Lannon

County:: Waukesha County
County Seat:: No
Area (mi²):: 2.472
State:: Wisconsin

Lannon is a village located in Waukesha County, Wisconsin. Lannon has a 2025 population of 2,906. Lannon is currently growing at a rate of 11.86% annually and its population has increased by 112.74% since the most recent census, which recorded a population of 1,366 in 2020.

The average household income in Lannon is $117,514 with a poverty rate of 5.9%.The median age in Lannon is 41.9 years: 42.5 years for males, and 39.4 years for females.

Demographics

The racial composition of Lannon includes 89.63% White, 5.56% Asian, 4.14% other race, and smaller percentages for Two or more races, Native American and multiracial populations.

Population by Race

Race	Population	Percentage (of total)
White	1,322	89.63%
Asian	82	5.56%
Other race	61	4.14%
Two or more races	8	0.54%
Native American	2	0.14%

Lannon Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Lannon's average per capita income is $60,000. Household income levels show a median of $79,191. The poverty rate stands at 5.9%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.

Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.

Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.

Name	Median	Mean
Married Families	$162,250	-
Families	$155,714	$168,955
Households	$79,191	$117,514
Non Families	-	$70,447

$60,000

Average Income

$79,191

Median Household Income

5.9%

Poverty Rate