Plainfield Flag

Plainfield

County:
Sullivan County
County Seat:
No
Area (mi²):
0.578
State:
New Hampshire

Plainfield is a CDP located in Sullivan County, New Hampshire. Plainfield has a 2025 population of 173 . Plainfield is currently declining at a rate of -1.14% annually and its population has decreased by -34.72% since the most recent census, which recorded a population of 265 in 2020.

The average household income in Plainfield is $132,558 with a poverty rate of 0%. The median age in Plainfield is 51.6 years: 60.3 years for males, and 31.9 years for females. For every 100 females there are 76.9 males.

173
Total Population
299
Density (mi²)
-2 -1.14%
Growth

Plainfield Population

Plainfield Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Plainfield includes 94.51% White, 4.22% Black or African American, and smaller percentages for Two or more races and multiracial populations.

Population by Race

White (94.51%)

Black or African American (4.22%)

Two or more races (1.27%)

Race
Population
Percentage (of total)
White22494.51%
Black or African American104.22%
Two or more races31.27%

Plainfield Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Plainfield's average per capita income is $74,688. Household income levels show a median of $105,750. The poverty rate stands at 0%.

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
Non Families$192,875$154,076
Households$105,750$132,558
Married Families$104,615-
Families$104,231$115,777

$74,688

Average Income

$105,750

Median Household Income

0%

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)