Residential delivery area · New Hampshire
ZIP Code 03750: Etna, NH
ZIP code 03750 uses the postal name Etna, New Hampshire and lies entirely in Grafton County (Census 2020 ZIP-county file). About 1,100 people live there (Census Bureau, ACS 2020-2024). Median household income is $250,000 or more (Census Bureau, ACS 2020-2024). Its land lies outside any incorporated or census-designated place.
- ACS2020-24
- Census2020
- FHFA2021
- ZBP2023
- IRS2022
- Town
- Etna · its only residential ZIP
- County
- Grafton County
- Micro area
- Lebanon-Claremont, NH-VT
- House district
- NH-2 119th Congress
- State
- New Hampshire
- Time zone
- Eastern
- Land area
- 15.8 sq mi · 71 people per sq mi
Where is ZIP code 03750?
03750 centers on 43.721°, -72.185° and covers 15.8 square miles of land plus 0.2 of water. It borders 4 ZIP codes: 03755, 03766, 03748, 03741.
The map draws ZIP code areas only. For the streets inside 03750, 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 03750 compare with the rest of Grafton County?
| Measure | 03750 | In Grafton County | In NH |
|---|---|---|---|
| People (ACS 2020-2024) | 1,116 | 25th of 37 | 189th of 247 |
| Median household income | $250k+ | 1st of 16 | 1st of 158 |
| Median home value | $881k | 1st of 27 | 2nd of 191 |
Its median household income is at the Census cap of $250,000 or more, like 117 other U.S. residential ZIP codes (69 of the 118 are large enough to rank), and it is denser than 48% 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 03750?
The 2020 Census counted 938 people in 03750; the ACS, which samples households over 2020-2024, estimates 1,116. Its boundary changed between the 2010 and 2020 censuses, so the two counts are not compared.
- People, ACS 2020-2024
- 1,116±279 (90% margin)
- 2020 Census count
- 938
- Households
- 365
- Median age
- 40.7
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 03750?
Of the 1,116 people the ACS estimates in 03750, 31.9% are under 18 and 22.5% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (82.0%), then Other or two or more (16.5%).
- Under 1831.9%
- 18 to 6445.6%
- 65 and older22.5%
- White, not Hispanic82.0%
- Other or two or more16.5%
- Asian, not Hispanic1.5%
- Hispanic or Latino0.0%
- Black, not Hispanic0.0%
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 03750 earn?
Median household income is $250,000 or more (ACS 2020-2024), the highest of the 16 ranked ZIP codes in Grafton County.
By IRS adjusted gross income per tax return ($500,675, 2022), 03750 ranks 99th in the U.S. among ZIP codes of 1,000+ people with 200+ returns and at most 1.5 returns per household (see the ranking).
- Median household income
- $250,000 or more
- Income per person
- $97,046
- Below the poverty line
- 0.0%
- Unemployed (of the labor force)
- 2.5%
- Adults 25+ with a bachelor's degree
- 96.8%
- Adjusted gross income per tax return, 2022
- $500,675530 returns; wages 29% 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 03750?
- Median home value (owners' estimate)
- $881,000
- Median gross rent
- –
- Homes owned by their occupants
- 97.3%
- Housing units
- 459
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 03750?
24 business establishments had a location in this ZIP code in 2023, 9 more than in 2018; the most are in professional, scientific, and technical services (ZIP Code Business Patterns).
- Professional, scientific, and technical services5
- Educational services5
- Construction4
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 03750?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 03755 | Hanover | 10,569 | $166k | 2.4 mi |
| 03766 | Lebanon | 11,195 | $101k | 6.6 mi |
| 03748 | Enfield | 4,563 | $95k | 8.8 mi |
| 03741 | Canaan | 4,131 | $82k | 9.4 mi |
| 05043 | East Thetford, VT | 907 | $72k | 6.0 mi (near) |
| 05088 | Wilder, VT | 581 | $72k | 6.8 mi (near) |
| 05055 | Norwich, VT | 3,463 | $143k | 8.0 mi (near) |
| 03768 | Lyme | 1,710 | $134k | 8.0 mi (near) |
| 03784 | West Lebanon | 3,804 | $91k | 8.3 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.