US5.com
  1. Home
  2. States
  3. New Hampshire
  4. ZIP 03823
Dover city, NH

ZIP Code 03823 — Dover city, NH Demographics & Data

Source: U.S. Census Bureau ACS 2019–2023 5-Year Estimates. Page data updated 2026-08-02.

Upper Middle ClassLow Snow Area

Map, Quick Facts & Location

Quick Facts

Local time
Population
2,121
Median Income
$144,635
+92% vs US avg
Home Value
$459,300
+32% vs US avg
Median Rent
$1,229
+6% vs US avg
Median Age
38.5 yrs
-1% vs US avg
Area Code
Congress
Top Ancestry
EnglishIrishFrench
Scroll to load map
Location
Coordinates
43.1746, -70.9415
Elevation
119 ft
Land Area
10.6 sq mi
Water Area
0.4 sq mi (3% water)

At a glance

Population
2,121
Density
N/A
Median income
$144,635
+92% vs US avg
Home value
$459,300
+32% vs US avg
Median rent
$1,229
+6% vs US avg
Timezone

Overview of ZIP Code 03823

7-day weather forecast

Loading live forecast…

Sunrise, sunset & moon

Loading outdoor timing for Dover city, NH (ZIP 03823)

What to know about ZIP 03823

ZIP code 03823 covers Dover, NH in Strafford County with a population of about 2,121.

At a glance, the area shows median age of 38.5 (near the U.S. median).

It sits in telephone area code 603; U.S. House district NH-1; the BOSTON (MANCHESTER) media market.

Income and economy in Dover, NH

Median household income in ZIP 03823 is about $144,635 — about 92% above the U.S. median ($75,149).

On socioeconomic markers, US5 shows a poverty rate of 5.3%; unemployment rate near 2.0%; 54.6% of adults with a bachelor’s degree or higher (about 20.9 points above the national share (33.7%)).

Labor and commute patterns include leading industry context around Healthcare, Manufacturing, and Education; about 13.7% of workers reporting work-from-home (about 1.5 points below the U.S. share (15.2%)); a mean commute of about 180.0 minutes (U.S. average near 26.8).

Housing and affordability in ZIP 03823

Median home value is about $459,300 — about 32% above the U.S. median home value ($348,079).

Housing tenure and rents show median gross rent around $1,229 (about 6% above the U.S. median rent ($1,163)), and owner-occupancy near 80.4% (about 15.0 points above the national owner-occupancy rate (65.4%)).

To comfortably buy a median-priced home in ZIP 03823 in Dover, NH, a household would need roughly $126,000 in annual income under a 20% down, 30-year loan at 6.8% (illustrative), keeping housing costs near 28% of income. Estimated monthly PITI is about $2,950. That sits below the local median household income ($144,635), suggesting the typical household income is closer to a workable buy-in level under these assumptions. Rates, taxes, insurance, and HOA fees vary — treat this as a planning estimate, not a lender quote.

Climate risk and migration signals

FEMA’s National Risk Index rates natural-hazard risk for Dover city, NH as Relatively Low (composite score 64.1), which is near the middle of the national distribution. The strongest component scores on US5 are hurricane (76.6) and flood (76.0). These scores are county-linked NRI values published for planning context — all ZIP codes in the same county share the same composite score on US5. Useful when comparing insurance and disaster exposure across areas, not a substitute for a parcel-level flood or fire determination.

Climate normals for Dover city, NH show little to no average snow and around 47.8 inches of annual precipitation.

IRS migration statistics show a net inflow of about 100 for ZIP 03823 (Dover city, NH) on US5’s published series — a signal of people/tax filers moving in relative to those leaving. Inflows often track job growth, housing demand, or lifestyle migration; treat the figure as a directional indicator rather than a precise headcount.

Nearby (from this ZIP)

Airport PSM (8.9 miles (14.4 km)) · University of New Hampshire-Main Campus (2.7 miles (4.4 km)) · Lowell National Historical Park (41.2 miles (66.3 km)) · VA: Somersworth Outpatient Clinic (5.2 miles (8.3 km))

Full lists and map pins are in the Infrastructure section below.