Residential delivery area · New Hampshire
ZIP Code 03818: Conway, NH
ZIP code 03818 uses the postal name Conway, New Hampshire and lies entirely in Carroll County (Census 2020 ZIP-county file). About 3,800 people live there (Census Bureau, ACS 2020-2024). Median household income is $77,134 (Census Bureau, ACS 2020-2024). By Census place, 5% of its land lies in Conway (a census-designated place); 95% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Conway · its only residential ZIP
- County
- Carroll County
- Census places
- Conway census-designated place
- House districts
- NH-2 (89%), NH-1 (11%) 119th Congress, by share of land
- State
- New Hampshire
- Time zone
- Eastern
- Land area
- 84.5 sq mi · 45 people per sq mi
Where is ZIP code 03818?
03818 centers on 43.959°, -71.274° and covers 84.5 square miles of land plus 1.1 of water. It borders 11 ZIP codes: 03897, 03817, 03875, 03886, 03812, 03849, 03860, 03215, 03832, 03259 and more.
The map draws ZIP code areas only. For the streets inside 03818, 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 03818 compare with the rest of Carroll County?
| Measure | 03818 | In Carroll County | In NH |
|---|---|---|---|
| People (ACS 2020-2024) | 3,805 | 5th of 30 | 104th of 247 |
| Median household income | $77k | 7th of 12 | 128th of 158 |
| Median home value | $325k | 14th of 16 | 138th of 191 |
Its median household income is higher than in 58% of U.S. residential ZIP codes, and it is denser than 40% 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 03818?
The 2020 Census counted 3,478 people in 03818; the ACS, which samples households over 2020-2024, estimates 3,805. Between the 2010 and 2020 censuses its population fell 8.6% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 3,805±578 (90% margin)
- 2020 Census count
- 3,478−8.6% since 2010 (3,807)
- Households
- 1,568
- Median age
- 42.0
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 03818?
Of the 3,805 people the ACS estimates in 03818, 16.8% are under 18 and 21.4% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (91.5%).
- Under 1816.8%
- 18 to 6461.9%
- 65 and older21.4%
- White, not Hispanic91.5%
- Asian, not Hispanic4.4%
- Other or two or more2.4%
- Hispanic or Latino1.7%
- 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 03818 earn?
Median household income is $77,134 (ACS 2020-2024), the 7th highest of the 12 ranked ZIP codes in Carroll County. It is not measurably different from 2015-2019 ($63,866 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $77,134±$16,455
- Income per person
- $44,029
- Below the poverty line
- 8.0%
- Unemployed (of the labor force)
- 15.5%
- Adults 25+ with a bachelor's degree
- 44.4%
- Adjusted gross income per tax return, 2022
- $76,4032,160 returns; wages 59% 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 03818?
FHFA's house price index for 03818, built from repeat sales and appraisals of the same homes, rose 125% from 2015 to 2025 and rose 79% from 2020 to 2025, and moved +3.1% in 2025.
- Median home value (owners' estimate)
- $324,800
- Median gross rent
- $974
- Homes owned by their occupants
- 66.1%
- Housing units
- 2,054
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 03818?
191 business establishments had a location in this ZIP code in 2023, 6 fewer than in 2018; the most are in construction (ZIP Code Business Patterns).
- Construction28
- Health care and social assistance26
- Retail trade24
- Professional, scientific, and technical services19
- Accommodation and food services19
- Other services (except public administration)18
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 03818?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 03897 | Wonalancet | 8 | – | 4.5 mi |
| 03817 | Chocorua | 1,066 | – | 5.1 mi |
| 03875 | Silver Lake | 1,005 | $116k | 5.6 mi |
| 03886 | Tamworth | 1,618 | $75k | 6.7 mi |
| 03812 | Bartlett | 1,116 | – | 8.5 mi |
| 03849 | Madison | 1,465 | $96k | 8.5 mi |
| 03860 | North Conway | 3,693 | $72k | 9.4 mi |
| 03215 | Waterville Valley | 290 | $106k | 10.5 mi |
| 03832 | Eaton Center | 501 | $79k | 11.9 mi |
| 03259 | North Sandwich | 252 | $85k | 12.5 mi |
| 03813 | Center Conway | 4,273 | $57k | 15.7 mi |
| 03890 | West Ossipee | 164 | – | 10.5 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.