US Census Data

Jefferson County vs Kittitas County

A side-by-side comparison of Jefferson County and Kittitas County: population, income, housing, and more.

Jefferson County and Kittitas County are counties in Washington. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

Kittitas County has the higher population (44,736 vs 33,313 in Jefferson County). Jefferson County has the higher median household income ($71,143 vs $69,928 in Kittitas County). Jefferson County has the higher median home value ($495,100 vs $459,900 in Kittitas County).

Population, income & housing

Jefferson CountyKittitas County
Population33,31344,736
Median age59.5 yrs37.9 yrs
Median household income$71,143$69,928
Median home value$495,100$459,900
Median gross rent$1,291$1,253
Housing units19,35924,326
Homeownership rate79.7%62.3%
Bachelor's degree or higher43.3%35.3%
Unemployment rate7.7%5.1%

Trends (ACS 5-year, 2019–2023)

Jefferson CountyKittitas County
Population31,285 → 33,313 (+6.5%)45,897 → 44,736 (-2.5%)
Median household income$55,127 → $71,143 (+29.1%)$56,004 → $69,928 (+24.9%)
Median home value$338,000 → $495,100 (+46.5%)$286,900 → $459,900 (+60.3%)
Median gross rent$932 → $1,291 (+38.5%)$1,004 → $1,253 (+24.8%)

Jefferson County

Population
31,28533,313
Median household income
$55,127$71,143
Median home value
$338,000$495,100
Median gross rent
$932$1,291

Kittitas County

Population
45,89744,736
Median household income
$56,004$69,928
Median home value
$286,900$459,900
Median gross rent
$1,004$1,253

Age & race/ethnicity

Age distribution (share)

Jefferson CountyKittitas County
Under 52.5%4.3%
5 to 179.0%13.2%
18 to 243.7%17.1%
25 to 348.7%12.6%
35 to 449.5%11.0%
45 to 549.9%11.3%
55 to 6417.1%13.4%
65 to 7424.3%10.7%
75 and over15.3%6.5%

Race & ethnicity (share)

Jefferson CountyKittitas County
White (non-Hispanic)85.3%79.8%
Black or African American0.3%1.0%
American Indian & Alaska Native1.1%0.4%
Asian1.3%1.8%
Native Hawaiian & Pacific Islander0.1%0.1%
Some other race1.3%1.0%
Two or more races6.2%5.7%
Hispanic or Latino4.2%10.3%

Educational attainment (age 25+)

Share of adults 25+

Jefferson CountyKittitas County
No high school diploma3.9%6.9%
High school graduate19.8%27.2%
Some college or associate's33.0%30.7%
Bachelor's degree23.6%22.5%
Graduate or professional degree19.7%12.8%

Commute to work

How workers get to work (share)

Jefferson CountyKittitas County
Drove alone62.1%72.1%
Carpooled8.6%6.2%
Public transit1.5%0.4%
Walked4.4%5.8%
Bicycle0.9%0.9%
Worked from home21.5%13.2%
Other means0.9%1.3%

Housing

Units in structure (share)

Jefferson CountyKittitas County
1-unit, detached77.1%72.4%
1-unit, attached2.4%1.3%
2 to 4 units3.3%6.1%
5 to 19 units3.0%6.2%
20 or more units2.4%7.3%
Mobile home & other11.7%6.7%

Poverty & households

Jefferson CountyKittitas County
Poverty rate12.6%14.3%
Average household size2.022.19
Mean commute (minutes)2324
Median year structure built19871991

Full profiles

2

Related rankings

21
Jefferson County vs Kittitas County: Compare Population & Demographics | US Census Data