US Census Data

King William County vs Westmoreland County

A side-by-side comparison of King William County and Westmoreland County: population, income, housing, and more.

King William County and Westmoreland County are counties in Virginia. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

Westmoreland County has the higher population (18,683 vs 18,232 in King William County). King William County has the higher median household income ($85,212 vs $59,766 in Westmoreland County). King William County has the higher median home value ($276,500 vs $244,000 in Westmoreland County).

Population, income & housing

King William CountyWestmoreland County
Population18,23218,683
Median age40.5 yrs48.0 yrs
Median household income$85,212$59,766
Median home value$276,500$244,000
Median gross rent$1,246$991
Housing units7,60511,300
Homeownership rate88.8%79.1%
Bachelor's degree or higher24.3%19.7%
Unemployment rate3.5%7.5%

Trends (ACS 5-year, 2019–2023)

King William CountyWestmoreland County
Population16,688 → 18,232 (+9.3%)17,751 → 18,683 (+5.3%)
Median household income$66,987 → $85,212 (+27.2%)$53,853 → $59,766 (+11.0%)
Median home value$204,300 → $276,500 (+35.3%)$199,100 → $244,000 (+22.6%)
Median gross rent$1,061 → $1,246 (+17.4%)$948 → $991 (+4.5%)

King William County

Population
16,68818,232
Median household income
$66,987$85,212
Median home value
$204,300$276,500
Median gross rent
$1,061$1,246

Westmoreland County

Population
17,75118,683
Median household income
$53,853$59,766
Median home value
$199,100$244,000
Median gross rent
$948$991

Age & race/ethnicity

Age distribution (share)

King William CountyWestmoreland County
Under 56.4%5.0%
5 to 1716.6%13.2%
18 to 247.1%5.9%
25 to 3413.6%12.4%
35 to 4413.2%8.8%
45 to 5412.5%11.8%
55 to 6414.1%16.5%
65 to 7410.7%15.3%
75 and over5.8%11.1%

Race & ethnicity (share)

King William CountyWestmoreland County
White (non-Hispanic)77.0%62.6%
Black or African American15.3%23.7%
American Indian & Alaska Native0.8%0.1%
Asian0.7%1.1%
Native Hawaiian & Pacific Islander0.1%0.0%
Some other race0.0%0.7%
Two or more races3.1%5.5%
Hispanic or Latino3.1%6.2%

Educational attainment (age 25+)

Share of adults 25+

King William CountyWestmoreland County
No high school diploma6.4%15.9%
High school graduate36.7%40.4%
Some college or associate's32.6%24.0%
Bachelor's degree18.1%11.5%
Graduate or professional degree6.1%8.2%

Commute to work

How workers get to work (share)

King William CountyWestmoreland County
Drove alone79.2%76.8%
Carpooled7.1%8.5%
Public transit0.1%0.6%
Walked0.1%0.6%
Bicycle0.0%0.8%
Worked from home11.9%12.1%
Other means1.6%0.6%

Housing

Units in structure (share)

King William CountyWestmoreland County
1-unit, detached92.6%87.3%
1-unit, attached2.0%1.7%
2 to 4 units0.6%1.1%
5 to 19 units0.5%1.7%
20 or more units1.7%0.3%
Mobile home & other2.6%7.9%

Poverty & households

King William CountyWestmoreland County
Poverty rate7.9%13.8%
Average household size2.552.31
Mean commute (minutes)3742
Median year structure built19951983

Full profiles

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King William County vs Westmoreland County: Compare Population & Demographics | US Census Data