Skip to main content
City Profile

Newmarket, New Hampshire

Population: 5,797 · 1 ZIP code

Demographics

Source: U.S. Census Bureau (ACS/Decennial). Estimates vary by year.

People
Total population
5,797
People
Median age
38.3
Housing
Total households
2,840
Income
Median household income
$87,196
Housing
Total housing units
2,972
Employment
Employment rate
77.2%
Education
Bachelor’s degree or higher
48.9%
Healthcare
Insured population
94.5%
City details
Local time 04:01:39(ET)
LocationNewmarket, NH
Population (ZIP areas)0(sum of local ZIP code populations)
Total ZIP codes1total
ZIP codes (by type)
1 Standard
CountyRockingham
Area code
TimezoneEastern Time (ET)
Coordinates43.0709125, -70.9469395
Land area12.6 sq miles(32,615,809 m²)

Map of Newmarket, New Hampshire with ZIP codes

Map of Newmarket, New Hampshire and ZIP codes
Interactive map showing Newmarket, New Hampshire boundaries and ZIP code areas. Click to load.

ZIP Codes in Newmarket

Explore the ZIP codes that make up Newmarket. Analyze key demographics and population stats for the region using the comprehensive table below.

ZIPType
Median incomeHousehold
Population (ZIP)
03857Standard

Data unavailable or suppressed by the U.S. Census Bureau for areas with small sample sizes to protect individual privacy.

ZIP type legend

  • Standard: residential and business delivery areas
  • PO BOX: primarily post office boxes; population may be unavailable
  • Unique: high-volume organizations (universities, agencies, etc.)

Nearby cities

Other cities near Newmarket, NH.

Data Sources & Citations

The geographic and demographic information presented on this site is compiled from publicly available, authoritative sources, including:

  • United States Census BureauDemographic, population, housing, and socioeconomic data sourced from Census Bureau datasets, including the Decennial Census and the American Community Survey (ACS).Census Data
  • United States Postal Service (USPS)ZIP code classifications, delivery types, and postal designations used for reference purposes. USPS ZIP codes are intended for mail delivery and may not always align exactly with Census geographic boundaries.USPS