ZIP Code 01432

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Source:

Ayer · Middlesex County · Massachusetts

Population
7,089

323/sq mi

Median income
$101,966

▲ 34% vs US

higher than 82% of US ZIPs

Median home value
$463,800

▲ 67% vs US

higher than 85% of US ZIPs

Bachelor's or higher
41.9%

Median age 39

Land area
21.9 sq mi

New York

ZIP code 01432 in Ayer, Massachusetts has a population of 7,089. The median household income is $101,966, which is 34% above the national average. Median home value is $463,800, 67% above the US average. 41.9% of residents hold a bachelor's degree or higher.

ZIP code 01432 is classified by USPS as a standard delivery area and covers roughly 21.9 square miles in Ayer, Middlesex County, Massachusetts. The area is home to 7,089 residents, producing a population density of 323 people per square mile, and falls within the New York time zone. These USPS and Census boundary values drive every downstream statistic on this page, including the benchmarks that compare 01432 against Massachusetts and the nation.

On the economic side, the median household income for ZIP 01432 sits at $101,966 (12% below the Massachusetts average), while per-capita income is $58,087. The poverty rate stands at 10.7% and the unemployment rate at 7.1%. On housing, the median home value is $463,800 (23% below the state average) with median rent at $1,442 per month, and 69.5% of occupied units are owner-occupied, a direct signal of whether 01432 behaves more like a homeowner neighborhood or a renter-heavy ZIP.

Education and household profile round out the picture: 41.9% of adults hold a bachelor's degree or higher, the median age is 39, and the average commute is 33 minutes. We also surface 10 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing Middlesex County, so you can benchmark 01432 against its immediate geography rather than a national average alone. Every figure is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates, HUD Fair Market Rents, and FHFA Home Price Index data, no estimates, no proprietary scoring. Verify with HUD →

Top industries in ZIP 01432

Top 5 sectors by establishment count

Which industries have the most business establishments in ZIP 01432.

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 + HUD FMR + FHFA HPI ACS demographics, ZBP business establishments, HUD Fair Market Rents, FHFA HPI for ZIP 01432, Ayer, MA · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; HUD FMR + FHFA HPI updated quarterly/annually.

Quick Facts

7,089

Population

21.9

Area (sq mi)

323

People / sq mi

New York

Time Zone

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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 01432?

39.0

Median Age

49.6%

Male

50.4%

Female

10.2%

Foreign-Born

White 70.7%
African American 6.4%
Asian 6.0%
American Indian or Alaska Native 1.7%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 12.1%
Hispanic or Latino 15.1%

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?

$101,966

Median Household Income

-12% vs state

$58,087

Per Capita Income

10.7%

Poverty Rate

7.1%

Unemployment Rate

32.8 min

Mean Commute Time

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

What is the education profile here?

High School Graduate or Higher 61.7%
Bachelor's Degree or Higher 41.9%

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

What does housing look like?

3,804

Total Housing Units

3,567

Occupied Units

237

Vacant Units

2.31

Avg Household Size

Occupancy Type

Owner 69.5%
Renter 30.5%

$463,800

Median Home Value

-23% vs state

$1,442

Median Rent

1977

Median Year Built

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

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

+7.9%

YoY Change (2024)

253

HPI Index (2000 = 100)

+153%

Total Change Since 2000

Home values in ZIP 01432 have increased 7.9% over the past year (2024). Since 2000, this ZIP has seen +153% cumulative appreciation.

Year Annual Change HPI Index
2020 +1.5% 166
2021 +13.4% 188
2022 +14.6% 215
2023 +8.7% 234
2024 +7.9% 253

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 216 business establishments in ZIP 01432, employing approximately 4,132 people with a combined annual payroll of $312,021,000.

216

Businesses

4,132

Employees

$312.0M

Annual Payroll

15

Industry Sectors

Industry Establishments % of Total
Retail trade 29 13.4%
Construction 23 10.7%
Professional, scientific, and technical services 22 10.2%
Manufacturing 21 9.7%
Other services (except public administration) 21 9.7%
Accommodation and food services 19 8.8%
Health care and social assistance 16 7.4%
Transportation and warehousing 15 6.9%
Administrative and support and waste management and remediation services 14 6.5%
Wholesale trade 11 5.1%
Real estate and rental and leasing 8 3.7%
Finance and insurance 6 2.8%
Information 4 1.9%
Educational services 3 1.4%
Arts, entertainment, and recreation 3 1.4%

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 01432 vs 01450 →

ZIP Code City Population Distance
01450 Groton, MA 10,646 3.4 mi
01451 Harvard, MA 4,747 4.4 mi
01434 Devens, MA 1,795 2.7 mi
01464 Shirley, MA 7,211 4.0 mi
01460 Littleton, MA 8,924 4.7 mi
01467 Still River, MA 316 5.8 mi
01719 Boxborough, MA 4,996 5.9 mi
01463 Pepperell, MA 11,497 7.6 mi
01886 Westford, MA 21,951 6.8 mi
01740 Bolton, MA 4,897 9.1 mi

More ZIP Codes in Middlesex County

Frequently Asked Questions

What county is ZIP code 01432 in?
ZIP code 01432 (Ayer) is located in Middlesex County, Massachusetts. Middlesex County contains multiple ZIP codes, see the full list at /counties/middlesex-ma.
What is the population of ZIP code 01432?
ZIP code 01432 in Ayer, MA has a population of 7,089 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 01432?
The median household income in ZIP 01432 is $101,966, which is 34% above the national average of $76,288.
What is the average home value in ZIP 01432?
The median home value in ZIP 01432 is $463,800, which is 67% above the national average of $278,155.
What is the demographic makeup of ZIP 01432?
The largest racial group in ZIP 01432 is White at 70.7%. Hispanic or Latino residents make up 15.1% of the population.
How many businesses are in ZIP code 01432?
ZIP code 01432 has 216 business establishments employing approximately 4,132 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 01432?
The top industries by establishment count in ZIP 01432 are: Retail trade (29), Construction (23), Professional, scientific, and technical services (22). There are 15 industry sectors represented in total.
How have home values changed in ZIP code 01432?
According to the FHFA House Price Index, home values in ZIP 01432 increased by 7.9% in 2024. Since 2000, home values in this ZIP have appreciated by approximately 153%. 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 01432?
In ZIP code 01432, 61.7% of residents aged 25+ have a high school diploma or higher, and 41.9% 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 01432?
The mean commute time for workers in ZIP code 01432 is 32.8 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 01432?
In ZIP code 01432, approximately 69.5% of occupied housing units are owner-occupied and 30.5% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 01432?
The poverty rate in ZIP code 01432 is 10.7% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.

ZIP Code Research Guides

Official Data Resources for Ayer, MA

Verify and explore additional data for this area using these official government sources.

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023). Business data: Source: Census ZIP Code Business Patterns (ZBP) 2023. Home value trends: Source: FHFA House Price Index (HPI), Five-Digit ZIP Codes.

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