Residential delivery area · New Hampshire
ZIP Code 03755: Hanover, NH
ZIP code 03755 uses the postal name Hanover, New Hampshire and lies entirely in Grafton County (Census 2020 ZIP-county file). About 11,000 people live there (Census Bureau, ACS 2020-2024). Median household income is $165,884 (Census Bureau, ACS 2020-2024). By Census place, 16% of its land lies in Hanover (a census-designated place); 85% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Hanover · its only residential ZIP
- County
- Grafton County
- Census places
- Hanover census-designated place
- Micro area
- Lebanon-Claremont, NH-VT
- House district
- NH-2 119th Congress
- State
- New Hampshire
- Time zone
- Eastern
- Land area
- 29.2 sq mi · 362 people per sq mi
Where is ZIP code 03755?
03755 centers on 43.732°, -72.139° and covers 29.2 square miles of land plus 0.9 of water. It borders 8 ZIP codes: 03750, 03768, 05043, 03741, 03766, 03748, 05055, 03784.
The map draws ZIP code areas only. For the streets inside 03755, 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 03755 compare with the rest of Grafton County?
| Measure | 03755 | In Grafton County | In NH |
|---|---|---|---|
| People (ACS 2020-2024) | 10,569 | 2nd of 37 | 35th of 247 |
| Median household income | $166k | 2nd of 16 | 8th of 158 |
| Median home value | $815k | 2nd of 27 | 3rd of 191 |
Its median household income is higher than in 98% of U.S. residential ZIP codes, and it is denser than 69% 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 03755?
The 2020 Census counted 10,926 people in 03755; the ACS, which samples households over 2020-2024, estimates 10,569. Its boundary changed between the 2010 and 2020 censuses, so the two counts are not compared.
- People, ACS 2020-2024
- 10,569
- 2020 Census count
- 10,926
- Households
- 3,013
- Median age
- 23.5
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 03755?
Of the 10,569 people the ACS estimates in 03755, 12.5% are under 18 and 19.4% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (70.4%), then Asian (not Hispanic) (13.9%).
- Under 1812.5%
- 18 to 6468.1%
- 65 and older19.4%
- White, not Hispanic70.4%
- Asian, not Hispanic13.9%
- Other or two or more7.2%
- Hispanic or Latino5.5%
- Black, not Hispanic3.0%
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 03755 earn?
Median household income is $165,884 (ACS 2020-2024), the 2nd highest of the 16 ranked ZIP codes in Grafton County.
- Median household income
- $165,884±$28,558
- Income per person
- $64,732
- Below the poverty line
- 6.6%
- Unemployed (of the labor force)
- 7.2%
- Adults 25+ with a bachelor's degree
- 87.0%
- Adjusted gross income per tax return, 2022
- $250,7703,420 returns; wages 48% 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 03755?
FHFA's house price index for 03755, built from repeat sales and appraisals of the same homes, rose 102% from 2015 to 2025 and rose 67% from 2020 to 2025, and moved +6.5% in 2025.
- Median home value (owners' estimate)
- $814,600
- Median gross rent
- $2,253
- Homes owned by their occupants
- 70.8%
- Housing units
- 3,597
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 03755?
255 business establishments had a location in this ZIP code in 2023, 6 fewer than in 2018; the most are in health care and social assistance (ZIP Code Business Patterns).
- Health care and social assistance37
- Professional, scientific, and technical services32
- Accommodation and food services32
- Finance and insurance31
- Other services (except public administration)30
- Retail trade27
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 03755?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 03750 | Etna | 1,116 | $250k+ | 2.4 mi |
| 03768 | Lyme | 1,710 | $134k | 6.2 mi |
| 05043 | East Thetford, VT | 907 | $72k | 6.2 mi |
| 03741 | Canaan | 4,131 | $82k | 7.6 mi |
| 03766 | Lebanon | 11,195 | $101k | 8.4 mi |
| 03748 | Enfield | 4,563 | $95k | 9.0 mi |
| 05055 | Norwich, VT | 3,463 | $143k | 9.7 mi |
| 03784 | West Lebanon | 3,804 | $91k | 10.6 mi |
| 05088 | Wilder, VT | 581 | $72k | 9.3 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.