Plainfield, NH demographics:
population, income, and more

Total population
220
-7.2% year-over-year change
Median household income
$109,500/yr
3.5% year-over-year change
Housing units
74
-6.3% year-over-year change

Plainfield population

How many people live in Plainfield

Plainfield is home to 220 residents, according to the most recent Census data. Gender-wise, 47.7% of Plainfield locals are male, and 52.3% are female.

Total population
220
-7.2% year-over-year change
Gender ratio
Male
47.7%
105
Female
52.3%
115
Value Percent YoY change
Male 105 47.7% 1.9%
Female 115 52.3% -14.2%
A higher population often means more rental variety and livelier areas. The gender balance—how many men live here compared to women—can reveal a lot about the community and the lifestyles of its residents. Use this info to get a sense of the area's pace and personality.

Age demographics

The median age in Plainfield is 32, with the population distributed as follows: about 22.3% are children under 15, then 9.1% are in the 15 to 24 age group. Adults between 25 and 44 make up 20% of the population, while another 22.7% fall into the 45 to 64 bracket. Finally, around 25.9% are 65 or older.

Median age
31.8
Age breakdown
Under 15
22.3%
15 to 24
9.1%
25 to 44
20%
45 to 64
22.7%
Over 65
25.9%
Value Percent YoY change
Under 15 49 22.3% -2.0%
15 to 24 20 9.1% -9.1%
25 to 44 44 20% 18.9%
45 to 64 50 22.7% -18.0%
Over 65 57 25.9% -14.9%
The age composition helps you get insight into who lives in the area. A younger population might mean a more active, fast-paced vibe, while an older one could suggest a quieter, slower lifestyle. If there's a balanced makeup, you’re likely to find a variety of services, housing types, and community spaces that cater to different life stages.

Racial makeup

In Plainfield, 94.6% of the population are US-born citizens, while 5.4% have gained naturalized citizenship. There’s also a share of 5.4% that includes residents with two or more races.

Citizenship
U.S.-born citizens
94.6%
Non-U.S.-born citizens
5.4%
Non-citizens
0%
Value Percent YoY change
U.S.-born citizens 208 94.6% -7.1%
Non-U.S.-born citizens 12 5.4% -7.7%
Racial breakdown
White
90.4%
Black or African American
4.1%
American Indian and Alaska Native
0%
Asian
0%
Native Hawaiian and other Pacific Islander
0%
Two or more races
5.4%
Other
0%
Value Percent
White 199 90.4%
Black or African American 9 4.1%
Two or more races 12 5.4%

Households in Plainfield

A peek inside Plainfield households

Plainfield has 74 households, with an average of 3 members in each. Of these, 71.6% are families, while the remaining 28.4% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
74
-6.3% year-over-year change
Average people per household
3
Non-family households
21
Family households
53
Value Percent YoY change
Non-family households 21 28.4% 23.5%
Family households 53 71.6% -14.5%
The mix between family and non-family households gives a glimpse into daily life. A higher percentage of families might mean more parks and schools, while more non-family setups can mean flexible housing and diverse living styles. For renters, this can signal what kinds of homes are common and can help you figure out if the area matches your lifestyle.

Housing in Plainfield

The housing landscape of Plainfield

Plainfield's housing consists of 74 units, with 60.8% being detached single-family homes ideal for those wanting space. Attached options, including duplexes and townhouses, make up 8.1% and offer a more compact, shared living style.

Housing units
74
-6.3% year-over-year change
Housing types
Value Percent
1 unit, detached 45 60.8%
1 unit, attached 6 8.1%
2 units 12 16.2%
10 to 19 units 11 14.9%
Homes built since 2020
0
% year-over-year change

The age of buildings in Plainfield

In Plainfield, the median construction year is 1943. About 48.6% of homes were built before the 1940s, with another 5.4% going up by 1949. Most development happened in the second half of the 20th century.

Construction year breakdown by decade
Value Percent YoY change
Built in 1939 or earlier 36 48.6% 5.9%
Built between 1940 and 1949 4 5.4% 0.0%
Built between 1950 and 1959 3 4% -66.7%
Built between 1970 and 1979 17 23% 54.5%
Built between 1980 and 1989 10 13.5% 100.0%
Built between 2000 and 2009 4 5.4% 33.3%
As a renter, knowing when homes were built helps you understand the potential condition and design of rental units. Newer builds may have more contemporary layouts, while older homes can offer character or larger lots, depending on the area.

Plainfield occupancy rates

Out of the 74 occupied housing units in Plainfield, 56.8% are owner-occupied, while 43.2% are lived in by tenants.

Occupied housing units
74
-6.3% year-over-year change
Occupancy breakdown
Renter occupied
32
Owner occupied
42
Value Percent YoY
change
Renter occupied 32 43.2% 10.3%
Owner occupied 42 56.8% -16.0%
Unoccupied housing units
0.0%
Unoccupied housing units refer to homes that are currently without residents—whether they're waiting for renters or owners, used seasonally, or simply unclaimed. A higher share of empty homes may mean more housing availability, while a low number can reflect a tighter market with more competition. This, along with the renter-vs.-owner mix, helps paint a clearer picture of what types of housing and services are likely to be available in the area.

Plainfield housing costs

Housing costs in Plainfield come to a median of $1,515 per month, while tenants specifically pay a median gross rent of $1,600.

Median housing costs per month
$1,515/month
This figure sums up typical monthly housing costs for all households in the area. If you own, it includes mortgage payments in addition to property taxes, insurance and HOA fees. If you rent, it accounts for rent plus extras like utilities. It’s useful for seeing how local living expenses stack up compared to other places.
Median gross rent in Plainfield
$1,600/month
Gross rent gives a more complete look at what renters actually pay, including not just base rent, but also utilities and fees. It’s a key number for evaluating rental affordability in your area of interest and understanding how it compares to nearby locations.

Education in Plainfield

Plainfield education at a glance

About 53.7% of the population in Plainfield went to high school, while 11.1% pursued college studies. Another 5.6% earned an associate degree and 22.2% hold a bachelor’s. Meanwhile, 7.4% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
High school diploma 87 53.7% -7.5%
College diploma 18 11.1% -30.8%
Associate degree 9 5.6% -43.8%
Bachelor's degree 36 22.2% 28.6%
Graduate degree 12 7.4% -7.7%
A community’s education mix can offer insights into the local economy and housing market. Higher levels of education often align with more job opportunities and stable incomes, which can increase demand for homes and influence both rent prices and rental availability.

Income in Plainfield

How much people earn in Plainfield

The average annual household income in Plainfield was $129,519 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a -2.3% change from the previous year. At the same time, the median income stood at $109,500, reflecting a +3.6% shift over the same period.

Average household income in Plainfield
$129,519/year
-2.3% year-over-year change
Median household income in Plainfield
$109,500/year
3.5% year-over-year change

Plainfield income by age

Those with someone between 45 and 64 in charge, often well established professionally, earn $152,813 overall. Overall, 100% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
45 - 64 $152,813 17.3%
Over 65 $125,625 19.4%
Above poverty level
220
Below poverty level
0
Value Percent YoY
change
Above poverty level 220 100% -7.2%

Employment in Plainfield

Workforce and job types in Plainfield

The job market in Plainfield is powered by 116 working residents, spread across a range of industries and roles. 76.7% of the working population are employed in professional or administrative positions, while 23.3% are in hands-on or service-based jobs. Also, 2.6% run their own businesses, 89.7% are employed by private companies, and 3.4% work in the public sector.

Workforce demographics

Working population
116
4.5% year-over-year change
White collar
89
Blue collar
27
Value Percent YoY change
White collar 89 76.7% -3.3%
Blue collar 27 23.3% 42.1%
Employer type
Self employees
2.6%
Private companies
89.7%
Governmental workers
3.4%
Not for profit companies
4.3%
Value Percent YoY change
Self employees 3 2.6% 0.0%
Private companies 104 89.7% 14.3%
Governmental workers 4 3.4% 33.3%
Not for profit companies 5 4.3% -64.3%

Transportation in Plainfield

How people get around in Plainfield

Means of transportation
Value Percent YoY change
Car 109 94% 3.8%
Understanding how locals get to work can help you plan your own routine. High car usage might mean you’ll need a vehicle, while strong public transit or walkability could save you the hassle. Commute times also play a big role in quality of life—shorter trips can give you more time for the things you enjoy.

What is the median and average household income in Plainfield by zipcode?

Zipcode Population Number of households Median income Average income
03770 604 198 $153,750 $277,366
03781 1,918 695 $109,659 $141,882

Explore more communities

FAQs about Plainfield demographics 

What is the total population of Plainfield?

Plainfield has a total population of 220 residents, according to the latest release from the U.S. Census Bureau: the 2019-2023 American Community Survey (ACS) 5-year estimates. This figure changed by -7.2% compared to a year ago.

What is the gender ratio in Plainfield?

The gender ratio in Plainfield is as follows:
  • 47.7% males (105 residents)
  • 52.3% females (115 residents)

What is the median age in Plainfield?

The median age in Plainfield is 31.8.

What is the age distribution of the population in Plainfield?

The age distribution in Plainfield is as follows:
  • Under 15: 22.3% (49 residents)
  • Ages 15-24: 9.1% (20 residents)
  • Ages 25-44: 20% (44 residents)
  • Ages 45-64: 22.7% (50 residents)
  • Over 65: 25.9% (57 residents)

What is the racial and ethnic makeup of Plainfield?

The racial and ethnic makeup of Plainfield is as follows:
  • White: 90.4% (199 residents)
  • Black or African American: 4.1% (9 residents)
  • American Indian and Alaska Native: 0% (0 residents)
  • Asian: 0% (0 residents)
  • Native Hawaiian and Other Pacific Islander: 0% (0 residents)
  • Two or More Races: 5.4% (12 residents)
  • Other: 0% (0 residents)

What percentage of the population in Plainfield are U.S.-born citizens?

U.S.-born citizens represent 94.6% of the population in Plainfield.

How many housing units are there in Plainfield?

There are 74 housing units in Plainfield, reflecting a -6.3% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

How many households are in Plainfield and what is the average household size?

Plainfield has a total of 74 households, with an average of 3 people in each.

What is the median household income in Plainfield?

Plainfield has a median household income of $109,500, representing a +3.5% shift from the previous year, according to the U.S. Census Bureau.

What is the job market overview for Plainfield?

Here’s a detailed breakdown of the local job market:

Job types:
  • White-collar workers: 76.7% (89 residents)
  • Blue-collar workers: 23.3% (27 residents)

Places of employment:
  • Self-employed: 2.6% (3 residents)
  • Private companies: 89.7% (104 residents)
  • Governmental workers: 3.4% (4 residents)
  • Not-for-profit companies: 4.3% (5 residents)

Data source & methodology

The demographic data on this page was sourced from the latest U.S. Census Bureau release—the 2019–2023 American Community Survey (ACS) 5-year estimates.

The information, issued annually, is compiled and published by the Point2Homes Research Team as soon as new data becomes available.

No representation, guarantee, or warranty is made concerning the accuracy or completeness of modified or aggregated information for particular areas.

Page last updated: September 2025