Janesville Flag

Janesville

County:
Waseca County
County Seat:
No
Area (mi²):
1.537
State:
Minnesota

Janesville is a city located in Waseca County, Minnesota. Janesville has a 2026 population of 2,462. Janesville is currently declining at a rate of -1.01% annually but its population has increased by 0.49% since the most recent census, which recorded a population of 2,450 in 2020.

The median household income in Janesville is $74,643 with a poverty rate of 3.79%. The median age in Janesville is 39.6 years: 37.6 years for males, and 43.1 years for females. For every 100 females there are 103.2 males.

2.5K
Total Population
1,601
Density (mi²)
-25 -1.01%
Growth

Janesville Population

Janesville Population

Data after 2023 is projected based on recent change

Year
Population
Growth
Annual Change
20242,462-25-1.01%
20232,487-1-0.04%
20222,488180.73%
20212,470200.82%
20202,45040.16%
20192,245-9-0.4%
20182,25480.36%
20172,246-8-0.35%
20162,254110.49%
20152,24390.4%
20142,234-2-0.09%
20132,236-21-0.93%
20122,257-2-0.09%
20112,25910.04%
20102,25840.18%

Median Age

Overall: 39.6 years
Female: 43.1 years
Male: 37.6 years

Janesville Adults

There are 1,836 adults, (432 of whom are seniors) in Janesville.

Sex Ratio

Female: 1,170 (49.2%)
Male: 1,208 (50.8%)

Demographics

The racial composition of Janesville includes 92.01% White, and smaller percentages for Asian, other race, Black or African American, Native American and multiracial populations.

Population by Race

Race
Population
Percentage (of total)
White2,18892.01%
Two or more races1235.17%
Asian271.14%
Other race190.8%
Black or African American140.59%
Native American70.29%
Race
Population
Percentage (of total)
Two or more races572.4%
White492.06%
Native American70.29%
Other race50.21%
Race
Population
Percentage (of total)
White2,13989.95%
Two or more races662.78%
Asian271.14%
Other race140.59%
Black or African American140.59%

Janesville Marital Status

Economics and Income Statistics

Janesville's average per capita income is $56,287. Household income levels show a median of $74,643. The poverty rate stands at 3.79%.

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$92,569-
Families$83,333$101,695
Households$74,643$90,815
Non Families$55,658$66,001

$56,287

Average Income

$74,643

Median Household Income

3.79%

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)