ZIP Code 03810

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Source:

Alton Bay · Belknap County · New Hampshire

Population
1,538

26/sq mi

Median income
$148,261

▲ 94% vs US

higher than 96% of US ZIPs

Median home value
$569,200

▲ 105% vs US

higher than 90% of US ZIPs

Bachelor's or higher
43.1%

Median age 57

Land area
60.3 sq mi

New York

ZIP code 03810 in Alton Bay, New Hampshire has a population of 1,538. The median household income is $148,261, which is 94% above the national average. Median home value is $569,200, 105% above the US average. 43.1% of residents hold a bachelor's degree or higher.

ZIP code 03810 is classified by USPS as a standard delivery area and covers roughly 60.3 square miles in Alton Bay, Belknap County, New Hampshire. The area is home to 1,538 residents, producing a population density of 26 people per square mile, and falls within the New York time zone. These USPS and Census boundary values drive every downstream statistic on this page, including the benchmarks that compare 03810 against New Hampshire and the nation.

On the economic side, the median household income for ZIP 03810 sits at $148,261 (45% above the New Hampshire average), while per-capita income is $72,017. The poverty rate stands at 2.5% and the unemployment rate at 1.1%. On housing, the median home value is $569,200 (41% above the state average) with median rent at per month, and 98.5% of occupied units are owner-occupied, a direct signal of whether 03810 behaves more like a homeowner neighborhood or a renter-heavy ZIP.

Education and household profile round out the picture: 43.1% of adults hold a bachelor's degree or higher, the median age is 57, and the average commute is . We also surface 7 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing Belknap County, so you can benchmark 03810 against its immediate geography rather than a national average alone. Every figure is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates, HUD Fair Market Rents, and FHFA Home Price Index data, no estimates, no proprietary scoring. Verify with HUD →

Top industries in ZIP 03810

Top 5 sectors by establishment count

Which industries have the most business establishments in ZIP 03810.

establishments

What this shows Establishment counts come from the Census ZIP Code Business Patterns program, which counts physical business locations rather than employees or revenue.

Source U.S. Census Bureau · ZIP Code Business Patterns (ZBP) As of 2023

Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + HUD FMR + FHFA HPI ACS demographics, ZBP business establishments, HUD Fair Market Rents, FHFA HPI for ZIP 03810, Alton Bay, NH · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; HUD FMR + FHFA HPI updated quarterly/annually.

Quick Facts

1,538

Population

60.3

Area (sq mi)

26

People / sq mi

New York

Time Zone

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ZIP Type

Neighborhood Scorecard
Get an A-F grade across income, safety, housing, rent, education, commute, and childcare for this ZIP code.
View Scorecard →

Who lives in ZIP 03810?

57.0

Median Age

48.2%

Male

51.8%

Female

0.6%

Foreign-Born

White 95.5%
African American 0.0%
Asian 0.3%
American Indian or Alaska Native 0.0%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 4.1%
Hispanic or Latino 0.0%

Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

How much do residents earn?

$148,261

Median Household Income

+45% vs state

$72,017

Per Capita Income

2.5%

Poverty Rate

1.1%

Unemployment Rate

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What is the education profile here?

High School Graduate or Higher 69.5%
Bachelor's Degree or Higher 43.1%

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What does housing look like?

2,675

Total Housing Units

826

Occupied Units

1,849

Vacant Units

2.80

Avg Household Size

Occupancy Type

Owner 98.5%
Renter 1.5%

$569,200

Median Home Value

+41% vs state

1972

Median Year Built

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What businesses operate in this ZIP?

Census Bureau data shows 42 business establishments in ZIP 03810, employing approximately 506 people with a combined annual payroll of $23,242,000.

42

Businesses

506

Employees

$23.2M

Annual Payroll

5

Industry Sectors

Industry Establishments % of Total
Accommodation and food services 13 30.9%
Construction 8 19.1%
Arts, entertainment, and recreation 5 11.9%
Retail trade 3 7.1%
Real estate and rental and leasing 3 7.1%

Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.

Nearby ZIP Codes

Want a side-by-side? Compare 03810 vs 03853 →

ZIP Code City Population Distance
03853 Mirror Lake, NH 602 7.8 mi
03249 Gilford, NH 7,113 5.6 mi
03809 Alton, NH 3,716 6.1 mi
03837 Gilmanton Iron Works, NH 1,519 7.7 mi
03894 Wolfeboro, NH 6,314 8.0 mi
03237 Gilmanton, NH 2,254 8.4 mi
03855 New Durham, NH 2,638 8.2 mi

More ZIP Codes in Belknap County

Frequently Asked Questions

What county is ZIP code 03810 in?
ZIP code 03810 (Alton Bay) is located in Belknap County, New Hampshire. Belknap County contains multiple ZIP codes, see the full list at /counties/belknap-nh.
What is the population of ZIP code 03810?
ZIP code 03810 in Alton Bay, NH has a population of 1,538 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 03810?
The median household income in ZIP 03810 is $148,261, which is 94% above the national average of $76,288.
What is the average home value in ZIP 03810?
The median home value in ZIP 03810 is $569,200, which is 105% above the national average of $278,155.
What is the demographic makeup of ZIP 03810?
The largest racial group in ZIP 03810 is White at 95.5%.
How many businesses are in ZIP code 03810?
ZIP code 03810 has 42 business establishments employing approximately 506 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 03810?
The top industries by establishment count in ZIP 03810 are: Accommodation and food services (13), Construction (8), Arts, entertainment, and recreation (5). There are 5 industry sectors represented in total.
What is the education level in ZIP code 03810?
In ZIP code 03810, 69.5% of residents aged 25+ have a high school diploma or higher, and 43.1% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What percentage of residents own vs. rent in ZIP 03810?
In ZIP code 03810, approximately 98.5% of occupied housing units are owner-occupied and 1.5% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 03810?
The poverty rate in ZIP code 03810 is 2.5% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.

ZIP Code Research Guides

Official Data Resources for Alton Bay, NH

Verify and explore additional data for this area using these official government sources.

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023). Business data: Source: Census ZIP Code Business Patterns (ZBP) 2023. Home value trends: Source: FHFA House Price Index (HPI), Five-Digit ZIP Codes.

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