Zip Code 03840

NH · Population: 4,052

A
84/100
100
A+
Safety
72
B+
Affordability
80
A
Quality of Life
82
A
Jobs
Zip 03840, NH — boundary highlighted© OpenFreeMap · OpenStreetMap · US Census

About Zip Code 03840

Zip code 03840 is located in New Hampshire and is home to approximately 4,052 residents. It receives an overall grade of A (score: 84/100), based on safety, affordability, quality of life, and employment metrics.

This area has significantly lower crime rates than most of the country, making it one of the safer places to live.

With a median household income of $143,625 and home values around $564,600, this zip code offers strong affordability. Residents typically spend a manageable share of their income on housing.

The community is highly educated — 52% of adults hold a bachelor's degree or higher, well above the national average of ~33%.

The local job market is strong, with an unemployment rate of just 1%.

Scores are percentile-based: a score of 85 means this zip code ranks better than 85% of all US zip codes on that dimension. Data is sourced from the US Census Bureau (ACS 5-year estimates) and the FBI Uniform Crime Report.

Demographics & Economics

Median Income
$143,625
Home Value
$564,600
Rent
$2,172/mo
Median Age
46
College Educated
52%
Unemployment
1%
Owner-Occupied
85.1%
Rent Burden
18.1% of income

Score Breakdown

DimensionScoreGradeInterpretation
Safety100A+Lower crime = higher score
Affordability72B+Lower cost relative to income = higher
Quality of Life80AEducation, commute, ownership
Jobs & Economy82ALower unemployment = higher
Overall84AWeighted average

Methodology

All scores are percentile-based (0–100): a score of 85 means this zip code ranks better than 85% of all US zip codes on that metric. Safety uses FBI Uniform Crime Report state-level data (Phase 2 will add zip-level granularity). Economic and demographic data is from the US Census Bureau American Community Survey (ACS) 5-year estimates (2022).