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 Moderate-density area
- $56,731
- Median income Below-median income area
- $230,400
- Median home value Near-median home value
- 14.4%
- Bachelor's or higher Below-average bachelor's attainment
National ZIP placement
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.
FHFA HPI release change
What changed in the latest House Price Index year
- FHFA House Price Index values in ZIP 03603 (Charlestown, NH) rose +13.3% from 2023 to 2024.
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 average New Hampshire ZIP), while per-capita income is $32,361. The poverty rate is 14.3%, with unemployment at 4.7%; those measures add context to the income figure. Home values sit below the statewide ZIP benchmark: the median is $230,400 (43% below the average New Hampshire ZIP), and median rent is $1,096; owner occupancy is 80.6%.
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. The page also surfaces 10 ZIP codes within roughly 10 miles and 6 more in Sullivan County, so 03603 can be compared with both its immediate and county-level context.
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.
- Construction
Construction
15 establishments
- Other services (except public administration)
Other services (except public administration)
11 establishments
- Manufacturing
Manufacturing
10 establishments
- Retail trade
Retail trade
10 establishments
- Wholesale trade 4
Wholesale trade
4 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, 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
Who lives in ZIP 03603?
44.8
Median Age
50.0%
Male
50.0%
Female
0.7%
Foreign-Born
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 ZIP avg
$32,361
Per Capita Income
14.3%
Poverty Rate
4.7%
Unemployment Rate
23.7 min
Mean Commute Time
How ZIP 03603 ranks among New Hampshire ZIPs
Charlestown, NH household income vs. every New Hampshire ZIP code
Median household income among 236 reporting New Hampshire ZIPs (this ZIP's population is too small for a reliable national-corpus placement)
$56,731 3rd percentile higher than 3% of 236 New Hampshire ZIPs
Each bar is a $20K-wide band; taller bars hold more New Hampshire 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?
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What does housing look like?
Housing stock: occupied vs vacant
2,036housing units
2,036
Total Housing Units
1,726
Occupied Units
310
Vacant Units
3.01
Avg Household Size
Occupancy Type
$230,400
Median Home Value
-43% vs state ZIP avg
$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.
- 03743
Claremont (03743)
14,103 residents
- 05156
Springfield (05156)
9,226 residents
- 03603 5,412
Charlestown (03603)
5,412 residents
- 05101 4,643
Bellows Falls (05101)
4,643 residents
- 03602 2,654
Alstead (03602)
2,654 residents
- 05151 1,553
Perkinsville (05151)
1,553 residents
- 03609 854
North Walpole (03609)
854 residents
- 05150 831
North Springfield (05150)
831 residents
- 03601 477
Acworth (03601)
477 residents
What this shows Among its immediate neighbors, ZIP 03603 ranks #3 by population - useful context the national average alone can't give.
ZIP 03603 vs its nearest neighbors, by median income
Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 05151
Perkinsville (05151)
$96,836 median income
- 03607
South Acworth (03607)
$84,306 median income
- 03601
Acworth (03601)
$81,250 median income
- 03609
North Walpole (03609)
$72,391 median income
- 03602
Alstead (03602)
$70,455 median income
- 05101
Bellows Falls (05101)
$70,299 median income
- 05150
North Springfield (05150)
$68,108 median income
- 05156
Springfield (05156)
$66,679 median income
- 03743
Claremont (03743)
$59,625 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.
| 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 |
Nationwide ZIPs with similar ACS profiles
Two Census-derived peer sets for ZIP 03603, both outside NH so the neighborhoods are not geographic containment (Nearby and same-county blocks stay local).
Similar population
Nearest cross-state ZIPs by resident population (5,412 here; floor ≥1,000).
Similar median household income
Nearest cross-state ZIPs by ACS median household income.
More ZIP Codes in Sullivan County
Related Areas
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.
Related
Take this with you
What to do with ZIP 03603's numbers, next.
- See how ZIP 03603 compares to a neighboring ZIP code on the same Census fields Compare this ZIP
- Check where Charlestown, NH ranks among every U.S. ZIP code on income, education, or homeownership View national rankings
- Save this ZIP to your shortlist to track alongside others you're considering View your shortlist
ZIP Code Tabulation Areas (ZCTAs) are Census Bureau approximations of USPS ZIP codes; figures describe the ZCTA area, not any single address within it.