ZIP code 03603: Charlestown, NH
03603 is a ZIP code in Charlestown, New Hampshire, mainly in Sullivan County, part of the Lebanon-Claremont, NH-VT micro area. About 5,238 people live here.
- Population
- 5,238
- Median household income
- $56,731
- Typical home value
- $306,800+5.1% in 12 months
- Median rent
- $1,096gross, per month
- Median age
- 44.8
- Homeowners
- 80.6%of occupied homes
Shaded: ZIP code 03603's area. Click anywhere on the map to see which ZIP code it's in.
ZIP codes within 10 milesWithin 25 miles
ZIP code 03603 details
| City | Charlestown |
|---|---|
| State | New Hampshire |
| County | Sullivan County |
| Metro area | Lebanon-Claremont, NH-VT |
| Time zone | Eastern Time (UTC−5), observes daylight saving time |
| Type | Standard (delivery area) |
| Land area | 44.3 sq mi, plus 2.3 sq mi of water |
| Population density | 118 people per sq mi |
| Bachelor's degree or higher | 14.4% of adults 25+ |
| Average commute | 23.7 minutes |
| Center coordinates | 43.24791, -72.37371 |
Median rent in 03603 by bedrooms
| Size | Median gross rent |
|---|---|
| 1 bedroom | $683/mo |
| 2 bedrooms | $1,152/mo |
Gross rent includes utilities paid by the tenant. ACS 2020–2024; sizes with too few rentals to estimate are left out.
ZIP codes near 03603
| ZIP code | City | Distance | Population |
|---|---|---|---|
| 03601 | Acworth, NH | 3.1 mi | 382 |
| 05156 | Springfield, VT | 6.2 mi | 9,116 |
| 03607 | South Acworth, NH | 6.6 mi | 368 |
| 03602 | Alstead, NH | 7.5 mi | 2,381 |
| 03604 | Drewsville, NH | 8.0 mi | 0 |
| 03609 | North Walpole, NH | 8.1 mi | 523 |
| 03743 | Claremont, NH | 8.1 mi | 13,704 |
| 05101 | Bellows Falls, VT | 8.2 mi | 4,165 |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
Buying a home in 03603?
A typical home in ZIP code 03603 is worth about $306,800 (Zillow Home Value Index). The median household here earns $56,731 a year. See what buying here would cost per month, with New Hampshire average taxes and insurance filled in.
Monthly payment for a $306,800 homeWhat can a $56,731 income afford?Rental property numbers
About ZIP code 03603
What city is ZIP code 03603?
ZIP code 03603 is in Charlestown, NH, in Sullivan County.
What county is ZIP code 03603 in?
03603 is mainly in Sullivan County, New Hampshire.
What is the population of ZIP code 03603?
About 5,238 people live in ZIP code 03603, according to the American Community Survey 2020–2024 5-year estimates.
What time zone is ZIP code 03603 in?
03603 is in Eastern Time (UTC−5). It observes daylight saving time.