US ZIP Code
03603

Charlestown, NH

Sullivan County  ·  New Hampshire

● Active
👥 5,272 Population
💰 $55,266 Median HH Income
▼ 28% below avg ↑ 11% since 2019
🎂 48.2 Median Age
🏠 $181,500 Median Home Value
▼ 35% below avg ↑ 59% since 2019
🎓 34.8% College Grads
▼ 10% below avg
📊 2.1% Unemployment
▼ 56% below avg ↓ 63% since 2019
ZIP Code Details
ZIP Code03603
CityCharlestown
StateNew Hampshire (NH)
CountySullivan County
Area Code603
Elevation865 ft
Latitude43.247906
Longitude-72.373709
TimezoneNew York (DST)
FIPS33019
ZIP TypeStandard
StatusActive
People & Population (ACS 2023)
♂ Male 47.2% (2,489) Female 52.8% (2,783) ♀

Race & Ethnicity

White: 90%Hispanic: 0.4%Black: 0.3%Asian: 2.2%Other: 7%Race
White90.0%
Hispanic0.4%
Black0.3%
Asian2.2%
Other7.0%

Age Breakdown

Under 5
6%
5–17
13%
18–24
4%
25–44
23%
45–64
29%
65+
12%

Key Indicators

Median Age48.2 yrs
Avg Household Size2.66
Below Poverty13.5% ▲ 35% above avg
College Grads34.8% ▼ 10% below avg
Unemployment2.1% ▼ 56% below avg
No HS Diploma23 (0.6%)
HS Graduate1,377 (36.8%)
Some College313 (8.4%)
Associates725 (19.4%)
Bachelors569 (15.2%)
Graduate Degree733 (19.6%)

Education

No HS: 0.6%HS Grad: 36.8%Some College: 8.4%Associates: 19.4%Bachelors: 15.2%Graduate: 19.6%Edu
No HS0.6%
HS Grad36.8%
Some College8.4%
Associates19.4%
Bachelors15.2%
Graduate19.6%
Housing & Income

Housing Tenure

Owner: 75.6%Renter: 24.4%Tenure
Owner75.6%
Renter24.4%

Home Value Distribution

Under $50k
14%
$50k–100k
12%
$100k–150k
14%
$150k–200k
11%
$200k–300k
39%
$300k–500k
7%
Over $500k
2%

Financials

Median HH Income$55,266 ▼ 28% below avg ↑ 11% since 2019
Median Home Value$181,500 ▼ 35% below avg ↑ 59% since 2019
Home/Income Ratio3.3x (nat avg ~3.5x)
Median Rent$1,169/mo ↑ 21% since 2019
Total Units2,240
Vacant Units272
Avg HH Size2.66

Income Distribution

Under $25k
23%
$25k–50k
26%
$50k–75k
10%
$75k–100k
11%
$100k–150k
17%
$150k–200k
4%
Over $200k
9%
Employment & Commute

How People Get to Work

Drove Alone
87%
Walked
3%
Work From Home
9%

Commute Time

Under 15 min
28%
15–30 min
39%
30–45 min
22%
Over 45 min
11%
Housing Stock

Year Built

Before 1940
1%
1940s–1950s
12%
1960s–1970s
25%
1980s–1990s
7%
2000+
55%

Summary

Total Units2,240
Vacant272
Owner Occupied75.6%
Renter Occupied24.4%
Avg HH Size2.66
Frequently Asked Questions
ZIP code 03603 is in Charlestown, NH, in Sullivan County.
ZIP code 03603 is located in New Hampshire (NH).
ZIP code 03603 is in Sullivan County, NH.
ZIP 03603 observes the New York timezone. Daylight Saving Time is observed.
The estimated population of ZIP code 03603 is 5,272 people (ACS 2023).
The median household income in ZIP code 03603 is $55,266 (ACS 2023).
The median home value in ZIP 03603 is $181,500 (ACS 2023).
About ZIP Code 03603

ZIP code 03603 is located in Charlestown, New Hampshire, within Sullivan County. With a population of 5,272, this is a lightly populated ZIP code with a mature community — the median age is 48.2 years. Economically, 03603 is a solidly middle-class ZIP code: the median household income of $55,266 is below the national average.

Real estate in ZIP code 03603 represents an affordable housing market. The median home value of $181,500 is below the national average. Renters can expect to pay around $1,169 per month in median rent. Homeownership is strong here — 75.6% of occupied units are owner-occupied, suggesting an established, stable residential community. Median home values have increased by 59% since 2019.

The population of 03603 is primarily White (90.04%). Residents are moderately educated — 34.8% hold a bachelor's degree or higher, which is near the national average. Poverty affects some residents at 13.5%. Household income has grown by 11% since 2019.

The unemployment rate in 03603 stands at 2.1%, which is well below the national average. As in most parts of the country, driving alone is the dominant commute mode at 80%.

Overall, ZIP code 03603 in Charlestown, NH is characterized as solidly middle-class, moderately educated, a mature community, and predominantly owner-occupied. With 5,272 residents, a median household income of $55,266, and a median home value of $181,500, it offers a clear picture of life in this part of New Hampshire.