.3%(1,903)
US avg: 4.4%
85 and over2.1%(546)
US avg: 1.5%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02

Income & economy

Median household income
$37,869
+14%inflation adjusted, since 1990
from $25,197 in 1990
US average: $42,589
1990 – 2024
Per capita income
$22,211
+64%since 1990
from $13,551 in 1990
US average: $21,522
Poverty rate
11.3%
−2.2 ptssince 1990
from 13.5% in 1990
US average: 12.4%
Section 03

Housing

Median home value
$157,400
+34%inflation adjusted, since 1990
from $89,000 in 1990
US average: $120,530
1990 – 2024
Median gross rent
$595
+18%inflation adjusted, since 1990
from $384 in 1990
US average: $602
Owner-occupied
76.2%
+2.3 ptssince 1990
from 73.9% in 1990
23.8% rent
RELATED:See current rent listings in Jefferson County on RentDataNow
Section 04

Race & ethnicity

1990
White, non-Hispanic95.4%(19,216)
Black0.3%(57)
Hispanic / Latino1.1%(223)
Asian1.1%(216)
2000
White, non-Hispanic91%(23,628)
Black0.4%(103)
Hispanic / Latino2.1%(535)
Asian1.2%(300)

No data for the years selected.

Section 04 · Origins

Detailed origins & ancestry

Detailed origin tables are available for 2024; showing 2024 data.

Hispanic origin
Mexican2.5%(847)
Costa Rican0.3%(112)
Spaniard0.3%(92)
Puerto Rican0.2%(61)
Uruguayan0.1%(47)
Chilean0.1%(20)
Peruvian0%(16)
Cuban0%(14)
Argentine0%(13)
Asian origin
Japanese0.3%(116)
Filipino0.3%(115)
Chinese0.2%(76)
Taiwanese0.1%(38)
Korean0.1%(35)
Thai0.1%(21)
Vietnamese0.1%(21)
Pacific Islander origin
Chamorro0.1%(23)
Samoan0%(7)
Fijian0%(4)
Ancestry
English19.8%(6,644)
German17%(5,692)
Irish15.9%(5,353)
Scottish5.1%(1,714)
Norwegian4.8%(1,611)
Italian4.7%(1,576)
Swedish4.5%(1,508)
American3.9%(1,295)
French3.4%(1,137)
Polish2.6%(859)
Dutch2.1%(703)
Welsh1.9%(631)
+ 34 more ancestry groups with data
Scotch-Irish1.8%(618)
Danish1.6%(523)
Finnish1.4%(473)
Russian1.3%(441)
British1.1%(353)
Czech1%(336)
Swiss0.7%(227)
Lithuanian0.6%(187)
Canadian0.5%(171)
Austrian0.5%(164)
Croatian0.4%(146)
Portuguese0.4%(142)
Hungarian0.4%(137)
Greek0.4%(126)
Ukrainian0.3%(97)
Brazilian0.3%(85)
Slovak0.2%(66)
Arab0.2%(54)
Belgian0.1%(48)
Lebanese0.1%(43)
Armenian0.1%(37)
Nigerian0.1%(35)
Romanian0.1%(31)
West Indian0.1%(22)
Jamaican0.1%(18)
Iranian0%(15)
Latvian0%(10)
Ethiopian0%(10)
Turkish0%(9)
RANKED:Largest English population · Largest German population · Largest Irish population · Largest Scottish population · Largest Norwegian population
Section 05

Education

Bachelor's degree or higher
28.4%
+6.6 ptssince 1990
from 21.8% in 1990
US average: 24.4%
High school or higher
91.6%
+8.9 ptssince 1990
from 82.7% in 1990
US average: 80.3%
Graduate degree
10.5%
+4.3 ptssince 1990
from 6.2% in 1990
US average: 8.8%
Section 06

Commute & transportation

Average commute
18.9 min
−9%since 1990
from 20.7 min in 1990
US average: 17.6
Section 07

Work & employment

No data for the years selected.

Section 08

People & community

No data for the years selected.

Marital status
Men 15+
Never married20.2%(2,154)
Married61.5%(6,569)
Widowed3.7%(397)
Divorced14.6%(1,555)
Women 15+
Never married12.5%(1,391)
Married59.6%(6,633)
Widowed12.4%(1,377)
Divorced15.5%(1,723)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2000
Drill deeper

Places similar to Jefferson County

Gilmer County
Pop 33,894
Haralson County
Pop 33,066
Morgan County
Pop 30,306
Lumpkin County
Pop 36,178
Places similar to Jefferson County
Head to head

Compare Jefferson County to nearby counties

JEFFERSON COUNTY VS
Clallam County
Income$70,370+86%
Home value$421,800+168%
Population78,202+130%
SEE FULL COMPARISON →
JEFFERSON COUNTY VS
Mason County
Income$83,270+120%
Home value$411,800+162%
Population71,165+109%
SEE FULL COMPARISON →
JEFFERSON COUNTY VS
Kitsap County
Income$104,158+175%
Home value$555,100+253%
Population283,374+734%
SEE FULL COMPARISON →
JEFFERSON COUNTY VS
Island County
Income$90,551+139%
Home value$593,300+277%
Population85,657+152%
SEE FULL COMPARISON →
Frequently asked

How many people live in Jefferson County, Washington?

Jefferson County, Washington has about 25,953 residents according to the 2000 Census.

What is the median household income in Jefferson County, Washington?

The typical household in Jefferson County, Washington earns about $37,869 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 $157,400, and the typical rent is about $595 a month.

How educated are people in Jefferson County, Washington?

About 28.4% 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 11.3% of people in Jefferson County, Washington live below the federal poverty line.

Has Jefferson County, Washington grown since 1990?

Yes, Jefferson County, Washington has grown since 1990. The population has added about 5,807 residents, a change of about 29 percent over that period.

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Explore from here

11 census tracts
Census Tract 9505.01Census Tract 9504Census Tract 9503.01Census Tract 9506.02Census Tract 9506.04Census Tract 9506.03Census Tract 9503.02Census Tract 9505.02Census Tract 9502.02Census Tract 9507.02Census Tract 9900
8 ZIP codes
ZIP 98368ZIP 98331ZIP 98365ZIP 98339ZIP 98376ZIP 98325ZIP 98320ZIP 98358
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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024

How we source and harmonize this data →