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 Moderate-density area
- $109,659
- Median income Above-median income area
- $426,400
- Median home value Above-median home value
- 46.3%
- Bachelor's or higher Above-average bachelor's attainment
National ZIP placement
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 average New Hampshire ZIP), while per-capita income is $54,340. Both reported hardship measures are comparatively low in absolute terms: poverty is 4.0% and unemployment is 0.1%. Median home value is $426,400 (5% above the average New Hampshire ZIP) and median rent is $1,604; 86.5% of occupied homes 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 -. The page also surfaces 10 ZIP codes within roughly 10 miles and 6 more in Sullivan County, so 03781 can be compared with both its immediate and county-level context.
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.
- Administrative and support and waste management and remediation services
Administrative and support and waste management and remediation services
10 establishments
- Construction
Construction
8 establishments
- Retail trade
Retail trade
6 establishments
- Other services (except public administration)
Other services (except public administration)
4 establishments
- Professional, scientific, and technical services 3
Professional, scientific, and technical services
3 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, 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
Who lives in ZIP 03781?
38.8
Median Age
45.6%
Male
54.4%
Female
3.2%
Foreign-Born
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 ZIP avg
$54,340
Per Capita Income
4.0%
Poverty Rate
0.1%
Unemployment Rate
How ZIP 03781 ranks among New Hampshire ZIPs
Plainfield, NH household income vs. every New Hampshire ZIP code
Median household income among 236 reporting New Hampshire ZIPs (this ZIP's population is too small for a reliable national-corpus placement)
$109,659 Top 33% higher than 67% of 236 New Hampshire ZIPs
Each bar is a $20K-wide band; taller bars hold more New Hampshire 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?
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What does housing look like?
Housing stock: occupied vs vacant
848housing units
848
Total Housing Units
695
Occupied Units
153
Vacant Units
2.76
Avg Household Size
Occupancy Type
$426,400
Median Home Value
+5% vs state ZIP avg
$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.
- 05001
White River Junction (05001)
9,123 residents
- 03766
Lebanon (03766)
8,958 residents
- 03784
West Lebanon (03784)
4,086 residents
- 03753 2,971
Grantham (03753)
2,971 residents
- 05048 2,429
Hartland (05048)
2,429 residents
- 03781 1,840
Plainfield (03781)
1,840 residents
- 03745 1,424
Cornish (03745)
1,424 residents
- 05059 874
Quechee (05059)
874 residents
- 03770 524
Meriden (03770)
524 residents
What this shows Among its immediate neighbors, ZIP 03781 ranks #6 by population - useful context the national average alone can't give.
ZIP 03781 vs its nearest neighbors, by median income
Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 03770
Meriden (03770)
$153,750 median income
- 03781
Plainfield (03781)
$109,659 median income
- 03753
Grantham (03753)
$106,285 median income
- 03766
Lebanon (03766)
$100,881 median income
- 05048
Hartland (05048)
$99,583 median income
- 03745
Cornish (03745)
$91,821 median income
- 03784
West Lebanon (03784)
$91,000 median income
- 05001
White River Junction (05001)
$78,092 median income
- 05052 $52,321
North Hartland (05052)
$52,321 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.
| 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 |
Nationwide ZIPs with similar ACS profiles
Two Census-derived peer sets for ZIP 03781, both outside NH so the neighborhoods are not geographic containment (Nearby and same-county blocks stay local).
Similar population
Nearest cross-state ZIPs by resident population (1,840 here; floor ≥1,000).
Similar median household income
Nearest cross-state ZIPs by ACS median household income.
More ZIP Codes in Sullivan County
Related Areas
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.
Related
Take this with you
What to do with ZIP 03781's numbers, next.
- See how ZIP 03781 compares to a neighboring ZIP code on the same Census fields Compare this ZIP
- Check where Plainfield, NH ranks among every U.S. ZIP code on income, education, or homeownership View national rankings
- Save this ZIP to your shortlist to track alongside others you're considering View your shortlist
ZIP Code Tabulation Areas (ZCTAs) are Census Bureau approximations of USPS ZIP codes; figures describe the ZCTA area, not any single address within it.