PlainZIP

Charlestown, NH · standard

ZIP Code 03603

Sullivan County, New Hampshire - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.

5,412
49/sq mi
$56,731
Median income
$230,400
Median home value
14.4%
Bachelor's or higher

The verdict

Charlestown pairs one of the lowest household incomes in the country with above-median home values, in a rural, homeowner-dominated area.

24th pct
household income, US ZIPs
Top 48%
home value, US ZIPs
49
people per sq mi
81%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 03603 against every reporting US ZIP.

ZIP code 03603 is a mid-sized community (a standard USPS delivery area) in Charlestown, Sullivan County, New Hampshire, home to 5,412 residents across 110.4 square miles, a density of 49 people per square mile, in the New York time zone.

ZIP 03603 reports a modest median household income of $56,731 (45% below the New Hampshire average), while per-capita income is $32,361. Poverty here runs at 14.3%, with unemployment measured at 4.7%. Housing costs here run $230,400 for a typical home value (43% below the state average), with rent averaging $1,096 a month; 80.6% of homes are owner-occupied.

Formal educational attainment runs low here: just 14.4% of adults hold a bachelor's degree or higher, the median age is 44.8, and the average commute is 24 minutes. Beyond these figures, 10 nearby ZIP codes within about 10 miles are surfaced below, along with 6 more sharing Sullivan County, letting you compare 03603 to its immediate surroundings rather than a national baseline alone.

Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →

Top industries in ZIP 03603

Top 5 sectors by establishment count in Charlestown, NH

Which industries have the most business establishments in ZIP 03603.

establishments

What this shows Establishment counts come from the Census ZIP Code Business Patterns program, which counts physical business locations rather than employees or revenue.

Source U.S. Census Bureau · ZIP Code Business Patterns (ZBP) As of 2023

Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + FHFA HPI ACS demographics and median rent, ZBP business establishments, FHFA HPI for ZIP 03603, Charlestown, NH · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; FHFA HPI updated quarterly/annually.

Quick Facts

5,412

Population

110.4

Area (sq mi)

49

People / sq mi

New York

Time Zone

standard

ZIP Type

Neighborhood Scorecard
Get an A-F grade across income, safety, housing, rent, education, commute, and childcare for this ZIP code.
View Scorecard →

Who lives in ZIP 03603?

44.8

Median Age

50.0%

Male

50.0%

Female

0.7%

Foreign-Born

White 90.7%
African American 0.1%
Asian 0.0%
American Indian or Alaska Native 0.0%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 9.1%
Hispanic or Latino 0.4%

Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

How much do residents earn?

$56,731

Median Household Income

-45% vs state

$32,361

Per Capita Income

14.3%

Poverty Rate

4.7%

Unemployment Rate

23.7 min

Mean Commute Time

How ZIP 03603 ranks nationally

Charlestown, NH household income vs. every US ZIP code

Median household income, the full national distribution, with this ZIP marked

$56,731 24th percentile higher than 24% of 30,318 US ZIPs

$0–$20,000: 118 US ZIPs (0%). Below this entry. $20,000–$40,000: 1,573 US ZIPs (5%). Below this entry. $40,000–$60,000: 7,092 US ZIPs (23%). This entry sits in this band. $60,000–$80,000: 9,980 US ZIPs (33%). Above this entry. $80,000–$100,000: 5,778 US ZIPs (19%). Above this entry. $100,000–$120,000: 2,855 US ZIPs (9%). Above this entry. $120,000–$140,000: 1,362 US ZIPs (4%). Above this entry. $140,000–$160,000: 686 US ZIPs (2%). Above this entry. $160,000–$180,000: 364 US ZIPs (1%). Above this entry. $180,000–$200,000: 186 US ZIPs (1%). Above this entry. $200,000–$220,000: 324 US ZIPs (1%). Above this entry. This ZIP $0 $200K+ every reporting US ZIP, bucketed by value

Each bar is a $20K-wide band; taller bars hold more US ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source U.S. Census Bureau, ACS 5-Year Estimates · 2019–2023

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What is the education profile here?

High School Graduate or Higher 61.1%
Bachelor's Degree or Higher 14.4%

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What does housing look like?

2,036

Total Housing Units

1,726

Occupied Units

310

Vacant Units

3.01

Avg Household Size

Occupancy Type

Owner 80.6%
Renter 19.4%

$230,400

Median Home Value

-43% vs state

$1,096

Median Rent

1978

Median Year Built

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What businesses operate in this ZIP?

Census Bureau data shows 77 business establishments in ZIP 03603, employing approximately 1,840 people with a combined annual payroll of $117,305,000.

77

Businesses

1,840

Employees

$117.3M

Annual Payroll

11

Industry Sectors

Industry Establishments % of Total
Construction 15 19.5%
Other services (except public administration) 11 14.3%
Manufacturing 10 13.0%
Retail trade 10 13.0%
Wholesale trade 4 5.2%
Finance and insurance 4 5.2%
Administrative and support and waste management and remediation services 4 5.2%
Transportation and warehousing 3 3.9%
Professional, scientific, and technical services 3 3.9%
Health care and social assistance 3 3.9%
Accommodation and food services 3 3.9%

Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.

Nearby ZIP Codes

Want a side-by-side? Compare 03603 vs 03601 →

ZIP 03603 vs its nearest neighbors, by population

Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.

residents

What this shows Among its immediate neighbors, ZIP 03603 ranks #3 by population - useful context the national average alone can't give.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023

ZIP 03603 vs its nearest neighbors, by median income

Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.

median income

What this shows By household income, ZIP 03603 ranks #null of 9 neighboring ZIPs, local affluence varies block to block, not just metro to metro.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023
ZIP Code City Population Distance
03601 Acworth, NH 477 4.5 mi
03604 Drewsville, NH 69 8.5 mi
05156 Springfield, VT 9,226 5.8 mi
03743 Claremont, NH 14,103 7.9 mi
03607 South Acworth, NH 322 6.9 mi
03602 Alstead, NH 2,654 8.5 mi
03609 North Walpole, NH 854 8.1 mi
05101 Bellows Falls, VT 4,643 7.6 mi
05150 North Springfield, VT 831 9.4 mi
05151 Perkinsville, VT 1,553 11.5 mi

More ZIP Codes in Sullivan County

03743 standard
Claremont, NH
Pop: 14,103
03773 standard
Newport, NH
Pop: 7,841
03753 standard
Grantham, NH
Pop: 2,971
03782 standard
Sunapee, NH
Pop: 2,945
03781 standard
Plainfield, NH
Pop: 1,840
03745 standard
Cornish, NH
Pop: 1,424

Related Areas

Sullivan County Charlestown, NH New Hampshire

Frequently Asked Questions

What county is ZIP code 03603 in? ▼
ZIP code 03603 (Charlestown) is located in Sullivan County, New Hampshire. Sullivan County contains multiple ZIP codes, see the full list at /counties/sullivan-nh.
What is the population of ZIP code 03603? ▼
ZIP code 03603 in Charlestown, NH has a population of 5,412 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 03603? ▼
The median household income in ZIP 03603 is $56,731, which is 26% below the national average of $76,288.
What is the average home value in ZIP 03603? ▼
The median home value in ZIP 03603 is $230,400, which is 17% below the national average of $278,155.
What is the demographic makeup of ZIP 03603? ▼
The largest racial group in ZIP 03603 is White at 90.7%. Hispanic or Latino residents make up 0.4% of the population.
How many businesses are in ZIP code 03603? ▼
ZIP code 03603 has 77 business establishments employing approximately 1,840 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 03603? ▼
The top industries by establishment count in ZIP 03603 are: Construction (15), Other services (except public administration) (11), Manufacturing (10). There are 11 industry sectors represented in total.
What is the education level in ZIP code 03603? ▼
In ZIP code 03603, 61.1% of residents aged 25+ have a high school diploma or higher, and 14.4% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What is the average commute time in ZIP 03603? ▼
The mean commute time for workers in ZIP code 03603 is 23.7 minutes according to Census ACS data. The national average is roughly 26 minutes, so commuters here spend less time traveling to work than typical.
What percentage of residents own vs. rent in ZIP 03603? ▼
In ZIP code 03603, approximately 80.6% of occupied housing units are owner-occupied and 19.4% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 03603? ▼
The poverty rate in ZIP code 03603 is 14.3% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.

Read our methodology to see how this data is sourced, computed, and verified.