Plainville Flag

Plainville

County Seat:
No
Area (mi²):
9.707
State:
Connecticut

Plainville is located in Capitol Planning Region, Connecticut. Plainville has a 2026 population of 18,067. Plainville is currently growing at a rate of 0.87% annually and its population has increased by 3.49% since the most recent census, which recorded a population of 17,457 in 2020.

The median household income in Plainville is $84,343 with a poverty rate of 6.49%. The median age in Plainville is 44.3 years: 42.6 years for males, and 47.5 years for females. For every 100 females there are 100.8 males.

18.1K
Total Population
1,861
Density (mi²)
155 0.87%
Growth

Plainville Population

Plainville Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
202618,0671550.87%
202517,9121550.87%
202417,7571550.88%
202317,6021180.67%
202217,484110.06%
202117,473160.09%
202017,457-73-0.42%
201917,542-57-0.32%
201817,599-11-0.06%
201717,610-84-0.47%
201617,694-64-0.36%
201517,758-6-0.03%
201417,764-19-0.11%
201317,783-13-0.07%
201217,796640.36%
201117,732160.09%
201017,68490.05%

Median Age

Overall: 44.3 years
Female: 47.5 years
Male: 42.6 years

Plainville Adults

There are 14,817 adults, (3,520 of whom are seniors) in Plainville.

Sex Ratio

Female: 8,739 (49.8%)
Male: 8,812 (50.2%)

Demographics

The racial composition of Plainville includes 79.45% White, 4.01% Asian, 3.49% other race, and smaller percentages for Black or African American, Native Hawaiian or Pacific Islander, Native American and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White13,94579.45%
Two or more races1,87610.69%
Asian7044.01%
Other race6133.49%
Black or African American3552.02%
Native Hawaiian or Pacific Islander360.21%
Native American220.13%
Race
Population ↓
Percentage (of total)
Two or more races1,1826.73%
Other race4832.75%
White2541.45%
Black or African American160.09%
Native Hawaiian or Pacific Islander70.04%
Race
Population ↓
Percentage (of total)
White13,69178.01%
Asian7044.01%
Two or more races6943.95%
Black or African American3391.93%
Other race1300.74%
Native Hawaiian or Pacific Islander290.17%
Native American220.13%

Plainville Marital Status

Economics and Income Statistics

Plainville 's average per capita income is $61,301. Household income levels show a median of $84,343. The poverty rate stands at 6.49%.

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$130,902-
Families$115,656$135,033
Households$84,343$104,619
Non Families$52,066$68,808

$61,301

Average Income

$84,343

Median Household Income

6.49%

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)