PlainZIP

Plainfield, NH · standard

ZIP Code 03781

Sullivan County, New Hampshire - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.

1,840
15/sq mi
$109,659
Median income
$426,400
Median home value
46.3%
Bachelor's or higher

The verdict

Plainfield pairs an upper-quartile household income with upper-quartile home values, in a rural, homeowner-dominated area.

Top 14%
household income, US ZIPs
Top 18%
home value, US ZIPs
15
people per sq mi
87%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 03781 against every reporting US ZIP.

ZIP code 03781 covers 122.7 square miles in Plainfield, Sullivan County, New Hampshire (a standard USPS delivery area), with a modest 1,840 residents on file, a density of 15 people per square mile, in the New York time zone.

ZIP 03781 lands in the middle-income range, with a median household income of $109,659 (7% above the New Hampshire average), while per-capita income is $54,340. 4.0% of residents live below the poverty line, and the unemployment rate reads 0.1%. On housing, the median home value is $426,400 (5% above the state average) with median rent at $1,604 per month, and 86.5% of occupied units are owner-occupied.

A solid share of residents have a four-year degree: 46.3% of adults hold a bachelor's degree or higher, the median age is 38.8, and the average commute is -. We also surface 10 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing Sullivan County, so you can benchmark 03781 against its immediate geography rather than a national average alone.

Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →

Top industries in ZIP 03781

Top 5 sectors by establishment count in Plainfield, NH

Which industries have the most business establishments in ZIP 03781.

establishments

What this shows Establishment counts come from the Census ZIP Code Business Patterns program, which counts physical business locations rather than employees or revenue.

Source U.S. Census Bureau · ZIP Code Business Patterns (ZBP) As of 2023

Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + FHFA HPI ACS demographics and median rent, ZBP business establishments, FHFA HPI for ZIP 03781, Plainfield, NH · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; FHFA HPI updated quarterly/annually.

Quick Facts

1,840

Population

122.7

Area (sq mi)

15

People / sq mi

New York

Time Zone

standard

ZIP Type

Neighborhood Scorecard
Get an A-F grade across income, safety, housing, rent, education, commute, and childcare for this ZIP code.
View Scorecard →

Who lives in ZIP 03781?

38.8

Median Age

45.6%

Male

54.4%

Female

3.2%

Foreign-Born

White 89.9%
African American 0.5%
Asian 1.1%
American Indian or Alaska Native 0.0%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 8.5%
Hispanic or Latino 0.3%

Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

How much do residents earn?

$109,659

Median Household Income

+7% vs state

$54,340

Per Capita Income

4.0%

Poverty Rate

0.1%

Unemployment Rate

How ZIP 03781 ranks nationally

Plainfield, NH household income vs. every US ZIP code

Median household income, the full national distribution, with this ZIP marked

$109,659 Top 14% higher than 86% of 30,318 US ZIPs

$0–$20,000: 118 US ZIPs (0%). Below this entry. $20,000–$40,000: 1,573 US ZIPs (5%). Below this entry. $40,000–$60,000: 7,092 US ZIPs (23%). Below this entry. $60,000–$80,000: 9,980 US ZIPs (33%). Below this entry. $80,000–$100,000: 5,778 US ZIPs (19%). Below this entry. $100,000–$120,000: 2,855 US ZIPs (9%). This entry sits in this band. $120,000–$140,000: 1,362 US ZIPs (4%). Above this entry. $140,000–$160,000: 686 US ZIPs (2%). Above this entry. $160,000–$180,000: 364 US ZIPs (1%). Above this entry. $180,000–$200,000: 186 US ZIPs (1%). Above this entry. $200,000–$220,000: 324 US ZIPs (1%). Above this entry. This ZIP $0 $200K+ every reporting US ZIP, bucketed by value

Each bar is a $20K-wide band; taller bars hold more US ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source U.S. Census Bureau, ACS 5-Year Estimates · 2019–2023

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What is the education profile here?

High School Graduate or Higher 67.7%
Bachelor's Degree or Higher 46.3%

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What does housing look like?

848

Total Housing Units

695

Occupied Units

153

Vacant Units

2.76

Avg Household Size

Occupancy Type

Owner 86.5%
Renter 13.5%

$426,400

Median Home Value

+5% vs state

$1,604

Median Rent

1979

Median Year Built

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

How have home values changed over time?

FHFA House Price Index, annual appreciation data based on repeat sales and appraisals

+30.9%

YoY Change (2024)

339

HPI Index (2000 = 100)

+239%

Total Change Since 2000

Home values in ZIP 03781 have increased 30.9% over the past year (2024). Since 2000, this ZIP has seen +239% cumulative appreciation.

Year Annual Change HPI Index
2019 +6.7% 190
2020 +3.1% 196
2021 +12.7% 221
2022 +30.9% 289
2024 – 339

Source: Federal Housing Finance Agency (FHFA) House Price Index, All-Transactions, Five-Digit ZIP Codes (Developmental Index). Index base = 100 in year 2000. Data through 2024. ZIP codes with few transactions may show missing values.

What businesses operate in this ZIP?

Census Bureau data shows 39 business establishments in ZIP 03781, employing approximately 233 people with a combined annual payroll of $11,039,000.

39

Businesses

233

Employees

$11.0M

Annual Payroll

5

Industry Sectors

Industry Establishments % of Total
Administrative and support and waste management and remediation services 10 25.6%
Construction 8 20.5%
Retail trade 6 15.4%
Other services (except public administration) 4 10.3%
Professional, scientific, and technical services 3 7.7%

Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.

Nearby ZIP Codes

Want a side-by-side? Compare 03781 vs 03770 →

ZIP 03781 vs its nearest neighbors, by population

Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.

residents

What this shows Among its immediate neighbors, ZIP 03781 ranks #6 by population - useful context the national average alone can't give.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023

ZIP 03781 vs its nearest neighbors, by median income

Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.

median income

What this shows By household income, ZIP 03781 ranks #2 of 9 neighboring ZIPs, local affluence varies block to block, not just metro to metro.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023
ZIP Code City Population Distance
03770 Meriden, NH 524 1.6 mi
03746 Cornish Flat, NH 216 4.3 mi
03784 West Lebanon, NH 4,086 5.9 mi
05052 North Hartland, VT 348 4.9 mi
03766 Lebanon, NH 8,958 6.1 mi
03745 Cornish, NH 1,424 6.2 mi
05048 Hartland, VT 2,429 7.3 mi
03753 Grantham, NH 2,971 7.2 mi
05001 White River Junction, VT 9,123 9.6 mi
05059 Quechee, VT 874 9.3 mi

More ZIP Codes in Sullivan County

03743 standard
Claremont, NH
Pop: 14,103
03773 standard
Newport, NH
Pop: 7,841
03603 standard
Charlestown, NH
Pop: 5,412
03753 standard
Grantham, NH
Pop: 2,971
03782 standard
Sunapee, NH
Pop: 2,945
03745 standard
Cornish, NH
Pop: 1,424

Related Areas

Sullivan County Plainfield, NH New Hampshire

Frequently Asked Questions

What county is ZIP code 03781 in? ▼
ZIP code 03781 (Plainfield) is located in Sullivan County, New Hampshire. Sullivan County contains multiple ZIP codes, see the full list at /counties/sullivan-nh.
What is the population of ZIP code 03781? ▼
ZIP code 03781 in Plainfield, NH has a population of 1,840 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 03781? ▼
The median household income in ZIP 03781 is $109,659, which is 44% above the national average of $76,288.
What is the average home value in ZIP 03781? ▼
The median home value in ZIP 03781 is $426,400, which is 53% above the national average of $278,155.
What is the demographic makeup of ZIP 03781? ▼
The largest racial group in ZIP 03781 is White at 89.9%. Hispanic or Latino residents make up 0.3% of the population.
How many businesses are in ZIP code 03781? ▼
ZIP code 03781 has 39 business establishments employing approximately 233 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 03781? ▼
The top industries by establishment count in ZIP 03781 are: Administrative and support and waste management and remediation services (10), Construction (8), Retail trade (6). There are 5 industry sectors represented in total.
How have home values changed in ZIP code 03781? ▼
According to the FHFA House Price Index, home values in ZIP 03781 increased by 30.9% in 2024. Since 2000, home values in this ZIP have appreciated by approximately 239%. This is a developmental index based on repeat sales and appraisal data from Fannie Mae and Freddie Mac.
What is the education level in ZIP code 03781? ▼
In ZIP code 03781, 67.7% of residents aged 25+ have a high school diploma or higher, and 46.3% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What percentage of residents own vs. rent in ZIP 03781? ▼
In ZIP code 03781, approximately 86.5% of occupied housing units are owner-occupied and 13.5% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 03781? ▼
The poverty rate in ZIP code 03781 is 4.0% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.

Read our methodology to see how this data is sourced, computed, and verified.