Quincy Flag

Quincy

County:
Plumas County
County Seat:
Yes
Area (mi²):
4.224
State:
California

Quincy is a CDP located in Plumas County, California. Quincy has a 2026 population of 1,546. It is also the county seat of Plumas County. Quincy is currently declining at a rate of -0.71% 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 Quincy is $89,000 with a poverty rate of 9.19%. The median age in Quincy is 59.2 years: 53.8 years for males, and 61.4 years for females. For every 100 females there are 74.9 males.

1.5K
Total Population
366
Density (mi²)
-11 -0.71%
Growth

Quincy Population

Quincy Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
20261,546-11-0.71%
20251,557-12-0.76%

Median Age

Overall: 59.2 years
Female: 61.4 years
Male: 53.8 years

Quincy Adults

There are 1,259 adults, (371 of whom are seniors) in Quincy.

Sex Ratio

Female: 753 (57.2%)
Male: 564 (42.8%)

Demographics

The racial composition of Quincy includes 79.2% White, 12.3% Black or African American, and smaller percentages for Native American, other race and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White1,04379.2%
Black or African American16212.3%
Two or more races574.33%
Native American322.43%
Other race231.75%
Race
Population ↓
Percentage (of total)
Black or African American937.06%
Native American322.43%
Other race231.75%
Two or more races151.14%
Race
Population ↓
Percentage (of total)
White1,04379.2%
Black or African American695.24%
Two or more races423.19%

Quincy Marital Status

Economics and Income Statistics

Quincy 's average per capita income is $52,042. Household income levels show a median of $89,000. The poverty rate stands at 9.19%.

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$145,192-
Families$107,054$155,149
Households$89,000$108,313
Non Families-$65,208

$52,042

Average Income

$89,000

Median Household Income

9.19%

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)