PlainZIP

Amherst, NH · standard

ZIP Code 03031

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

11,247
126/sq mi
$153,125
Median income
$537,300
Median home value
65.8%
Bachelor's or higher

The verdict

Amherst pairs a top-decile household income with upper-quartile home values, in a rural, homeowner-dominated area.

Top 4%
household income, US ZIPs
Top 12%
home value, US ZIPs
126
people per sq mi
92%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 03031 against every reporting US ZIP.

ZIP code 03031 is a mid-sized community (a standard USPS delivery area) in Amherst, Hillsborough County, New Hampshire, home to 11,247 residents across 89.2 square miles, a density of 126 people per square mile, in the New York time zone.

ZIP 03031 skews affluent, with a median household income of $153,125 (50% above the New Hampshire average), while per-capita income is $74,400. Poverty here runs at 4.4%, with unemployment measured at 1.5%. Housing costs here run $537,300 for a typical home value (33% above the state average), with rent averaging $1,462 a month; 91.9% of homes are owner-occupied.

This is a highly-educated ZIP: 65.8% of adults hold a bachelor's degree or higher, the median age is 45.9, and the average commute is 33 minutes. We also surface 10 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing Hillsborough County, so you can benchmark 03031 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 03031

Top 5 sectors by establishment count in Amherst, NH

Which industries have the most business establishments in ZIP 03031.

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 03031, Amherst, 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

11,247

Population

89.2

Area (sq mi)

126

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 03031?

45.9

Median Age

48.5%

Male

51.5%

Female

4.6%

Foreign-Born

White 93.3%
African American 0.0%
Asian 0.8%
American Indian or Alaska Native 0.0%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 5.3%
Hispanic or Latino 3.7%

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?

$153,125

Median Household Income

+50% vs state

$74,400

Per Capita Income

4.4%

Poverty Rate

1.5%

Unemployment Rate

32.5 min

Mean Commute Time

How ZIP 03031 ranks nationally

Amherst, NH household income vs. every US ZIP code

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

$153,125 Top 4% higher than 96% 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%). Below this entry. $120,000–$140,000: 1,362 US ZIPs (4%). Below this entry. $140,000–$160,000: 686 US ZIPs (2%). This entry sits in this band. $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 78.6%
Bachelor's Degree or Higher 65.8%

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

What does housing look like?

4,578

Total Housing Units

4,563

Occupied Units

15

Vacant Units

2.60

Avg Household Size

Occupancy Type

Owner 91.9%
Renter 8.1%

$537,300

Median Home Value

+33% vs state

$1,462

Median Rent

1978

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

+6.5%

YoY Change (2024)

258

HPI Index (2000 = 100)

+158%

Total Change Since 2000

Home values in ZIP 03031 have increased 6.5% over the past year (2024). Since 2000, this ZIP has seen +158% cumulative appreciation.

Year Annual Change HPI Index
2020 +4.2% 165
2021 +14.6% 189
2022 +18.3% 224
2023 +8.4% 243
2024 +6.5% 258

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 408 business establishments in ZIP 03031, employing approximately 4,379 people with a combined annual payroll of $265,193,000.

408

Businesses

4,379

Employees

$265.2M

Annual Payroll

15

Industry Sectors

Industry Establishments % of Total
Retail trade 62 15.2%
Professional, scientific, and technical services 56 13.7%
Construction 48 11.8%
Health care and social assistance 38 9.3%
Other services (except public administration) 36 8.8%
Manufacturing 35 8.6%
Wholesale trade 27 6.6%
Accommodation and food services 24 5.9%
Administrative and support and waste management and remediation services 19 4.7%
Educational services 19 4.7%
Finance and insurance 18 4.4%
Real estate and rental and leasing 10 2.5%
Arts, entertainment, and recreation 7 1.7%
Information 4 1.0%
Transportation and warehousing 3 0.7%

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 03031 vs 03054 →

ZIP 03031 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 03031 ranks #7 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 03031 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 03031 ranks #6 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
03054 Merrimack, NH 25,477 4.6 mi
03057 Mont Vernon, NH 2,500 4.4 mi
03055 Milford, NH 15,086 4.9 mi
03049 Hollis, NH 7,688 8.4 mi
03110 Bedford, NH 21,203 6.2 mi
03063 Nashua, NH 16,216 7.7 mi
03070 New Boston, NH 5,254 8.4 mi
03033 Brookline, NH 4,987 9.1 mi
03045 Goffstown, NH 13,560 10.5 mi
03064 Nashua, NH 14,227 9.3 mi

More ZIP Codes in Hillsborough County

03103 standard
Manchester, NH
Pop: 36,476
03104 standard
Manchester, NH
Pop: 32,798
03102 standard
Manchester, NH
Pop: 31,096
03060 standard
Nashua, NH
Pop: 29,357
03062 standard
Nashua, NH
Pop: 26,694
03054 standard
Merrimack, NH
Pop: 25,477

Related Areas

Hillsborough County Amherst, NH New Hampshire

Frequently Asked Questions

What county is ZIP code 03031 in? ▼
ZIP code 03031 (Amherst) is located in Hillsborough County, New Hampshire. Hillsborough County contains multiple ZIP codes, see the full list at /counties/hillsborough-nh.
What is the population of ZIP code 03031? ▼
ZIP code 03031 in Amherst, NH has a population of 11,247 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 03031? ▼
The median household income in ZIP 03031 is $153,125, which is 101% above the national average of $76,288.
What is the average home value in ZIP 03031? ▼
The median home value in ZIP 03031 is $537,300, which is 93% above the national average of $278,155.
What is the demographic makeup of ZIP 03031? ▼
The largest racial group in ZIP 03031 is White at 93.3%. Hispanic or Latino residents make up 3.7% of the population.
How many businesses are in ZIP code 03031? ▼
ZIP code 03031 has 408 business establishments employing approximately 4,379 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 03031? ▼
The top industries by establishment count in ZIP 03031 are: Retail trade (62), Professional, scientific, and technical services (56), Construction (48). There are 15 industry sectors represented in total.
How have home values changed in ZIP code 03031? ▼
According to the FHFA House Price Index, home values in ZIP 03031 increased by 6.5% in 2024. Since 2000, home values in this ZIP have appreciated by approximately 158%. 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 03031? ▼
In ZIP code 03031, 78.6% of residents aged 25+ have a high school diploma or higher, and 65.8% 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 03031? ▼
The mean commute time for workers in ZIP code 03031 is 32.5 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 03031? ▼
In ZIP code 03031, approximately 91.9% of occupied housing units are owner-occupied and 8.1% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 03031? ▼
The poverty rate in ZIP code 03031 is 4.4% 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.