Janesville Flag

Janesville

County:
Lassen County
County Seat:
No
Area (mi²):
33.814
State:
California

Janesville is a CDP located in Lassen County, California. Janesville has a 2025 population of 2,949. Janesville is currently growing at a rate of 3.62% annually and its population has increased by 5.21% since the most recent census, which recorded a population of 2,803 in 2020.

The average household income in Janesville is $85,504 with a poverty rate of 6.7%.The median age in Janesville is 52.5 years: 56.1 years for males, and 51.3 years for females.

2.9K
Total Population
87
Density (mi²)
103 3.62%
Growth

Janesville Population

Janesville Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Janesville includes 82.43% White, 9.24% other race, and smaller percentages for Native American, Asian and multiracial populations.

Population by Race

Race
Population
Percentage (of total)
White2,01782.43%
Other race2269.24%
Two or more races1315.35%
Native American612.49%
Asian120.49%

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 $43,170. Household income levels show a median of $70,938. The poverty rate stands at 6.7%.

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$100,893-
Families$77,125$90,646
Households$70,938$85,504
Non Families$48,917$69,933

$43,170

Average Income

$70,938

Median Household Income

6.7%

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)