Belknap County, NH ZIP Codes
14 ZIP codes cover all or part of Belknap County, New Hampshire. The Census Bureau counts 64,659 residents in the county, with a median household income of $92,783 and a median home value of $374,900. Median household income ranges from $68,242 in 03220 to $148,261 in 03810. Its largest communities include Laconia, Meredith, Belmont, New Hampton and Alton.
Belknap County (Census county figures)
| Measure | Census figure |
|---|---|
| Residents | 64,659 |
| Households | 26,337 |
| Median household income | $92,783 |
| Median home value | $374,900 |
| Median age | 48.4 |
| Median rent | $1,167 |
All 14 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 69,630 |
| Households (sum of ZIP codes) | 28,209 |
| Median household income, range across ZIP codes | $68,242 (03220) to $148,261 (03810) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $90,922 |
| Homeowners | 79.5% |
| Households with kids under 18 | 24.4% |
| Moved in the past year | 9.9% |
| Carrier routes in EDDM2GO's route library | 58 routes, 30,381 homes (12 of 14 ZIP codes) |
Top facts
- Highest median household income in Belknap County: 03810 ($148,261)
- Most residents: 03246 (17,103 people)
- Highest homeownership: 03837 (99.7% own their home)
- Most households with kids: 03225 (32.5% of households)
- Most new movers: 03237 (17.9% moved in last year)
- Youngest median age: 03269 (42.1 years)
- Highest median home value: 03810 ($569,200)
Every ZIP code in Belknap County
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 03246 | Laconia | 17,103 | 7,244 | $73,241 | $339,700 | 64.3% | 22.3% | 11.1% | 17 | 10,083 | 100% of its land |
| 03276 | Tilton | 9,015 | 3,573 | $82,425 | $272,700 | 69.1% | 28.9% | 9.6% | 7 | 3,810 | 28% of its land |
| 03249 | Gilford | 7,830 | 3,044 | $116,635 | $456,500 | 93.1% | 30.6% | 12.6% | 7 | 4,261 | 100% of its land |
| 03220 | Belmont | 7,393 | 3,111 | $68,242 | $316,200 | 82.1% | 23.1% | 10.2% | 5 | 3,226 | 99% of its land |
| 03253 | Meredith | 6,707 | 3,009 | $84,719 | $482,700 | 75.5% | 18.1% | 7.1% | 5 | 3,032 | 100% of its land |
| 03225 | Center Barnstead | 3,834 | 1,359 | $111,660 | $368,400 | 94.6% | 32.5% | 4.7% | 4 | 1,796 | 100% of its land |
| 03809 | Alton | 3,680 | 1,427 | $106,397 | $387,500 | 90.9% | 22.5% | 2.3% | 4 | 1,422 | 100% of its land |
| 03269 | Sanbornton | 3,066 | 1,130 | $107,083 | $450,000 | 86.0% | 31.5% | 11.6% | 3 | 1,251 | 100% of its land |
| 03237 | Gilmanton | 2,575 | 1,097 | $111,359 | $345,400 | 98.9% | 31.0% | 17.9% | 2 | 1,004 | 100% of its land |
| 03256 | New Hampton | 2,497 | 921 | $87,917 | $382,000 | 87.6% | 19.9% | 14.3% | 2 | 908 | 100% of its land |
| 03810 | Alton Bay | 2,314 | 826 | $148,261 | $569,200 | 98.5% | 11.3% | 5.2% | 1 | 772 | 100% of its land |
| 03837 | Gilmanton Iron Works | 1,451 | 602 | $119,712 | $409,600 | 99.7% | 23.4% | 15.3% | — | — | 100% of its land |
| 03218 | Barnstead | 1,160 | 432 | $112,500 | $346,900 | 90.3% | 25.5% | 6.0% | — | — | 100% of its land |
| 03226 | Center Harbor | 1,005 | 434 | $107,500 | $462,800 | 91.5% | 14.7% | 7.2% | 1 | 554 | 100% of its land |
A ZIP code is listed for Belknap County when at least 10% of its land is in the county, when it holds at least 10% of the county's land, or when the county is its main county. Totals add up whole ZIP codes, including parts that cross the county line; the Census county figures above do not.
Cities and communities
- Laconia — 17,085 residents · 1 ZIP code
- Meredith — 2,617 residents · 1 ZIP code
- Belmont — 1,378 residents · 1 ZIP code
- New Hampton — 302 residents · 1 ZIP code
- Alton — 281 residents · 1 ZIP code
Rankings
- Richest ZIP codes in Belknap County — 14 ZIP codes ranked
- ZIP codes with the highest home values in Belknap County — 14 ZIP codes ranked
- ZIP codes with the highest homeownership in Belknap County — 14 ZIP codes ranked
- ZIP codes with the most families with kids in Belknap County — 14 ZIP codes ranked
- ZIP codes with the most new movers in Belknap County — 14 ZIP codes ranked
- Youngest ZIP codes in Belknap County — 14 ZIP codes ranked
- Oldest ZIP codes in Belknap County — 14 ZIP codes ranked
- Fastest-growing ZIP codes in Belknap County — 13 ZIP codes ranked
Price a mailing to Belknap County ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in Belknap County, NH?
- 03246, 03276, 03249, 03220, 03253, 03225, 03809, 03269, 03237, 03256, 03810, 03837, 03218 and 03226. Some cross the county line; the table shows each ZIP's share of land in the county.
- What is the population of Belknap County?
- 64,659 residents in 26,337 households (ACS 5-year estimates, 2020–2024).
- What is the median household income in Belknap County?
- $92,783 for the county as a whole. Its ZIP codes range from $68,242 (03220) to $148,261 (03810).
- Which Belknap County ZIP code has the highest median household income?
- 03810, at $148,261, among ZIP codes with at least 1,000 residents. See the full ranking of Belknap County ZIP codes by income.
- How many carrier routes and mailboxes are in Belknap County?
- For the 12 of 14 ZIP codes in EDDM2GO's stored route library: 58 carrier routes reaching 30,381 residential and 1,734 business mailboxes. The route map loads the rest when you search them.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.