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 High-density area
- $153,125
- Median income Above-median income area
- $537,300
- Median home value Above-median home value
- 65.8%
- Bachelor's or higher Above-average bachelor's attainment
National ZIP placement
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.
FHFA HPI release change
What changed in the latest House Price Index year
- FHFA House Price Index values in ZIP 03031 (Amherst, NH) rose +6.5% from 2023 to 2024. The all-transactions index moved from 242.7 in 2023 to 258.4 in 2024 (2000 = 100).
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 average New Hampshire ZIP), while per-capita income is $74,400. Both reported hardship measures are comparatively low in absolute terms: poverty is 4.4% and unemployment is 1.5%. Housing is both higher-cost and owner-heavy: median home value is $537,300 (33% above the average New Hampshire ZIP), while 91.9% of occupied homes are owner-occupied and median rent is $1,462.
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. The page also surfaces 10 ZIP codes within roughly 10 miles and 6 more in Hillsborough County, so 03031 can be compared with both its immediate and county-level context.
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.
- Retail trade
Retail trade
62 establishments
- Professional, scientific, and technical services
Professional, scientific, and technical services
56 establishments
- Construction
Construction
48 establishments
- Health care and social assistance
Health care and social assistance
38 establishments
- Other services (except public administration)
Other services (except public administration)
36 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, 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
Who lives in ZIP 03031?
45.9
Median Age
48.5%
Male
51.5%
Female
4.6%
Foreign-Born
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 ZIP avg
$74,400
Per Capita Income
4.4%
Poverty Rate
1.5%
Unemployment Rate
32.5 min
Mean Commute Time
How ZIP 03031 ranks among New Hampshire ZIPs
Amherst, NH household income vs. every New Hampshire ZIP code
Median household income among 236 reporting New Hampshire ZIPs (this ZIP's population is too small for a reliable national-corpus placement)
$153,125 Top 9% higher than 91% of 236 New Hampshire ZIPs
Each bar is a $20K-wide band; taller bars hold more New Hampshire 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?
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What does housing look like?
Housing stock: occupied vs vacant
4,578housing units
4,578
Total Housing Units
4,563
Occupied Units
15
Vacant Units
2.60
Avg Household Size
Occupancy Type
$537,300
Median Home Value
+33% vs state ZIP avg
$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.
- 03054
Merrimack (03054)
25,477 residents
- 03110
Bedford (03110)
21,203 residents
- 03063
Nashua (03063)
16,216 residents
- 03055
Milford (03055)
15,086 residents
- 03064
Nashua (03064)
14,227 residents
- 03045
Goffstown (03045)
13,560 residents
- 03031
Amherst (03031)
11,247 residents
- 03049 7,688
Hollis (03049)
7,688 residents
- 03070 5,254
New Boston (03070)
5,254 residents
What this shows Among its immediate neighbors, ZIP 03031 ranks #7 by population - useful context the national average alone can't give.
ZIP 03031 vs its nearest neighbors, by median income
Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 03033
Brookline (03033)
$171,046 median income
- 03049
Hollis (03049)
$168,883 median income
- 03110
Bedford (03110)
$167,418 median income
- 03057
Mont Vernon (03057)
$156,250 median income
- 03070
New Boston (03070)
$154,000 median income
- 03031
Amherst (03031)
$153,125 median income
- 03054
Merrimack (03054)
$127,303 median income
- 03045
Goffstown (03045)
$119,205 median income
- 03063
Nashua (03063)
$107,630 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.
| 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 |
Nationwide ZIPs with similar ACS profiles
Two Census-derived peer sets for ZIP 03031, both outside NH so the neighborhoods are not geographic containment (Nearby and same-county blocks stay local).
Similar population
Nearest cross-state ZIPs by resident population (11,247 here; floor ≥1,000).
Similar median household income
Nearest cross-state ZIPs by ACS median household income.
More ZIP Codes in Hillsborough County
Related Areas
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.
Related
Take this with you
What to do with ZIP 03031's numbers, next.
- See how ZIP 03031 compares to a neighboring ZIP code on the same Census fields Compare this ZIP
- Check where Amherst, NH ranks among every U.S. ZIP code on income, education, or homeownership View national rankings
- Save this ZIP to your shortlist to track alongside others you're considering View your shortlist
ZIP Code Tabulation Areas (ZCTAs) are Census Bureau approximations of USPS ZIP codes; figures describe the ZCTA area, not any single address within it.