PlainZIP

Center Barnstead, NH · standard

ZIP Code 03225

Belknap County, New Hampshire - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.

3,660
48/sq mi
$111,660
Median income
$368,400
Median home value
30.4%
Bachelor's or higher

The verdict

Center Barnstead pairs an upper-quartile household income with upper-quartile home values, in a rural, homeowner-dominated area.

Top 13%
household income, US ZIPs
Top 24%
home value, US ZIPs
48
people per sq mi
95%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 03225 against every reporting US ZIP.

ZIP code 03225 covers 75.6 square miles in Center Barnstead, Belknap County, New Hampshire (a standard USPS delivery area), with a modest 3,660 residents on file, a density of 48 people per square mile, in the New York time zone.

ZIP 03225 skews affluent, with a median household income of $111,660 (9% above the New Hampshire average), while per-capita income is $47,491. Poverty here runs at 2.0%, with unemployment measured at 1.9%. On housing, the median home value is $368,400 (9% below the state average) with median rent at $1,355 per month, and 94.6% of occupied units are owner-occupied.

A solid share of residents have a four-year degree: 30.4% of adults hold a bachelor's degree or higher, the median age is 43.2, and the average commute is 31 minutes. Beyond these figures, 9 nearby ZIP codes within about 10 miles are surfaced below, along with 6 more sharing Belknap County, letting you compare 03225 to its immediate surroundings rather than a national baseline alone.

Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →

Top industries in ZIP 03225

Top 5 sectors by establishment count in Center Barnstead, NH

Which industries have the most business establishments in ZIP 03225.

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 + FHFA HPI ACS demographics and median rent, ZBP business establishments, FHFA HPI for ZIP 03225, Center Barnstead, NH · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; FHFA HPI updated quarterly/annually.

Quick Facts

3,660

Population

75.6

Area (sq mi)

48

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 03225?

43.2

Median Age

53.3%

Male

46.7%

Female

2.9%

Foreign-Born

White 92.7%
African American 0.0%
Asian 0.5%
American Indian or Alaska Native 0.0%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 6.2%
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?

$111,660

Median Household Income

+9% vs state

$47,491

Per Capita Income

2.0%

Poverty Rate

1.9%

Unemployment Rate

30.9 min

Mean Commute Time

How ZIP 03225 ranks nationally

Center Barnstead, NH household income vs. every US ZIP code

Median household income, the full national distribution, with this ZIP marked

$111,660 Top 13% higher than 87% of 30,318 US ZIPs

$0–$20,000: 118 US ZIPs (0%). Below this entry. $20,000–$40,000: 1,573 US ZIPs (5%). Below this entry. $40,000–$60,000: 7,092 US ZIPs (23%). Below this entry. $60,000–$80,000: 9,980 US ZIPs (33%). Below this entry. $80,000–$100,000: 5,778 US ZIPs (19%). Below this entry. $100,000–$120,000: 2,855 US ZIPs (9%). This entry sits in this band. $120,000–$140,000: 1,362 US ZIPs (4%). Above this entry. $140,000–$160,000: 686 US ZIPs (2%). Above this entry. $160,000–$180,000: 364 US ZIPs (1%). Above this entry. $180,000–$200,000: 186 US ZIPs (1%). Above this entry. $200,000–$220,000: 324 US ZIPs (1%). Above this entry. This ZIP $0 $200K+ every reporting US ZIP, bucketed by value

Each bar is a $20K-wide band; taller bars hold more US ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source U.S. Census Bureau, ACS 5-Year Estimates · 2019–2023

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

What is the education profile here?

High School Graduate or Higher 57.6%
Bachelor's Degree or Higher 30.4%

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

What does housing look like?

1,946

Total Housing Units

1,359

Occupied Units

587

Vacant Units

2.82

Avg Household Size

Occupancy Type

Owner 94.6%
Renter 5.4%

$368,400

Median Home Value

-9% vs state

$1,355

Median Rent

1985

Median Year Built

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

How have home values changed over time?

FHFA House Price Index, annual appreciation data based on repeat sales and appraisals

+3.8%

YoY Change (2024)

327

HPI Index (2000 = 100)

+227%

Total Change Since 2000

Home values in ZIP 03225 have increased 3.8% over the past year (2024). Since 2000, this ZIP has seen +227% cumulative appreciation.

Year Annual Change HPI Index
2020 +6.5% 209
2021 +16.7% 244
2022 +18.3% 288
2023 +9.3% 315
2024 +3.8% 327

Source: Federal Housing Finance Agency (FHFA) House Price Index, All-Transactions, Five-Digit ZIP Codes (Developmental Index). Index base = 100 in year 2000. Data through 2024. ZIP codes with few transactions may show missing values.

What businesses operate in this ZIP?

Census Bureau data shows 51 business establishments in ZIP 03225, employing approximately 209 people with a combined annual payroll of $9,242,000.

51

Businesses

209

Employees

$9.2M

Annual Payroll

6

Industry Sectors

Industry Establishments % of Total
Other services (except public administration) 13 25.5%
Construction 11 21.6%
Manufacturing 4 7.8%
Retail trade 4 7.8%
Professional, scientific, and technical services 4 7.8%
Administrative and support and waste management and remediation services 3 5.9%

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 03225 vs 03218 →

ZIP 03225 vs its nearest neighbors, by population

Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.

residents

What this shows Among its immediate neighbors, ZIP 03225 ranks #6 by population - useful context the national average alone can't give.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023

ZIP 03225 vs its nearest neighbors, by median income

Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.

median income

What this shows By household income, ZIP 03225 ranks #5 of 9 neighboring ZIPs, local affluence varies block to block, not just metro to metro.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023
ZIP Code City Population Distance
03218 Barnstead, NH 960 3.1 mi
03809 Alton, NH 3,716 6.7 mi
03263 Pittsfield, NH 4,114 5.7 mi
03837 Gilmanton Iron Works, NH 1,519 6.3 mi
03884 Strafford, NH 3,964 7.1 mi
03261 Northwood, NH 4,246 10.1 mi
03855 New Durham, NH 2,638 8.7 mi
03237 Gilmanton, NH 2,254 8.7 mi
03234 Epsom, NH 4,572 11.1 mi

More ZIP Codes in Belknap County

03246 standard
Laconia, NH
Pop: 15,963
03220 standard
Belmont, NH
Pop: 7,430
03249 standard
Gilford, NH
Pop: 7,113
03253 standard
Meredith, NH
Pop: 6,219
03809 standard
Alton, NH
Pop: 3,716
03269 standard
Sanbornton, NH
Pop: 2,966

Related Areas

Belknap County Center Barnstead, NH New Hampshire

Frequently Asked Questions

What county is ZIP code 03225 in? ▼
ZIP code 03225 (Center Barnstead) 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 03225? ▼
ZIP code 03225 in Center Barnstead, NH has a population of 3,660 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 03225? ▼
The median household income in ZIP 03225 is $111,660, which is 46% above the national average of $76,288.
What is the average home value in ZIP 03225? ▼
The median home value in ZIP 03225 is $368,400, which is 32% above the national average of $278,155.
What is the demographic makeup of ZIP 03225? ▼
The largest racial group in ZIP 03225 is White at 92.7%. Hispanic or Latino residents make up 1.1% of the population.
How many businesses are in ZIP code 03225? ▼
ZIP code 03225 has 51 business establishments employing approximately 209 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 03225? ▼
The top industries by establishment count in ZIP 03225 are: Other services (except public administration) (13), Construction (11), Manufacturing (4). There are 6 industry sectors represented in total.
How have home values changed in ZIP code 03225? ▼
According to the FHFA House Price Index, home values in ZIP 03225 increased by 3.8% in 2024. Since 2000, home values in this ZIP have appreciated by approximately 227%. This is a developmental index based on repeat sales and appraisal data from Fannie Mae and Freddie Mac.
What is the education level in ZIP code 03225? ▼
In ZIP code 03225, 57.6% of residents aged 25+ have a high school diploma or higher, and 30.4% 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 03225? ▼
The mean commute time for workers in ZIP code 03225 is 30.9 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 03225? ▼
In ZIP code 03225, approximately 94.6% of occupied housing units are owner-occupied and 5.4% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 03225? ▼
The poverty rate in ZIP code 03225 is 2.0% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.

Read our methodology to see how this data is sourced, computed, and verified.