ZIP code profile · 2024 county data
ZIP Code 03851
Strafford County, New Hampshire: Census demographics for this ZIP plus the containing county's FBI UCR crime rate.
Data updated 2026-08-24
- 4,195
- Population (ZIP)
- 3
- Violent rate /100K (county)
- 0
- Property rate /100K (county)
Is ZIP code 03851 safe? Honest data snapshot
ZIP code 03851 sits within Strafford County, NH, in which law-enforcement agencies did not report complete 2024 data to the FBI UCR Program. The county figures below cover only the agencies that submitted, so they are not a measure of crime in this area and no comparison to the national average is drawn from them.
ZIP 03851 carries a Census-reported population of 4,195, ranking #10 of 16 ZIPs in Strafford County, spread across 26.31 square miles (about 159 people per square mile). For a full breakdown of Strafford County's crime categories and year-over-year trend, see the Strafford County crime page linked below.
ZIP 03851 has no FBI-native crime rate (postal codes are not police jurisdictions). Figures above use the Strafford County proxy where reported; see methodology for the ZCTA plurality map. Methodology.
ZIP 03851 Census context
These are ZIP/ZCTA demographic estimates, separate from the county-level FBI proxy above. They describe the local settlement, not a crime rate.
- Median household income
- $86,392
- Median age
- 42.6 years
- Owner-occupied homes
- 86%
- Occupied homes
- 1,553
Source: U.S. Census Bureau, ACS 2022 5-year ZCTA estimates (income, age, and occupied housing tenure).
ZIP 03851 settlement vs Strafford County
ZIP 03851 itself is about 159 people per Census sq mi across 26.3 sq mi (4,195 residents), a postal settlement fact independent of the county UCR proxy.
ZIP 03851 accounts for roughly 3.2% of the county reporting population (4,195 of 130,889).
Strafford County's 2024 UCR book concentrates in rape (75% of 4 offenses; mix index 6,250). ZIP 03851 inherits that county mix, not a postal-native split.
Settlement lines use Census ZCTA figures only; incomplete county agency coverage blocks any UCR mix or rate desk for this ZIP.
Nationwide peers for ZIP 03851
Similar county violent rate (~3/100K)
- ZIP 28098, NC · 3.1/100K · Gaston County
- ZIP 11954, NY · 2.9/100K · Suffolk County
- ZIP 12053, NY · 3.2/100K · Schenectady County
- ZIP 05851, VT · 3.3/100K · Caledonia County
Similar Census population (~4,195)
- ZIP 35234, AL · 4,195 pop · Δ0
- ZIP 35592, AL · 4,196 pop · Δ1
- ZIP 36904, AL · 4,196 pop · Δ1
- ZIP 75410, TX · 4,196 pop · Δ1
County detail: Strafford County · State atlas: New Hampshire
Sources: U.S. Census Bureau (ZIP population, land area, 2020 ZCTA-to-county relationship file, ACS 5-year estimates) and FBI Uniform Crime Reporting (UCR) Program, Crime in the United States (CIUS) Table 10 (county-level crime, attributed via ZIP-to-county crosswalk).
Verify with Census.gov Geography and FBI.gov UCR.
Read our methodology , how this data is sourced, computed, and verified.
Every figure on PlainCrime is rendered directly from FBI Uniform Crime Reporting (UCR) source data, no number is typed in by an editor. This page combines Census ZIP-level figures with a ZIP-to-county crosswalk to attribute FBI UCR crime data honestly, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.