ZIP Code 03781
standardSource:
Plainfield · Sullivan County · New Hampshire
- Population
- 1,840
- Median income
- $109,659
- Median home value
- $426,400
- Bachelor's or higher
- 46.3%
- Land area
- 122.7 sq mi
15/sq mi
▲ 44% vs US
higher than 86% of US ZIPs
▲ 53% vs US
higher than 82% of US ZIPs
Median age 38.8
New York
ZIP code 03781 in Plainfield, New Hampshire has a population of 1,840. The median household income is $109,659, which is 44% above the national average. Median home value is $426,400, 53% above the US average. 46.3% of residents hold a bachelor's degree or higher.
ZIP code 03781 is classified by USPS as a standard delivery area and covers roughly 122.7 square miles in Plainfield, Sullivan County, New Hampshire. The area is home to 1,840 residents, producing a population density of 15 people per square mile, and falls within the New York time zone. These USPS and Census boundary values drive every downstream statistic on this page, including the benchmarks that compare 03781 against New Hampshire and the nation.
On the economic side, the median household income for ZIP 03781 sits at $109,659 (7% above the New Hampshire average), while per-capita income is $54,340. The poverty rate stands at 4.0% and the unemployment rate at 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 direct signal of whether 03781 behaves more like a homeowner neighborhood or a renter-heavy ZIP.
Education and household profile round out the picture: 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 is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates, HUD Fair Market Rents, and FHFA Home Price Index data, no estimates, no proprietary scoring. Verify with HUD →
Top industries in ZIP 03781
Top 5 sectors by establishment count
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 + HUD FMR + FHFA HPI ACS demographics, ZBP business establishments, HUD Fair Market Rents, 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; HUD FMR + 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
$54,340
Per Capita Income
4.0%
Poverty Rate
0.1%
Unemployment Rate
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?
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
$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 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
Related Areas
Frequently Asked Questions
What county is ZIP code 03781 in? ▼
What is the population of ZIP code 03781? ▼
What is the median household income in ZIP 03781? ▼
What is the average home value in ZIP 03781? ▼
What is the demographic makeup of ZIP 03781? ▼
How many businesses are in ZIP code 03781? ▼
What are the main industries in ZIP code 03781? ▼
How have home values changed in ZIP code 03781? ▼
What is the education level in ZIP code 03781? ▼
What percentage of residents own vs. rent in ZIP 03781? ▼
What is the poverty rate in ZIP code 03781? ▼
ZIP Code Research Guides
Official Data Resources for Plainfield, NH
Verify and explore additional data for this area using these official government sources.
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023). Business data: Source: Census ZIP Code Business Patterns (ZBP) 2023. Home value trends: Source: FHFA House Price Index (HPI), Five-Digit ZIP Codes.
PlainZIP is not affiliated with the U.S. Census Bureau or any government agency.
Read our methodology , how this data is sourced, computed, and verified.