ZIP code
03857
Newmarket, NH
03857 covers Newmarket in Rockingham County, with 9,431 people in the ACS 2023 estimate.
Figures are for the Census ZIP Code Tabulation Area (ZCTA), which is not the same as a USPS ZIP code. A PO Box or unique ZIP may have no ZCTA and no demographics. Methodology
U.S. Census Bureau, ACS 2019–2023 5-year (vintage 2023). Geography: ZCTA 03857. Methodology
ZIP code map of 03857
About ZIP code 03857
More enterprise fields
Commercial ZIP directory · not ACS
Commercial ZIP directory population_count for ZCTA 03857. Not ACS. Methodology
People in 03857
Race
- White8,390
- Black or African American86
- American Indian or Alaska Native12
- Asian340
- Native Hawaiian and Pacific Islander13
- Other race69
- Two or more races520
Hispanic or Latino (any race): 301
Age
- Under 10855
- 10 to 19859
- 20 to 291,602
- 30 to 391,489
- 40 to 491,152
- 50 to 591,276
- 60 to 691,304
- 70 to 79657
- 80 and older236
Income and housing in 03857
Education
- High school graduate97.9%
- Bachelor's degree49.7%
- Graduate degree18.0%
Places covering 03857
Cities and places — Population overlap
Share of this ZIP/ZCTA’s population located within each place, based on ZIP Code Database place-overlap data. This is a population measure, not land-area overlap or the Census-place population.
- Newmarket61.5%
ZIP Code Database place-overlap table, field percent_of_zip_population_in_place, keyed by place_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology
Counties — Population overlap
Share of this ZIP/ZCTA’s population located within each county, based on ZIP Code Database county-overlap data. This is a population measure, not land-area overlap or the Census county population.
- Rockingham County100.0%
ZIP Code Database county-overlap table, field percent_of_zip_population_in_county, keyed by county_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology
38.5% of this ZIP is outside city limits (a real overlap row, not missing data).
Population history for 03857
Hover the chart or read the table below (Year | ACS | IRS).
| Year | ACS population | IRS population |
|---|---|---|
| 2005 | 8,177 | |
| 2006 | 7,848 | |
| 2007 | 8,312 | |
| 2008 | 7,968 | |
| 2009 | 7,950 | |
| 2010 | 8,070 | |
| 2011 | 8,986 | 8,107 |
| 2012 | 9,002 | 8,250 |
| 2013 | 8,968 | 8,270 |
| 2014 | 8,989 | 8,410 |
| 2015 | 8,937 | 8,410 |
| 2016 | 8,953 | 8,220 |
| 2017 | 9,003 | 8,510 |
| 2018 | 9,064 | 8,420 |
| 2019 | 9,063 | 8,580 |
| 2020 | 9,161 | 8,580 |
| 2021 | 9,365 | 8,430 |
| 2022 | 9,400 | 8,470 |
| 2023 | 9,431 |
ACS: U.S. Census Bureau American Community Survey 5-year estimates. IRS: Statistics of Income ZIP Code data.
ZIP codes near 03857
12 nearest ZIP centroids (any distance)
- 03856Newfields2.5 miPop 2,010 · Income $191,625
- 03824Durham3.5 miPop 15,054 · Income $126,658
- 03885Stratham4.5 miPop 7,742 · Income $141,438
- 03861Lee4.5 miPop 4,558 · Income $140,321
- 03840Greenland5.6 miPop 4,070 · Income $147,132
- 03833Exeter6.6 miPop 22,676 · Income $110,566
- 03801Portsmouth7.1 miPop 23,231 · Income $106,520
- 03823Madbury7.2 miPop 2,121 · Income $144,635
- 03042Epping7.3 miPop 7,300 · Income $101,354
- 03820Dover8.6 miPop 33,150 · Income $92,793
- 03862North Hampton8.6 miPop 4,563 · Income $136,170
- 03044Fremont10.0 miPop 4,783 · Income $125,774
ZIP centroids within 2 miles
No other ZIP codes within 2 miles of 03857, measured by Census internal-point centroids. Try a wider radius.
ZIPs within 2 miles of this place
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ZIP code 03857 FAQ
- What city is ZIP code 03857 in?
- 03857 is in Newmarket, NH.
- What county is 03857 in?
- 03857 is in Rockingham County.
- What is the median household income in 03857?
- The median household income in 03857 is $94,345.
- Which ZIP codes are near 03857?
- Use the radius tool on this page to list ZIP codes within a chosen distance of 03857.