ZIP Code 03275 in Suncook, NH

Data Last Updated: October 1, 2025
City:Suncook, New Hampshire
City Alias:Allenstown, Pembroke
County:Merrimack County
Timezone:Eastern (GMT -05:00)
Local Time:8:06:55 PM
Population:11,946 [See All]
Area Code:603
Classification:Standard [Normal Street Delivery]
Coordinates:43.1691, -71.4107
Land Area:43.036 sq mi
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Population & Demographics


ZIP Code 03275 has 11,946 residents and 4,854 households (average 2.45 persons per household). The median age is 42.0 years, slightly younger than the state (43.6) and older than the nation (38.8). The gender split is 49.3% male and 50.7% female, which is about the same as the national male share (49.1%), making this a female-majority area. Largest groups are White (91.7%, much higher than the national average of 61.6%) and Hispanic or Latino (2.3%); Hispanic or Latino residents make up 2.3%, which is much lower than the national average (18.7%).

Explore More: Population Over Time By Age & Gender By Race By Gender Nativity & Citizenship

Source: U.S. Census 2020 Demographics & Housing Characteristics (DHC) and U.S. Census 2011-2023 American Community Survey (ACS) 5-Year Estimates.
2020 Population:11,946Source: Census DHC
2023 ACS Population Estimate:12,115Source: Census ACS
2025 ZC Population Estimate:13,070Source: ZIP-Codes.com
Population Density:277.6 people per sq mile
Average Income:$84,776Source: Census ACS
Households:4,854Source: Census DHC
Average House Value:$309,400Source: Census ACS
Persons Per Household:2.45Source: Census DHC
Average Family Size:2.96Source: Census ACS

Population Over Time (with 2010 & 2020 Census Benchmarks)


Group20102011210220132014201520162017201820192020202120222023
Census ACS Population Estimate--11,58511,50411,44711,42411,42211,41211,45211,54211,57711,65212,00212,02812,115
Decennial Census11,437------------------11,946------
Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. DP05. DEMOGRAPHIC AND HOUSING ESTIMATES

Population by Age & Gender (Total, Male, Female)


Median Age: 42

Male Median Age: 41

Female Median Age: 42.8

Group< 55-910-1415-1920-2425-2930-3435-3940-4445-4950-5455-5960-6465-6970-7475-7980-8485+
Male3063343753493174044043993343774364805083152551628454
Female271295386354289363424420392394454501472375272172108111
Total577629761703606767828819726771890981980690527334192165
Source: U.S. Census Bureau (2020) Demographics & Housing Characteristics (DHC)

Population by Race


White:10,95494.75%
Black:1040.90%
Hispanic:*2752.38%
Asian:1080.93%
American Indian:220.19%
Hawaiian:30.03%
Other:950.82%
Total:11,561100%
Source: U.S. Census Bureau (2020) Demographics & Housing Characteristics (DHC)
* NOTE: Hispanic or Latino is an ethnicity, not a race. This means individuals who identify as Hispanic will also be included in one of the race categories (such as White or Black). As a result, the totals shown here may exceed 100% when Hispanic is displayed alongside racial groups.

Gender Breakdown


GenderCount%Median Age
Males:5,89349.33%41.0 years
Females:6,05350.67%42.8 years
Total:11,946100%42.0 years
Source: U.S. Census Bureau (2020) Demographics & Housing Characteristics (DHC)

Nativity & Citizenship


Native, born in the United States:11,65996.24%
Native, born in PR, Island Areas, or abroad:990.82%
Foreign born, naturalized U.S. citizen:1951.61%
Foreign born, not a U.S. citizen:1622.95%
Total Population:12,115100%
Total Native Population:11,75897.05%
Total Foreign-born Population:3572.95%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP02. SELECTED SOCIAL CHARACTERISTICS
Note: Nativity and Citizenship derived from American Community Survey (ACS) 5-year estimates. Total Population listed here will not match official ZIP Code population totals, which are based on the Decennial Census.

Income & Employment


In 2023, the Median household income is $84,776, which is much lower than the state median ($95,628), is up $23,209 (37.7%) since 2011 and above its 2019 pre-pandemic level by $9,356. Family households earn a median of $118,177 versus $40,237 for nonfamily households (a difference of $77,940). By gender, male median income is $62,897 and female is $51,830, which is considerably lower than the state female median ($59,229), with a current gap of $11,067 that has widened from 2011 to 2023. The labor-force participation rate is 67.7%, which is higher than the national rate (63.5%). The unemployment rate is 2.7%, which is considerably lower than the national rate (5.2%). The largest occupation group is Management (35.3%).

Explore More: Income Over Time Household Income Employment Status By Occupation

Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. Using data from Tables DP02, DP03, DP04 and DP05.

Median Income Over Time (Household, Family, Nonfamily, Male, Female)


Income Type2011201220132014201520162017201820192020202120222023
Median Household Income$61,567$60,123$60,470$61,600$63,947$65,625$71,576$75,213$75,420$79,110$82,907$88,475$84,776
Median Family Income$73,479$73,783$72,693$77,130$80,192$80,438$83,884$84,705$82,742$86,379$92,336$102,201$118,177
Median NonFamily Income$29,450$28,659$27,917$25,799$26,230$36,518$42,250$46,771$44,853$44,543$38,344$42,500$40,237
Median Male Income$51,229$51,620$51,135$51,019$50,704$50,532$50,536$50,462$47,981$46,347$48,291$55,790$62,897
Median Female Income$41,324$41,724$43,451$43,104$43,077$42,434$44,183$44,473$45,389$46,920$45,602$55,754$51,830
Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. DP03. SELECTED ECONOMIC CHARACTERISTICS

Average Household Income


Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP03. SELECTED ECONOMIC CHARACTERISTICS

Employment Status


Employed:6,38365.51%
Unemployed:1771.82%
Not In Labor Force:3,18332.67%
Total:9,743100%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP03. SELECTED ECONOMIC CHARACTERISTICS

Employment by Occupation (Civilian Employed Population, 16 and Over)


Management, business, science, and arts:2,25635.34%
Service:1,10717.34%
Sales and Office:1,63925.68%
Natural resources, construction, and maintenance:74311.64%
Production, transportation, and material moving:63810.00%
Total Civilian Employed Population:6,383100%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP03. SELECTED ECONOMIC CHARACTERISTICS.

Housing & Affordability


In 2023, the median home value is $309,400, which is far less than the state median ($367,200), is up $87,500 (39.43%) since 2011 and above its 2019 pre-pandemic level by $109,300. The median gross rent is $1,258, which is below the state median ($1,423), is up $466 (58.84%) since 2011 and above its 2019 pre-pandemic level by $362. Of occupied housing, owners make up 75.39% (59.37% with a mortgage, 40.63% free-and-clear) and renters 24.61% - making this ZIP Code more home ownership than the state and under national rental averages. The vacancy rate is 3.02%, which is far lower than the state rate (14.45%).

Explore More: Compare Home Value Home Value Over Time Rent & Over Time Housing Occupancy

Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. Using data from Table DP03, SELECTED ECONOMIC CHARACTERISTICS.

Median Home Value (Comparison)


Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP04. SELECTED HOUSING CHARACTERISTICS

Median Home Value Over Time


Group2011210220132014201520162017201820192020202120222023
Median Home Value$221,900$218,100$211,200$212,800$205,500$204,000$203,400$200,700$200,100$214,000$229,500$281,200$309,400
Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. DP04. SELECTED HOUSING CHARACTERISTICS

Gross Rent Paid


Less than $500:1089.55%
$500 to $999:36632.36%
$1,000 to $1,499:20718.30%
$1,500 to $1,999:22619.98%
$2,000 to $2,499:736.45%
$2,500 to $2,999:575.04%
$3,000 or more:252.21%
No Rent:696.10%
Total:1,131100%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP04. SELECTED HOUSING CHARACTERISTICS

Median Gross Rent Over Time


Group2011210220132014201520162017201820192020202120222023
Median Rent$792$782$782$844$826$888$981$1,026$896$1,017$1,077$1,215$1,258
Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. DP04. SELECTED HOUSING CHARACTERISTICS

Housing Occupancy


Owner Occupied (with mortgage):2,05744.76%
Owner Occupied (free and clear, no mortgage):1,40830.64%
Renter Occupied:1,13124.61%
Total Occupied Housing Units:4,596100%

Occupied Housing Units:4,59696.98%
Vacant Housing Units (not graphed):1433.02%
Total Housing Units:4,739100%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP04. SELECTED HOUSING CHARACTERISTICS

Housing Type (Single-Family, Multi-Family, Other)


Single-Family Units:2,73357.67%
Multi-Family Units:1,21725.68%
Other Units:78916.65%
Total Housing Units:4,739100%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP04. SELECTED HOUSING CHARACTERISTICS

Education, Health & Community


In 2023, 25.30% of adults (25+) have a bachelor's degree or higher, which is markedly below the state rate (39.80%). High school or higher is 91.10%, which is on par with the state rate (94.10%). The uninsured rate is 6.20%, which is comparable to the national rate (8.60%). The share of people in poverty is 7.00%, which is on par with the state rate (4.40%), up 1.60 percentage points since 2011 and above its 2019 pre-pandemic level by 0.40 percentage points. This points to rising hardship - a weaker consumer base, greater strain on public services, and job-market headwinds. Among residents ages 3+, the largest enrollment group is elementary (53.91%). College enrollment is 10.10%, which is markedly below the state rate (28.40%), indicating the community may be more oriented toward vocational/trade or direct-to-workforce opportunities.

Explore More: Educational Attainment Health Insurance Poverty Over Time School Enrollment

Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. Using data from Tables DP02 and DP03.

Educational Attainment of Adults (25 and Older)


Less than 9th grade:2162.64%
9th to 12th grade, no diploma:5086.21%
High school graduate (includes equivalency):2,69833.00%
Some college, no degree:1,39017.00%
Associate's degree:1,29915.89%
Bachelor's degree:1,18514.49%
Graduate or professional degree:88010.76%
Total:8,176100%
High school or higher:7,45291.14%
Bachelor's degree or higher:2,06525.26%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP02. SELECTED SOCIAL CHARACTERISTICS

Health Insurance Coverage by Type (Private, Public, Uninsured)


Private Insurance:8,12262.57%
Public Insurance:4,11431.69%
No Insurance:7455.74%
Total:12,981100%
Has Health Insurance:12,23694.26%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP03. SELECTED ECONOMIC CHARACTERISTICS

Percentage of People in Poverty Over Time (2011-2023)


Group2011210220132014201520162017201820192020202120222023
% of People in Poverty5.4%5.5%4.7%2.9%4.3%5.8%6.2%6.0%6.6%4.9%4.8%5.2%7.0%
Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. DP03. SELECTED ECONOMIC CHARACTERISTICS

Note: Counts of Families & People in poverty are not published at the ZIP Code level due to small sample sizes. Percentages shown are survey estimates from the American Community Survey (ACS). They may differ from official poverty statistics. The U.S. Census Bureau defines poverty status by comparing a family's or individual's total income with federal poverty thresholds that vary by family size and composition.

School Enrollment by Education Level (Ages 3 and Older)


Nursery School, Preschool:883.19%
Kindergarten:1445.21%
Elementary school (grades 1-8):1,48953.91%
High school (grades 9-12):76227.59%
College or graduate school:27910.10%
Total:2,762100%
Early Childhood:2328.40%
K-12 (Primary & Secondary School):2,39586.71%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP02. SELECTED SOCIAL CHARACTERISTICS

Business & Employment Statistics


ZIP Code 03275 supports both business and residential activity. According to the Business Census (2023), there are 211 business establishments, employing about 2,501 people with an annual payroll of $152,431,000. USPS data shows 5,335 residential mailboxes and 217 business mailboxes, reflecting local delivery coverage.

# Residential Mailboxes:5,335Source: USPS
# Business Mailboxes:217Source: USPS
Total Delivery Receptacles:5,709Source: USPS
Single Family Delivery Units:3,905Source: USPS
Multi Family Delivery Units:507Source: USPS
# of Businesses:211Source: CBP
1st Quarter Payroll:$35,700,000Source: CBP
Annual Payroll:$152,431,000Source: CBP
# of Employees:2,501Source: CBP

Geography, Land Area, & Statistical Classifications


ZIP Code 03275 is located in Merrimack County, New Hampshire, within the Concord, NH Metropolitan Statistical Area (CBSA 18180) and New Hampshire's 2nd Congressional District. This Micro area has a population of 155,018 people, about 7.71% of whom live in ZIP Code 03275. It covers 43.036 sq mi of land and a water area of 0.287 sq mi.

CBSA Name:Concord, NHSource: Census
CBSA Number:18180Source: Census
CBSA Type:MicroSource: Census
CBSA Division:--Source: Census
CBSA Population:155,018Source: Census
MSA:Boston-Worcester-Lawrence, MA-NH-ME-CT CMSASource: Census
Land Area:43.036 sq miSource: Census
Water Area:0.287 sq miSource: Census
Congressional District:02Source: USPS
Congressional Land Area:6489 sq miSource: Census
PMSA:Manchester, NH PMSASource: Census
Intro Date:< 2004-10Source: ZIP-Codes.com
Place FIPS Code:3375140Source: Census
Place Name:Suncook CDP; New HampshireSource: Census

Adjacent & Nearby ZIP Codes


03276 | | 03273

Schools in ZIP Code 03275


ZIP Code 03275 is part of 2 school districts, including: Allenstown School District (Grades KG thru 12) and Pembroke School District (Grades Kindergarten thru 12th). There are 7 public schools and 1 private school(s) in this ZIP Code. It also has 6 colleges, universities or post secondary education institutions nearby which would be a short commute to.

Strong Foundations Charter School 715 Riverwood Dr.
Pembroke, NH 03275
Allenstown Elementary School 30 S. Main Street
Allenstown, NH 03275
District: Allenstown School District
Armand R. Dupont School 10 1/2 School St.
Allenstown, NH 03275
District: Allenstown School District
Pace Career Academy Charter School 716 Riverwood Drive
Pembroke, NH 03275
Three Rivers School 243 Academy Rd.
Pembroke, NH 03275
District: Pembroke School District
Pembroke Academy 209 Academy Rd.
Pembroke, NH 03275
District: Pembroke School District
Pembroke Hill School 300 Belanger Dr.
Pembroke, NH 03275
District: Pembroke School District
Pine Haven Boys Center 133 River Rd
Allenstown, NH 03275
District: Private School

Colleges & Post Secondary Schools near ZIP Code 03275


University System Of New Hampshire System Office 5 Chenell Drive, Suite 301
Concord, NH 03301-8503
Type: Post Secondary
Granite State College 25 Hall Street
Concord, NH 03301-3471
Type: Post Secondary
Nhti-Concord's Community College 31 College Drive
Concord, NH 03301-7412
Type: Post Secondary
University Of New Hampshire-Franklin Pierce School Of Law 2 White St
Concord, NH 03301-4197
Type: Post Secondary
Empire Beauty School-Hooksett 1328 Hooksett Rd
Hooksett, NH 03106
Type: Post Secondary
Southern New Hampshire University 2500 North River Road
Manchester, NH 03106-1045
Type: Post Secondary

Sources & References


Our sources include trusted federal and licensed data from the United States Postal Service, U.S. Census Bureau, U.S. Geological Survey, Centers for Medicare & Medicaid Services, and the National Center for Education Statistics, along with proprietary datasets created by ZIP-Codes.com. Data last updated on October 1, 2025.

  1. U.S. Postal Service [Last Updated: 10/1/2025], https://www.usps.com
  2. ZIP-Codes.com Proprietary Data Enhancements [Updated: 10/1/2025], https://www.zip-codes.com
  3. U.S. Census [Updated: Varies], https://www.census.gov
    • U.S. Census Office of Management and Budget [Updated: As Released]
    • U.S. Census 2020 Demographic & Housing Characteristics (DHC) [Decennial] [Updated: 5/25/2023]
    • U.S. Census 2011-2023 American Community Survey 5-year estimates (ACS) [Annually] [Updated: Annually, As Released]
    • U.S. Census Business Patterns (CBD) [Annually] [Updated: Annually, As Released]
    • U.S. Census American National Standards Institute (ANSI) [Updated: As Released]
  4. U.S. Geological Survey [Updated: Varies], https://www.usgs.gov
  5. Centers for Medicare & Medicaid Services [Updated: Annually, As Released], https://www.cms.gov
  6. National Center for Education Statistics [Updated: 10/1/2025], https://nces.ed.gov