Dover is a city in Strafford County, New Hampshire, home to about 33,364 people across 27 square miles. Its ZIP code is 03820.
Homes sold for a median of $328 per square foot in the three months ending August 2026, a seller’s market.
Each card is that ZIP code’s whole market, including any part outside Dover. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Dover’s story and what everyday life there is like, for people thinking about moving in.
Are you a local agent who knows Dover well? Agents who advertise here will be able to write the guide. Advertise on OfferBacked
| Nearest major airport | Portland International Jetport (PWM)43 miles away |
|---|---|
| Closer regional airport | Portsmouth International Airport at Pease (PSM)8 miles away |
| Nearest city of 250,000+ | Boston, MA59 miles away |
| Nearest city of 1 million+ | New York, NY235 miles away |
Straight-line distances from the center of Dover; driving is longer.
Source: Airports from OurAirports (scheduled passenger service); city centers and populations from the U.S. Census Bureau.
Source: Members of Congress from the congress-legislators project; districts from the Census Bureau’s relationship files; governor and mayor from Wikidata.
Dover had 32,741 residents in the 2020 census, up 22% since 2000.
It’s the 5th largest of 242 towns in New Hampshire by population.
Strafford County grew from 39,337 residents in 1900 to 130,889 in 2020.
Strafford County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 81°F in summer, and winter lows average 15°F. About 48 inches of rain and melted snow fall in a typical year.
Source: NOAA 1991–2020 climate normals, Durham 2 N, NH weather station (2 miles away).
39,697 jobs at 2,729 businesses in Strafford County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
897 doctors and other health care providers list an office in Dover.
Nearest hospitals
Providers with an office here
| Primary care doctors | 52 |
|---|---|
| Specialist doctors | 191 |
| Dentists | 52 |
| Nurse practitioners and physician assistants | 176 |
| Mental health providers | 262 |
| Physical and occupational therapists | 139 |
| Optometrists | 7 |
| Chiropractors | 18 |
| Pharmacies | 9 |
Source: Hospitals from CMS Hospital General Information (ratings are CMS overall star ratings); straight-line distances; providers from the CMS National Plan and Provider Enumeration System (NPPES), by practice address and primary specialty.
Parks (22 nearby)
Grocery stores (8 nearby)
Pharmacies (4 nearby)
Libraries (2 nearby)
Museums (1 nearby)
Theaters and performance venues (2 nearby)
Counts are within about 3.5 miles of the center of town.
Source: Map data © OpenStreetMap contributors (openstreetmap.org/copyright), as mapped by volunteers; it can miss places or include closed ones.
Established in 1623.
Notable people born here
Source: Wikidata (wikidata.org), the free knowledge base; people are listed by place of birth.
Public schools here are run by Seacoast Charter School, Dover School District. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Seacoast Charter SchoolDover | Pre-K–8 | 287 | Charter | 2.5 mi |
| Woodman Park SchoolDover | Pre-K–4 | 421 | Public | 0.1 mi |
| Frances G. Hopkins Elementary School at Horne StreetDover | K–4 | 412 | Public | 1.5 mi |
| Garrison SchoolDover | K–4 | 353 | Public | 1.9 mi |
| Dover Middle SchoolDover | 5–8 | 941 | Public | 0.8 mi |
| Dover Senior High SchoolDover | 9–12 | 1,371 | Public | 0.9 mi |
| School | Grades | Students | Affiliation | Distance |
|---|---|---|---|---|
| My SchoolDover | Pre-K–2 | 15 | Nonsectarian | 0.6 mi |
| St Mary AcademyDover | Pre-K–8 | 183 | Roman Catholic | 0.7 mi |
| St Thomas Aquinas High SchoolDover | 9–12 | 354 | Roman Catholic | 3.5 mi |
Source: U.S. Department of Education, NCES: Common Core of Data (2024-2025) for public schools; Private School Universe Survey (2023-2024) for private schools. Listed by address; we don’t rate schools.
Buying or selling around Dover? Tell us what you need and when. No agents advertise here yet, so we’ll keep your request for up to 30 days and send it to local agents who join. No obligation, and you choose who to work with.
Loading map…
Town boundaries don’t always match ZIP codes: a ZIP code can cross into neighboring towns, and a town can share a ZIP code with its neighbors. Facts describe the town itself; market figures describe whole ZIP codes.