Residential delivery area · New Hampshire
ZIP Code 03301: Concord, NH
ZIP code 03301 is in Concord, New Hampshire, entirely in Merrimack County (Census 2020 ZIP-county file). About 34,000 people live there (Census Bureau, ACS 2020-2024), the more populous of Concord's 2 residential ZIP codes. Median household income is $86,840 (Census Bureau, ACS 2020-2024).
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Concord · 2 residential ZIPs
- County
- Merrimack County
- Census places
- Concord
- Micro area
- Concord, NH
- House district
- NH-2 119th Congress
- State
- New Hampshire
- Time zone
- Eastern
- Land area
- 49.2 sq mi · 691 people per sq mi
Where is ZIP code 03301?
03301 centers on 43.239°, -71.556° and covers 49.2 square miles of land plus 2.8 of water. It borders 6 ZIP codes: 03304, 03303, 03229, 03224, 03275, 03307.
The map draws ZIP code areas only. For the streets inside 03301, 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 03301 compare with the rest of Concord?
| Measure | 03301 | In Concord | In Merrimack County | In NH |
|---|---|---|---|---|
| People (ACS 2020-2024) | 33,995 | 1st of 2 | 1st of 29 | 4th of 247 |
| Median household income | $87k | 1st of 2 | 15th of 21 | 108th of 158 |
| Median home value | $371k | 1st of 2 | 10th of 24 | 101st of 191 |
Its median household income is higher than in 70% of U.S. residential ZIP codes, and it is denser than 75% 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 03301?
The 2020 Census counted 33,352 people in 03301; the ACS, which samples households over 2020-2024, estimates 33,995. Between the 2010 and 2020 censuses its population grew 1.0% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 33,995
- 2020 Census count
- 33,352+1.0% since 2010 (33,008)
- Households
- 13,856
- Median age
- 40.4
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 03301?
Of the 33,995 people the ACS estimates in 03301, 16.6% are under 18 and 19.3% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (84.2%).
- Under 1816.6%
- 18 to 6464.1%
- 65 and older19.3%
- White, not Hispanic84.2%
- Black, not Hispanic4.5%
- Other or two or more4.4%
- Hispanic or Latino3.9%
- Asian, 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 03301 earn?
Median household income is $86,840 (ACS 2020-2024), the 15th highest of the 21 ranked ZIP codes in Merrimack County. It is not measurably different from 2015-2019 ($80,568 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $86,840
- Income per person
- $48,278
- Below the poverty line
- 8.8%
- Unemployed (of the labor force)
- 4.5%
- Adults 25+ with a bachelor's degree
- 44.9%
- Adjusted gross income per tax return, 2022
- $88,04916,430 returns; wages 68% 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 03301?
FHFA's house price index for 03301, built from repeat sales and appraisals of the same homes, rose 114% from 2015 to 2025 and rose 69% from 2020 to 2025, and moved +4.9% in 2025.
- Median home value (owners' estimate)
- $371,300
- Median gross rent
- $1,441
- Homes owned by their occupants
- 55.5%
- Housing units
- 14,685
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 03301?
1,527 business establishments had a location in this ZIP code in 2023, 26 fewer than in 2018; the most are in other services (except public administration) (ZIP Code Business Patterns).
- Other services (except public administration)236
- Health care and social assistance228
- Retail trade219
- Professional, scientific, and technical services177
- Accommodation and food services131
- Finance and insurance109
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 03301?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 03304 | Bow | 8,335 | $173k | 7.3 mi |
| 03303 | Concord | 16,571 | $81k | 7.5 mi |
| 03229 | Contoocook | 6,046 | $137k | 7.5 mi |
| 03224 | Canterbury | 2,392 | $138k | 7.8 mi |
| 03275 | Suncook | 12,205 | $83k | 8.3 mi |
| 03307 | Loudon | 5,724 | $107k | 8.6 mi |
| 03258 | Chichester | 2,721 | $109k | 7.6 mi (near) |
| 03046 | Dunbarton | 3,097 | $124k | 9.1 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.