Residential delivery area · New Hampshire
ZIP Code 03743: Claremont, NH
ZIP code 03743 is in Claremont, New Hampshire, entirely in Sullivan County (Census 2020 ZIP-county file). About 14,000 people live there (Census Bureau, ACS 2020-2024). Median household income is $59,625 (Census Bureau, ACS 2020-2024). By Census place, 73% of its land lies in Claremont; 27% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Claremont · its only residential ZIP
- County
- Sullivan County
- Census places
- Claremont
- Micro area
- Lebanon-Claremont, NH-VT
- House district
- NH-2 119th Congress
- State
- New Hampshire
- Time zone
- Eastern
- Land area
- 59.1 sq mi · 232 people per sq mi
Where is ZIP code 03743?
03743 centers on 43.361°, -72.327° and covers 59.1 square miles of land plus 0.9 of water. It borders 6 ZIP codes: 05030, 03773, 05156, 03745, 03603, 05089.
The map draws ZIP code areas only. For the streets inside 03743, open its center on OpenStreetMap.
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries and the 2023 Gazetteer (2020 ZCTAs); ZIP-to-county shares, Census places and House districts (119th Congress) from the Census 2020 relationship files (shares of land); metro area from the OMB delineation (July 2023); town name and time zone from simplemaps US ZIP Codes (CC BY 4.0).
How does 03743 compare with the rest of Sullivan County?
| Measure | 03743 | In Sullivan County | In NH |
|---|---|---|---|
| People (ACS 2020-2024) | 13,704 | 1st of 18 | 29th of 247 |
| Median household income | $60k | 9th of 10 | 149th of 158 |
| Median home value | $207k | 12th of 12 | 187th of 191 |
Its median household income is higher than in 29% of U.S. residential ZIP codes, and it is denser than 64% of all U.S. residential ZIP codes. ZIP codes at the ACS caps ($250,000 or more for household income, $2,000,000 or more for home value) share the top rank.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B19013, B25077); ranks by PlainZIP over residential ZIP codes (ZCTAs).
How many people live in 03743?
The 2020 Census counted 13,540 people in 03743; the ACS, which samples households over 2020-2024, estimates 13,704. Between the 2010 and 2020 censuses its population fell 4.0% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 13,704
- 2020 Census count
- 13,540−4.0% since 2010 (14,103)
- Households
- 5,245
- Median age
- 43.1
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B01002, B11001); 2020 Census (DHC P1); 2010 Census (SF1 P1).
Who lives in 03743?
Of the 13,704 people the ACS estimates in 03743, 19.1% are under 18 and 21.3% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (88.9%).
- Under 1819.1%
- 18 to 6459.6%
- 65 and older21.3%
- White, not Hispanic88.9%
- Other or two or more5.3%
- Hispanic or Latino3.9%
- Black, not Hispanic1.8%
- Asian, not Hispanic0.2%
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01001 age by sex, B03002 Hispanic or Latino origin by race); shares of the estimated population, small ZIP codes carry wide margins.
What do households in 03743 earn?
Median household income is $59,625 (ACS 2020-2024), the 9th highest of the 10 ranked ZIP codes in Sullivan County. It is not measurably different from 2015-2019 ($59,243 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $59,625±$7,599
- Income per person
- $35,774
- Below the poverty line
- 13.2%
- Unemployed (of the labor force)
- 4.2%
- Adults 25+ with a bachelor's degree
- 21.4%
- Adjusted gross income per tax return, 2022
- $59,2056,600 returns; wages 77% of AGI (IRS)
Source: U.S. Census Bureau, ACS 2020-2024 and 2015-2019 5-year estimates (B19013, B19301, B17001, B23025, B15003; 2015-2019 dollars converted with the BLS CPI-U, 1.22699); IRS Statistics of Income, ZIP code data, tax year 2022 (adjusted gross income per return, filed under the address on the return).
What are homes worth in 03743?
FHFA's house price index for 03743, built from repeat sales and appraisals of the same homes, rose 116% from 2015 to 2025 and rose 99% from 2020 to 2025, and moved +8.8% in 2025.
- Median home value (owners' estimate)
- $206,600
- Median gross rent
- $1,146
- Homes owned by their occupants
- 58.2%
- Housing units
- 5,863
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001); FHFA House Price Index, annual five-digit ZIP, updated 2026-03-31.
What businesses are in 03743?
357 business establishments had a location in this ZIP code in 2023, 2 more than in 2018; the most are in retail trade (ZIP Code Business Patterns).
- Retail trade79
- Health care and social assistance49
- Construction31
- Accommodation and food services30
- Manufacturing29
- Other services (except public administration)24
Source: U.S. Census Bureau, ZIP Code Business Patterns 2023 and 2018 (establishments with paid employees, by the business's ZIP code).
Which ZIP codes are next to 03743?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 05030 | Ascutney, VT | 111 | – | 4.9 mi |
| 03773 | Newport | 7,681 | $81k | 6.3 mi |
| 05156 | Springfield, VT | 9,116 | $67k | 7.6 mi |
| 03745 | Cornish | 1,816 | $92k | 7.8 mi |
| 03603 | Charlestown | 5,238 | $57k | 8.1 mi |
| 05089 | Windsor, VT | 4,462 | $56k | 11.0 mi |
| 03601 | Acworth | 382 | $81k | 8.0 mi (near) |
| 05151 | Perkinsville, VT | 1,590 | $97k | 8.9 mi (near) |
| 05150 | North Springfield, VT | 418 | $68k | 10.3 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.