Residential delivery area · New Hampshire
ZIP Code 03046: Dunbarton, NH
ZIP code 03046 uses the postal name Dunbarton, New Hampshire and lies entirely in Merrimack County (Census 2020 ZIP-county file). About 3,100 people live there (Census Bureau, ACS 2020-2024). Median household income is $124,348 (Census Bureau, ACS 2020-2024). Its land lies outside any incorporated or census-designated place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Dunbarton · its only residential ZIP
- County
- Merrimack County
- Micro area
- Concord, NH
- House district
- NH-2 119th Congress
- State
- New Hampshire
- Time zone
- Eastern
- Land area
- 30.9 sq mi · 100 people per sq mi
Where is ZIP code 03046?
03046 centers on 43.112°, -71.607° and covers 30.9 square miles of land plus 0.5 of water. It borders 5 ZIP codes: 03304, 03281, 03045, 03229, 03106.
The map draws ZIP code areas only. For the streets inside 03046, 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 03046 compare with the rest of Merrimack County?
| Measure | 03046 | In Merrimack County | In NH |
|---|---|---|---|
| People (ACS 2020-2024) | 3,097 | 15th of 29 | 118th of 247 |
| Median household income | $124k | 3rd of 21 | 31st of 158 |
| Median home value | $484k | 4th of 24 | 36th of 191 |
Its median household income is higher than in 92% of U.S. residential ZIP codes, and it is denser than 54% 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 03046?
The 2020 Census counted 3,005 people in 03046; the ACS, which samples households over 2020-2024, estimates 3,097. Between the 2010 and 2020 censuses its population grew 9.0% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 3,097
- 2020 Census count
- 3,005+9.0% since 2010 (2,758)
- Households
- 1,194
- Median age
- 48.0
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 03046?
Of the 3,097 people the ACS estimates in 03046, 19.8% are under 18 and 20.4% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (90.6%).
- Under 1819.8%
- 18 to 6459.8%
- 65 and older20.4%
- White, not Hispanic90.6%
- Other or two or more4.5%
- Asian, not Hispanic2.3%
- Hispanic or Latino1.8%
- Black, not Hispanic0.8%
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 03046 earn?
Median household income is $124,348 (ACS 2020-2024), the 3rd highest of the 21 ranked ZIP codes in Merrimack County. It is not measurably different from 2015-2019 ($149,079 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $124,348±$20,963
- Income per person
- $59,182
- Below the poverty line
- 3.0%
- Unemployed (of the labor force)
- 4.8%
- Adults 25+ with a bachelor's degree
- 39.6%
- Adjusted gross income per tax return, 2022
- $116,2691,590 returns; wages 73% 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 03046?
FHFA's house price index for 03046, built from repeat sales and appraisals of the same homes, rose 110% from 2015 to 2025 and rose 66% from 2020 to 2025, and moved +2.3% in 2025.
- Median home value (owners' estimate)
- $484,100
- Median gross rent
- $1,166
- Homes owned by their occupants
- 95.1%
- Housing units
- 1,233
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 03046?
40 business establishments had a location in this ZIP code in 2023, 3 more than in 2018; the most are in construction (ZIP Code Business Patterns).
- Construction14
- Professional, scientific, and technical services7
- Administrative and support and waste management and remediation services7
- Information4
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 03046?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 03304 | Bow | 8,335 | $173k | 3.8 mi |
| 03281 | Weare | 9,170 | $118k | 5.4 mi |
| 03045 | Goffstown | 14,080 | $119k | 6.7 mi |
| 03229 | Contoocook | 6,046 | $137k | 7.7 mi |
| 03106 | Hooksett | 15,032 | $118k | 8.4 mi |
| 03102 | Manchester | 33,959 | $74k | 9.1 mi (near) |
| 03301 | Concord | 33,995 | $87k | 9.1 mi (near) |
| 03070 | New Boston | 6,177 | $154k | 10.2 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.