Janesville Flag

Janesville

County:
Waseca County
County Seat:
No
Area (mi²):
30.679
State:
Minnesota

Janesville is located in Waseca County, Minnesota. Janesville has a 2025 population of 528 . Janesville is currently declining at a rate of -1.12% annually and its population has decreased by -2.4% since the most recent census, which recorded a population of 541 in 2020.

The average household income in Janesville is $126,073 with a poverty rate of 0.58%. The median age in Janesville is 50 years: 50.4 years for males, and 46.6 years for females. For every 100 females there are 96.6 males.

528
Total Population
17
Density (mi²)
-6 -1.12%
Growth

Janesville Population

Janesville Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Janesville includes 95.94% White, and smaller percentages for Asian and multiracial populations.

Population by Race

White (95.94%)

Two or more races (3.48%)

Asian (0.58%)

Race
Population
Percentage (of total)
White49695.94%
Two or more races183.48%
Asian30.58%

Janesville Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Janesville's average per capita income is $63,393. Household income levels show a median of $107,083. The poverty rate stands at 0.58%.

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$138,750-
Families$135,625$154,019
Households$107,083$126,073
Non Families$35,938$54,051

$63,393

Average Income

$107,083

Median Household Income

0.58%

Poverty Rate

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)