PlainZIP

Seabrook, NH · standard

ZIP Code 03874

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

8,776
376/sq mi
$82,995
Median income
$446,100
Median home value
27.3%
Bachelor's or higher

The verdict

Seabrook pairs an above-median household income with upper-quartile home values, in a low-density, homeowner-dominated area.

Top 34%
household income, US ZIPs
Top 17%
home value, US ZIPs
376
people per sq mi
68%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 03874 against every reporting US ZIP.

ZIP code 03874 is a mid-sized community (a standard USPS delivery area) in Seabrook, Rockingham County, New Hampshire, home to 8,776 residents across 23.3 square miles, a density of 376 people per square mile, in the New York time zone.

ZIP 03874 lands in the middle-income range, with a median household income of $82,995 (19% below the New Hampshire average), while per-capita income is $49,121. Poverty here runs at 12.0%, with unemployment measured at 7.8%. Median home value sits at $446,100 (10% above the state average), median rent at $1,513 a month, and owner-occupancy at 67.7%.

Educational attainment sits below the national norm: 27.3% of adults hold a bachelor's degree or higher, the median age is 54.3, and the average commute is 21 minutes. We also surface 10 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing Rockingham County, so you can benchmark 03874 against its immediate geography rather than a national average 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 03874

Top 5 sectors by establishment count in Seabrook, NH

Which industries have the most business establishments in ZIP 03874.

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 03874, Seabrook, 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

8,776

Population

23.3

Area (sq mi)

376

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 03874?

54.3

Median Age

50.8%

Male

49.2%

Female

2.8%

Foreign-Born

White 87.4%
African American 1.6%
Asian 1.0%
American Indian or Alaska Native 0.0%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 10.1%
Hispanic or Latino 4.7%

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?

$82,995

Median Household Income

-19% vs state

$49,121

Per Capita Income

12.0%

Poverty Rate

7.8%

Unemployment Rate

20.7 min

Mean Commute Time

How ZIP 03874 ranks nationally

Seabrook, NH household income vs. every US ZIP code

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

$82,995 Top 34% higher than 66% 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%). This entry sits in this band. $100,000–$120,000: 2,855 US ZIPs (9%). Above this entry. $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 66.0%
Bachelor's Degree or Higher 27.3%

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

What does housing look like?

4,322

Total Housing Units

3,889

Occupied Units

433

Vacant Units

2.18

Avg Household Size

Occupancy Type

Owner 67.7%
Renter 32.3%

$446,100

Median Home Value

+10% vs state

$1,513

Median Rent

1986

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

+7.3%

YoY Change (2024)

288

HPI Index (2000 = 100)

+188%

Total Change Since 2000

Home values in ZIP 03874 have increased 7.3% over the past year (2024). Since 2000, this ZIP has seen +188% cumulative appreciation.

Year Annual Change HPI Index
2020 +7.6% 189
2021 +11.6% 211
2022 +20.6% 254
2023 +5.6% 269
2024 +7.3% 288

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 366 business establishments in ZIP 03874, employing approximately 6,067 people with a combined annual payroll of $323,683,000.

366

Businesses

6,067

Employees

$323.7M

Annual Payroll

16

Industry Sectors

Industry Establishments % of Total
Retail trade 95 26.0%
Accommodation and food services 53 14.5%
Construction 34 9.3%
Other services (except public administration) 30 8.2%
Wholesale trade 24 6.6%
Manufacturing 22 6.0%
Professional, scientific, and technical services 18 4.9%
Administrative and support and waste management and remediation services 17 4.6%
Real estate and rental and leasing 14 3.8%
Health care and social assistance 13 3.5%
Transportation and warehousing 12 3.3%
Finance and insurance 11 3.0%
Arts, entertainment, and recreation 10 2.7%
Information 5 1.4%
Utilities 4 1.1%
Educational services 4 1.1%

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 03874 vs 01952 →

ZIP 03874 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 03874 ranks #4 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 03874 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 03874 ranks #null 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
01952 Salisbury, MA 8,283 2.8 mi
03844 Hampton Falls, NH 2,238 3.0 mi
03842 Hampton, NH 15,345 3.8 mi
01950 Newburyport, MA 17,416 5.3 mi
01913 Amesbury, MA 16,283 4.9 mi
01951 Newbury, MA 3,558 7.6 mi
03862 North Hampton, NH 4,278 6.5 mi
03827 East Kingston, NH 3,150 6.6 mi
03885 Stratham, NH 7,261 9.1 mi
03871 Rye Beach, NH 136 7.9 mi

More ZIP Codes in Rockingham County

03038 standard
Derry, NH
Pop: 33,269
03079 standard
Salem, NH
Pop: 28,776
03053 standard
Londonderry, NH
Pop: 23,957
03801 standard
Portsmouth, NH
Pop: 21,532
03833 standard
Exeter, NH
Pop: 20,955
03842 standard
Hampton, NH
Pop: 15,345

Related Areas

Rockingham County Seabrook, NH New Hampshire

Frequently Asked Questions

What county is ZIP code 03874 in? ▼
ZIP code 03874 (Seabrook) is located in Rockingham County, New Hampshire. Rockingham County contains multiple ZIP codes, see the full list at /counties/rockingham-nh.
What is the population of ZIP code 03874? ▼
ZIP code 03874 in Seabrook, NH has a population of 8,776 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 03874? ▼
The median household income in ZIP 03874 is $82,995, which is 9% above the national average of $76,288.
What is the average home value in ZIP 03874? ▼
The median home value in ZIP 03874 is $446,100, which is 60% above the national average of $278,155.
What is the demographic makeup of ZIP 03874? ▼
The largest racial group in ZIP 03874 is White at 87.4%. Hispanic or Latino residents make up 4.7% of the population.
How many businesses are in ZIP code 03874? ▼
ZIP code 03874 has 366 business establishments employing approximately 6,067 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 03874? ▼
The top industries by establishment count in ZIP 03874 are: Retail trade (95), Accommodation and food services (53), Construction (34). There are 16 industry sectors represented in total.
How have home values changed in ZIP code 03874? ▼
According to the FHFA House Price Index, home values in ZIP 03874 increased by 7.3% in 2024. Since 2000, home values in this ZIP have appreciated by approximately 188%. 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 03874? ▼
In ZIP code 03874, 66.0% of residents aged 25+ have a high school diploma or higher, and 27.3% 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 03874? ▼
The mean commute time for workers in ZIP code 03874 is 20.7 minutes according to Census ACS data. The national average is roughly 26 minutes, so commuters here spend less time traveling to work than typical.
What percentage of residents own vs. rent in ZIP 03874? ▼
In ZIP code 03874, approximately 67.7% of occupied housing units are owner-occupied and 32.3% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 03874? ▼
The poverty rate in ZIP code 03874 is 12.0% 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.