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 2026 population of 2,687. Janesville is currently growing at a rate of 3.07% annually and its population has decreased by 0% since the most recent census, which recorded a population of 0 in 2020.

The median household income in Janesville is $78,466 with a poverty rate of 7.54%. The median age in Janesville is 52.4 years: 55.7 years for males, and 51.5 years for females. For every 100 females there are 117.5 males.

2.7K
Total Population
79
Density (mi²)
80 3.07%
Growth

Janesville Population

Janesville Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
20262,687803.07%
20252,607803.17%

Median Age

Overall: 52.4 years
Female: 51.5 years
Male: 55.7 years

Janesville Adults

There are 2,060 adults, (551 of whom are seniors) in Janesville.

Sex Ratio

Female: 1,103 (46%)
Male: 1,296 (54%)

Demographics

The racial composition of Janesville includes 78.37% White, 10.17% other race, and smaller percentages for Native American and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White1,88078.37%
Other race24410.17%
Two or more races2118.8%
Native American642.67%
Race
Population ↓
Percentage (of total)
Other race24410.17%
Two or more races572.38%
Native American471.96%
Race
Population ↓
Percentage (of total)
White1,88078.37%
Two or more races1546.42%
Native American170.71%

Janesville Marital Status

Economics and Income Statistics

Janesville 's average per capita income is $37,984. Household income levels show a median of $78,466. The poverty rate stands at 7.54%.

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$81,786-
Families$78,778$93,621
Households$78,466$89,159
Non Families-$75,814

$37,984

Average Income

$78,466

Median Household Income

7.54%

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)