| ZIP Code | 03857 |
|---|---|
| City | Newmarket |
| State | New Hampshire (NH) |
| County | Rockingham County |
| Area Code | 603 |
| Elevation | 84 ft |
| Latitude | 43.070913 |
|---|---|
| Longitude | -70.946939 |
| Timezone | New York (DST) |
| FIPS | 33015 |
| ZIP Type | Standard |
| Status | Active |
Race & Ethnicity
Age Breakdown
Key Indicators
| Median Age | 39.3 yrs ↑ 8% since 2019 |
|---|---|
| Avg Household Size | 2.18 |
| Below Poverty | 4.3% ▼ 57% below avg |
| College Grads | 62.0% ▲ 60% above avg |
| Unemployment | 1.5% ▼ 70% below avg |
| HS Graduate | 819 (11.8%) |
| Some College | 904 (13%) |
| Associates | 910 (13.1%) |
| Bachelors | 896 (12.9%) |
| Graduate Degree | 3,402 (49.1%) |
Education
Housing Tenure
Home Value Distribution
Financials
| Median HH Income | $94,345 ▲ 24% above avg ↑ 28% since 2019 |
|---|---|
| Median Home Value | $384,900 ▲ 38% above avg ↑ 38% since 2019 |
| Home/Income Ratio | 4.1x (nat avg ~3.5x) |
| Median Rent | $1,648/mo ↑ 33% since 2019 |
| Total Units | 4,443 |
| Vacant Units | 130 |
| Avg HH Size | 2.18 |
Income Distribution
How People Get to Work
Commute Time
Year Built
Summary
| Total Units | 4,443 |
|---|---|
| Vacant | 130 |
| Owner Occupied | 52.4% |
| Renter Occupied | 47.6% |
| Avg HH Size | 2.18 |
ZIP code 03857 is located in Newmarket, New Hampshire, within Rockingham County. With a population of 9,431, this is a lightly populated ZIP code with a middle-aged community — the median age is 39.3 years. Economically, 03857 is a middle-income ZIP code: the median household income of $94,345 is above the national average.
Real estate in ZIP code 03857 represents a mid-range housing market. The median home value of $384,900 is above the national average. Renters can expect to pay around $1,648 per month in median rent. The area has a relatively balanced mix of owners (52.4%) and renters (47.6%). Median home values have increased by 38% since 2019.
The population of 03857 is primarily White (92.03%). Residents are highly educated — 62.0% hold a bachelor's degree or higher, which is significantly above the national average. Poverty affects a relatively small share of residents at 4.3%. Household income has grown by 28% since 2019.
The unemployment rate in 03857 stands at 1.5%, which is well below the national average. About 17% of workers are remote. As in most parts of the country, driving alone is the dominant commute mode at 73%.
Overall, ZIP code 03857 in Newmarket, NH is characterized as middle-income, highly educated, and a middle-aged community. With 9,431 residents, a median household income of $94,345, and a median home value of $384,900, it offers a clear picture of life in this part of New Hampshire.