Merrimack
Source:
New Hampshire
Merrimack is a mid-size county in New Hampshire with 28 ZIP codes, 149,854 people, and top-decile household income among US counties. All data is sourced from the U.S. Census Bureau American Community Survey (ACS) 2023 5-Year Estimates.
National county placement
According to ACS 5-Year Estimates, Merrimack, NH sits among US counties with a top-decile household income, on a mid-size county population base, across a multi-ZIP patchwork.
- Top 5%
- household income vs 3,210 US counties
- 149,854
- combined ZIP population
- 28
- USPS ZIP codes covered
- $107,623
- avg ZIP median income
Income percentile ranks this county's average ZIP median household income against 3,210 US counties with ACS income on at least one ZIP.
Merrimack lands in the national county income distribution as top-decile household income on mid-size county footing (FIPS 33013, 28 ZIPs, combined population 149,854). Sort the ZIP table by population before treating the county mean as uniform.
High-income counties with wide ZIP mosaics hide sharp internal gradients. The densest ZIP here is 03301 (Concord) with 33,008 residents - open it beside a thin rural code from the table before treating the county mean as uniform. HUD Fair Market Rents and FBI county tables attach to FIPS 33013, so scorecards stay county-keyed while household income stays ZIP-keyed.
Save two ZIPs from the table into your shortlist, then open a compare link - that is the return path a static county summary cannot replace. All figures here come from Census ACS 2023 5-Year Estimates and USPS ZCTA files.
28
Total ZIPs
149,854
Total Population
ZIP Codes in Merrimack
Side-by-side: Compare 03301 vs 03303 →
| ZIP Code | City | Population | Density |
|---|---|---|---|
| 03301 | Concord | 33,008 | 258 |
| 03303 | Concord | 15,524 | 89 |
| 03106 | Hooksett | 13,374 | 143 |
| 03275 | Suncook | 11,437 | 103 |
| 03235 | Franklin | 8,562 | 111 |
| 03276 | Tilton | 8,324 | 82 |
| 03304 | Bow | 7,519 | 103 |
| 03229 | Contoocook | 5,589 | 50 |
| 03307 | Loudon | 5,334 | 42 |
| 03242 | Henniker | 4,836 | 42 |
| 03234 | Epsom | 4,572 | 51 |
| 03257 | New London | 4,455 | 75 |
| 03263 | Pittsfield | 4,114 | 66 |
| 03278 | Warner | 2,952 | 18 |
| 03046 | Dunbarton | 2,758 | 35 |
| 03258 | Chichester | 2,517 | 46 |
| 03224 | Canterbury | 2,318 | 22 |
| 03216 | Andover | 2,159 | 22 |
| 03221 | Bradford | 2,091 | 18 |
| 03255 | Newbury | 2,090 | 22 |
| 03287 | Wilmot | 1,295 | 19 |
| 03268 | Salisbury | 1,272 | 16 |
| 03230 | Danbury | 1,231 | 12 |
| 03243 | Hill | 1,085 | 16 |
| 03260 | North Sutton | 809 | 13 |
| 03273 | South Sutton | 312 | 20 |
| 03231 | East Andover | 202 | 36 |
| 03233 | Elkins | 115 | 79 |
Frequently Asked Questions
What is the population of Merrimack?
Merrimack has a total population of 149,854 across 28 ZIP codes, based on U.S. Census Bureau ACS 2023 data.
What ZIP codes are in Merrimack?
Merrimack includes 28 ZIP codes: 03301, 03303, 03106, 03275, 03235, 03276, 03304, 03229, 03307, 03242, and more.