ZIP Code Tabulation Area · New Hampshire

ZIP Code 03851: Strafford County, NH

ZIP Code 03851 (Strafford County, New Hampshire) has an estimated 4,333 residents in 1,625 households. The median household income is $93,412, the median home value is $314,300 and the median gross rent is $1,587/mo. Figures are U.S. Census Bureau American Community Survey 2020–2024 5-year estimates for the matching ZIP Code Tabulation Area.

American Community Survey 2020–2024 5-year estimates · Updated Oct 26, 2026

Total population

4,333

Margin of error ±136

Median household income

$93,412

Margin of error ±$26,963

Median home value

$314,300

Margin of error ±$37,617

Median gross rent

$1,587/mo

Margin of error ±$318

Median age

45.3 yrs

Margin of error ±2.3 yrs

Mean travel time to work

32.6 min

Margin of error ±8.3 min

How ZIP 03851 compares with New Hampshire and the U.S.

State and national figures are the Census Bureau's own estimates for those areas from the same ACS release, not averages of ZIP codes.

Median age

ZIP 0385145.3 yrsNew Hampshire43.3 yrsUnited States38.9 yrs

Median household income

ZIP 03851$93,412New Hampshire$99,031United States$80,734

Per capita income

ZIP 03851$41,413New Hampshire$52,798United States$44,673

Poverty rate

ZIP 038518.0%New Hampshire7.2%United States12.5%

Unemployment rate

ZIP 038513.3%New Hampshire3.3%United States5.2%

Bachelor's degree or higher

ZIP 0385120.9%New Hampshire40.6%United States35.7%

Median home value

ZIP 03851$314,300New Hampshire$402,500United States$332,700

Median gross rent

ZIP 03851$1,587/moNew Hampshire$1,491/moUnited States$1,413/mo

Owner-occupied homes

ZIP 0385185.7%New Hampshire72.8%United States65.2%

Mean travel time to work

ZIP 0385132.6 minNew Hampshire26.7 minUnited States26.4 min

Worked from home

ZIP 0385119.9%New Hampshire16.8%United States15.1%

All figures for ZIP 03851

Each estimate has a 90% margin of error: the true value is likely within that range. * marks estimates with a large margin of error (a coefficient of variation above 30%, or ±10 percentage points or more for rates).

ZIP 03851 — ACS 2020–2024 5-year estimates
Measure	ZIP 03851	Margin of error	New Hampshire	United States
Total population	4,333	±136	1,394,868	334,922,499
Median age	45.3 yrs	±2.3 yrs	43.3 yrs	38.9 yrs
Households	1,625	±141	555,822	129,227,496
Median household income	$93,412	±$26,963	$99,031	$80,734
Per capita income	$41,413	±$4,568	$52,798	$44,673
Poverty rate	8.0%	±3.3 pts	7.2%	12.5%
Unemployment rate	3.3%	±4.0 pts	3.3%	5.2%
Bachelor's degree or higher	20.9%	±5.2 pts	40.6%	35.7%
Median home value	$314,300	±$37,617	$402,500	$332,700
Median gross rent	$1,587/mo	±$318	$1,491/mo	$1,413/mo
Owner-occupied homes	85.7%	±7.1 pts	72.8%	65.2%
Mean travel time to work	32.6 min	±8.3 min	26.7 min	26.4 min
Worked from home	19.9%	±7.1 pts	16.8%	15.1%

Race and Hispanic or Latino origin

Shares of the total population by the Census Bureau's race and Hispanic or Latino origin categories (table B03002), listed in the Census Bureau's order. People self-identify on the survey.

Population by race and Hispanic or Latino origin, ZIP 03851
Group	ZIP 03851	New Hampshire	United States
White alone, not Hispanic or Latino	94.7%	86.9%	57.4%
Black or African American alone, not Hispanic or Latino	0.0%	1.3%	11.9%
American Indian and Alaska Native alone, not Hispanic or Latino	0.0%	0.1%	0.5%
Asian alone, not Hispanic or Latino	1.4%	2.6%	5.9%
Native Hawaiian and Other Pacific Islander alone, not Hispanic or Latino	0.0%	0.0%	0.2%
Some other race alone, not Hispanic or Latino	0.0%	0.4%	0.6%
Two or more races, not Hispanic or Latino	2.9%	4.0%	4.3%
Hispanic or Latino (of any race)	1.0%	4.7%	19.3%

Where ZIP 03851 is

State: New Hampshire
Main county: Strafford County
Largest overlapping place: Milton (3% of the ZIP's land area)
Land area: 26.31 sq mi· about 165 people per sq mi

County and place names come from the Census Bureau's 2020 ZCTA relationship files. A ZIP code's mailing city, set by the U.S. Postal Service, can differ from these names.

Other ZIP codes in Strafford County

03820 Dover, NH 03823 Strafford County, NH 03824 Strafford County, NH 03825 Strafford County, NH 03835 Strafford County, NH 03839 Rochester, NH 03852 Strafford County, NH 03855 Strafford County, NH 03861 Strafford County, NH 03867 Rochester, NH 03868 Rochester, NH 03869 Strafford County, NH 03878 Somersworth, NH 03884 Strafford County, NH 03887 Strafford County, NH

See every ZIP code in New Hampshire, or compare ZIP 03851 with another ZIP code.

Census figures describe residents as a group and cannot tell you about any one home or street. For a specific address, check local government and housing records.

About ZIP codes and ZCTAs: the Census Bureau publishes statistics for ZIP Code Tabulation Areas, which approximate USPS ZIP code delivery areas. Learn how they differ.

Sources

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, detailed tables B01003, B01002, B11001, B19013, B19301, B17001, B23025, B15003, B25077, B25064, B25003, B08013, B08303, B08301, B03002 — snapshot Oct 26, 2026.
U.S. Census Bureau, 2020 ZCTA5 relationship files (county and place).
Data: U.S. Census Bureau, American Community Survey 5-year estimates (detailed tables) and 2020 Census ZCTA relationship files. This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau. These agencies do not endorse OpenZIP.