ZIP Code Tabulation Area · New Hampshire

ZIP Code 03220: Belknap County, NH

ZIP Code 03220 (Belknap County, New Hampshire) has an estimated 7,393 residents in 3,111 households. The median household income is $68,242, the median home value is $316,200 and the median gross rent is $996/mo. Figures are U.S. Census Bureau American Community Survey 2020–2024 5-year estimates for the matching ZIP Code Tabulation Area.

American Community Survey 2020–2024 5-year estimates · Updated Oct 26, 2026

Total population

7,393

Margin of error ±37

Median household income

$68,242

Margin of error ±$20,404

Median home value

$316,200

Margin of error ±$32,151

Median gross rent

$996/mo

Margin of error ±$129

Median age

47.2 yrs

Margin of error ±3.5 yrs

Mean travel time to work

24.9 min

Margin of error ±4.6 min

How ZIP 03220 compares with New Hampshire and the U.S.

State and national figures are the Census Bureau's own estimates for those areas from the same ACS release, not averages of ZIP codes.

Median age

ZIP 0322047.2 yrsNew Hampshire43.3 yrsUnited States38.9 yrs

Median household income

ZIP 03220$68,242New Hampshire$99,031United States$80,734

Per capita income

ZIP 03220$40,675New Hampshire$52,798United States$44,673

Poverty rate

ZIP 0322010.3%New Hampshire7.2%United States12.5%

Unemployment rate

ZIP 032203.3%New Hampshire3.3%United States5.2%

Bachelor's degree or higher

ZIP 0322019.1%New Hampshire40.6%United States35.7%

Median home value

ZIP 03220$316,200New Hampshire$402,500United States$332,700

Median gross rent

ZIP 03220$996/moNew Hampshire$1,491/moUnited States$1,413/mo

Owner-occupied homes

ZIP 0322082.1%New Hampshire72.8%United States65.2%

Mean travel time to work

ZIP 0322024.9 minNew Hampshire26.7 minUnited States26.4 min

Worked from home

ZIP 032209.6%New Hampshire16.8%United States15.1%

All figures for ZIP 03220

Each estimate has a 90% margin of error: the true value is likely within that range. * marks estimates with a large margin of error (a coefficient of variation above 30%, or ±10 percentage points or more for rates).

ZIP 03220 — ACS 2020–2024 5-year estimates
Measure	ZIP 03220	Margin of error	New Hampshire	United States
Total population	7,393	±37	1,394,868	334,922,499
Median age	47.2 yrs	±3.5 yrs	43.3 yrs	38.9 yrs
Households	3,111	±269	555,822	129,227,496
Median household income	$68,242	±$20,404	$99,031	$80,734
Per capita income	$40,675	±$3,817	$52,798	$44,673
Poverty rate	10.3%	±3.6 pts	7.2%	12.5%
Unemployment rate	3.3%	±2.9 pts	3.3%	5.2%
Bachelor's degree or higher	19.1%	±4.2 pts	40.6%	35.7%
Median home value	$316,200	±$32,151	$402,500	$332,700
Median gross rent	$996/mo	±$129	$1,491/mo	$1,413/mo
Owner-occupied homes	82.1%	±2.3 pts	72.8%	65.2%
Mean travel time to work	24.9 min	±4.6 min	26.7 min	26.4 min
Worked from home	9.6%	±3.6 pts	16.8%	15.1%

Race and Hispanic or Latino origin

Shares of the total population by the Census Bureau's race and Hispanic or Latino origin categories (table B03002), listed in the Census Bureau's order. People self-identify on the survey.

Population by race and Hispanic or Latino origin, ZIP 03220
Group	ZIP 03220	New Hampshire	United States
White alone, not Hispanic or Latino	94.7%	86.9%	57.4%
Black or African American alone, not Hispanic or Latino	0.0%	1.3%	11.9%
American Indian and Alaska Native alone, not Hispanic or Latino	0.0%	0.1%	0.5%
Asian alone, not Hispanic or Latino	0.1%	2.6%	5.9%
Native Hawaiian and Other Pacific Islander alone, not Hispanic or Latino	0.0%	0.0%	0.2%
Some other race alone, not Hispanic or Latino	0.0%	0.4%	0.6%
Two or more races, not Hispanic or Latino	2.0%	4.0%	4.3%
Hispanic or Latino (of any race)	3.2%	4.7%	19.3%

Where ZIP 03220 is

State: New Hampshire
Main county: Belknap County— also overlaps Merrimack County
Largest overlapping place: Belmont (4% of the ZIP's land area)
Land area: 30.27 sq mi· about 244 people per sq mi

County and place names come from the Census Bureau's 2020 ZCTA relationship files. A ZIP code's mailing city, set by the U.S. Postal Service, can differ from these names.

Other ZIP codes in Belknap County

03218 Belknap County, NH 03225 Belknap County, NH 03226 Belknap County, NH 03237 Belknap County, NH 03246 Laconia, NH 03249 Belknap County, NH 03253 Belknap County, NH 03256 Belknap County, NH 03269 Belknap County, NH 03809 Belknap County, NH 03810 Belknap County, NH 03837 Belknap County, NH

See every ZIP code in New Hampshire, or compare ZIP 03220 with another ZIP code.

Census figures describe residents as a group and cannot tell you about any one home or street. For a specific address, check local government and housing records.

About ZIP codes and ZCTAs: the Census Bureau publishes statistics for ZIP Code Tabulation Areas, which approximate USPS ZIP code delivery areas. Learn how they differ.

Sources

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, detailed tables B01003, B01002, B11001, B19013, B19301, B17001, B23025, B15003, B25077, B25064, B25003, B08013, B08303, B08301, B03002 — snapshot Oct 26, 2026.
U.S. Census Bureau, 2020 ZCTA5 relationship files (county and place).
Data: U.S. Census Bureau, American Community Survey 5-year estimates (detailed tables) and 2020 Census ZCTA relationship files. This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau. These agencies do not endorse OpenZIP.