ZIP Code 03809

standard

Source:

Alton · Belknap County · New Hampshire

Population
3,716

35/sq mi

Median income
$106,397

▲ 39% vs US

higher than 85% of US ZIPs

Median home value
$387,500

▲ 39% vs US

higher than 78% of US ZIPs

Bachelor's or higher
30.9%

Median age 51.1

Land area
105.6 sq mi

New York

ZIP code 03809 in Alton, New Hampshire has a population of 3,716. The median household income is $106,397, which is 39% above the national average. Median home value is $387,500, 39% above the US average. 30.9% of residents hold a bachelor's degree or higher.

ZIP code 03809 is classified by USPS as a standard delivery area and covers roughly 105.6 square miles in Alton, Belknap County, New Hampshire. The area is home to 3,716 residents, producing a population density of 35 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 03809 against New Hampshire and the nation.

On the economic side, the median household income for ZIP 03809 sits at $106,397 (4% above the New Hampshire average), while per-capita income is $44,902. The poverty rate stands at 5.1% and the unemployment rate at 3.1%. On housing, the median home value is $387,500 (4% below the state average) with median rent at per month, and 90.9% of occupied units are owner-occupied, a direct signal of whether 03809 behaves more like a homeowner neighborhood or a renter-heavy ZIP.

Education and household profile round out the picture: 30.9% of adults hold a bachelor's degree or higher, the median age is 51.1, and the average commute is 37 minutes. We also surface 7 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing Belknap County, so you can benchmark 03809 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 03809

Top 5 sectors by establishment count

Which industries have the most business establishments in ZIP 03809.

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 03809, Alton, 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

3,716

Population

105.6

Area (sq mi)

35

People / sq mi

New York

Time Zone

standard

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 03809?

51.1

Median Age

50.6%

Male

49.4%

Female

1.7%

Foreign-Born

White 97.1%
African American 0.9%
Asian 0.2%
American Indian or Alaska Native 0.0%
Native Hawaiian or Pacific Islander 0.1%
Two or More Ethnicities 1.4%
Hispanic or Latino 1.1%

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?

$106,397

Median Household Income

+4% vs state

$44,902

Per Capita Income

5.1%

Poverty Rate

3.1%

Unemployment Rate

36.9 min

Mean Commute Time

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

What is the education profile here?

High School Graduate or Higher 60.4%
Bachelor's Degree or Higher 30.9%

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

What does housing look like?

1,939

Total Housing Units

1,427

Occupied Units

512

Vacant Units

2.58

Avg Household Size

Occupancy Type

Owner 90.9%
Renter 9.1%

$387,500

Median Home Value

-4% vs state

1980

Median Year Built

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

What businesses operate in this ZIP?

Census Bureau data shows 88 business establishments in ZIP 03809, employing approximately 752 people with a combined annual payroll of $31,588,000.

88

Businesses

752

Employees

$31.6M

Annual Payroll

10

Industry Sectors

Industry Establishments % of Total
Construction 12 13.6%
Retail trade 12 13.6%
Professional, scientific, and technical services 11 12.5%
Other services (except public administration) 10 11.4%
Administrative and support and waste management and remediation services 9 10.2%
Accommodation and food services 9 10.2%
Health care and social assistance 6 6.8%
Finance and insurance 4 4.5%
Wholesale trade 3 3.4%
Real estate and rental and leasing 3 3.4%

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 03809 vs 03855 →

ZIP Code City Population Distance
03855 New Durham, NH 2,638 3.6 mi
03225 Center Barnstead, NH 3,660 6.7 mi
03810 Alton Bay, NH 1,538 6.1 mi
03837 Gilmanton Iron Works, NH 1,519 6.3 mi
03887 Union, NH 2,154 7.8 mi
03218 Barnstead, NH 960 9.1 mi
03835 Farmington, NH 6,786 9.3 mi

More ZIP Codes in Belknap County

Frequently Asked Questions

What county is ZIP code 03809 in?
ZIP code 03809 (Alton) 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 03809?
ZIP code 03809 in Alton, NH has a population of 3,716 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 03809?
The median household income in ZIP 03809 is $106,397, which is 39% above the national average of $76,288.
What is the average home value in ZIP 03809?
The median home value in ZIP 03809 is $387,500, which is 39% above the national average of $278,155.
What is the demographic makeup of ZIP 03809?
The largest racial group in ZIP 03809 is White at 97.1%. Hispanic or Latino residents make up 1.1% of the population.
How many businesses are in ZIP code 03809?
ZIP code 03809 has 88 business establishments employing approximately 752 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 03809?
The top industries by establishment count in ZIP 03809 are: Construction (12), Retail trade (12), Professional, scientific, and technical services (11). There are 10 industry sectors represented in total.
What is the education level in ZIP code 03809?
In ZIP code 03809, 60.4% of residents aged 25+ have a high school diploma or higher, and 30.9% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What is the average commute time in ZIP 03809?
The mean commute time for workers in ZIP code 03809 is 36.9 minutes according to Census ACS data. The national average is roughly 26 minutes, so commuters here spend more time traveling to work than typical.
What percentage of residents own vs. rent in ZIP 03809?
In ZIP code 03809, approximately 90.9% of occupied housing units are owner-occupied and 9.1% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 03809?
The poverty rate in ZIP code 03809 is 5.1% 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, 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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