Residential delivery area · New Hampshire
ZIP Code 03227: Center Sandwich, NH
ZIP code 03227 uses the postal name Center Sandwich, New Hampshire and lies entirely in Carroll County (Census 2020 ZIP-county file). About 1,400 people live there (Census Bureau, ACS 2020-2024). Median household income is $146,917 (Census Bureau, ACS 2020-2024). By Census place, 1% of its land lies in Center Sandwich (a census-designated place); 99% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Center Sandwich · its only residential ZIP
- County
- Carroll County
- Census places
- Center Sandwich census-designated place
- House district
- NH-2 119th Congress
- State
- New Hampshire
- Time zone
- Eastern
- Land area
- 51.4 sq mi · 27 people per sq mi
Where is ZIP code 03227?
03227 centers on 43.817°, -71.461° and covers 51.4 square miles of land plus 3.1 of water. It borders 6 ZIP codes: 03259, 03883, 03245, 03254, 03223, 03285.
The map draws ZIP code areas only. For the streets inside 03227, 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 03227 compare with the rest of Carroll County?
| Measure | 03227 | In Carroll County | In NH |
|---|---|---|---|
| People (ACS 2020-2024) | 1,388 | 15th of 30 | 177th of 247 |
| Median household income | $147k | not ranked | not ranked |
| Median home value | $452k | not ranked | not ranked |
03227's median household income is not ranked: its 90% margin of error (±$58,107) is more than a quarter of the figure ($146,917); 03227's median home value is not ranked: its 90% margin of error (±$120,955) is more than a quarter of the figure ($452,000). Rankings use ZIP codes of 1,000 or more people living in households, with margins at most 25% of the figure.
It is denser than 31% of 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 03227?
The 2020 Census counted 1,113 people in 03227; the ACS, which samples households over 2020-2024, estimates 1,388. Its boundary changed between the 2010 and 2020 censuses, so the two counts are not compared.
- People, ACS 2020-2024
- 1,388±263 (90% margin)
- 2020 Census count
- 1,113
- Households
- 724
- Median age
- 63.3
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 03227?
Of the 1,388 people the ACS estimates in 03227, 7.5% are under 18 and 45.2% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (96.5%).
- Under 187.5%
- 18 to 6447.3%
- 65 and older45.2%
- White, not Hispanic96.5%
- Other or two or more3.5%
- Asian, not Hispanic0.1%
- Hispanic or Latino0.0%
- Black, not Hispanic0.0%
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 03227 earn?
Median household income is $146,917 (ACS 2020-2024).
- Median household income
- $146,917±$58,107
- Income per person
- $108,247
- Below the poverty line
- 5.8%
- Unemployed (of the labor force)
- 11.2%
- Adults 25+ with a bachelor's degree
- 64.6%
- Adjusted gross income per tax return, 2022
- $120,880610 returns; wages 36% 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 03227?
FHFA's house price index for 03227, built from repeat sales and appraisals of the same homes, rose 104% from 2015 to 2025 and rose 60% from 2020 to 2025.
- Median home value (owners' estimate)
- $452,000
- Median gross rent
- $1,571
- Homes owned by their occupants
- 92.7%
- Housing units
- 1,014
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 03227?
32 business establishments had a location in this ZIP code in 2023, the same count as in 2018; the most are in construction (ZIP Code Business Patterns).
- Construction6
- Arts, entertainment, and recreation5
- Professional, scientific, and technical services4
- Administrative and support and waste management and remediation services4
- Accommodation and food services3
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 03227?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 03259 | North Sandwich | 252 | $85k | 4.6 mi |
| 03883 | South Tamworth | 233 | $68k | 7.0 mi |
| 03245 | Holderness | 1,917 | $108k | 7.2 mi |
| 03254 | Moultonborough | 5,172 | $106k | 8.4 mi |
| 03223 | Campton | 3,441 | $119k | 11.5 mi |
| 03285 | Thornton | 2,799 | $90k | 12.6 mi |
| 03226 | Center Harbor | 1,005 | $108k | 8.3 mi (near) |
| 03886 | Tamworth | 1,618 | $75k | 8.8 mi (near) |
| 03897 | Wonalancet | 8 | – | 9.1 mi (near) |
| 03217 | Ashland | 2,183 | $55k | 11.1 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.