PlainZIP

Petersham, MA · standard

ZIP Code 01366

Worcester County, Massachusetts - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.

1,277
12/sq mi
$110,750
Median income
$392,400
Median home value
42.6%
Bachelor's or higher

The verdict

Petersham pairs an upper-quartile household income with upper-quartile home values, in a rural, homeowner-dominated area.

Top 13%
household income, US ZIPs
Top 21%
home value, US ZIPs
12
people per sq mi
94%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 01366 against every reporting US ZIP.

ZIP code 01366 is a sparsely populated ZIP (a standard USPS delivery area) in Petersham, Worcester County, Massachusetts, home to just 1,277 residents across 104.7 square miles, a density of 12 people per square mile, in the New York time zone.

ZIP 01366 skews affluent, with a median household income of $110,750 (4% below the Massachusetts average), while per-capita income is $49,382. 8.8% of residents live below the poverty line, and the unemployment rate reads 4.3%. The typical home here is valued at $392,400 (35% below the state average); renters pay a median of $1,679 monthly, and 94.2% of units are owner-occupied.

A solid share of residents have a four-year degree: 42.6% of adults hold a bachelor's degree or higher, the median age is 56.3, and the average commute is 39 minutes. Beyond these figures, 10 nearby ZIP codes within about 10 miles are surfaced below, along with 6 more sharing Worcester County, letting you compare 01366 to its immediate surroundings rather than a national baseline 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 01366

Top 5 sectors by establishment count in Petersham, MA

Which industries have the most business establishments in ZIP 01366.

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 01366, Petersham, MA · 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

1,277

Population

104.7

Area (sq mi)

12

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 01366?

56.3

Median Age

53.9%

Male

46.1%

Female

1.9%

Foreign-Born

White 91.2%
African American 0.9%
Asian 0.3%
American Indian or Alaska Native 0.0%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 6.2%
Hispanic or Latino 3.1%

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?

$110,750

Median Household Income

-4% vs state

$49,382

Per Capita Income

8.8%

Poverty Rate

4.3%

Unemployment Rate

38.5 min

Mean Commute Time

How ZIP 01366 ranks nationally

Petersham, MA household income vs. every US ZIP code

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

$110,750 Top 13% higher than 87% 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%). This entry sits in this band. $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 66.8%
Bachelor's Degree or Higher 42.6%

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

What does housing look like?

525

Total Housing Units

467

Occupied Units

58

Vacant Units

2.42

Avg Household Size

Occupancy Type

Owner 94.2%
Renter 5.8%

$392,400

Median Home Value

-35% vs state

$1,679

Median Rent

1962

Median Year Built

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

What businesses operate in this ZIP?

Census Bureau data shows 30 business establishments in ZIP 01366, employing approximately 136 people with a combined annual payroll of $4,900,000.

30

Businesses

136

Employees

$4.9M

Annual Payroll

5

Industry Sectors

Industry Establishments % of Total
Construction 5 16.7%
Professional, scientific, and technical services 4 13.3%
Other services (except public administration) 4 13.3%
Administrative and support and waste management and remediation services 3 10.0%
Accommodation and food services 3 10.0%

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 01366 vs 01331 →

ZIP 01366 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 01366 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 01366 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 01366 ranks #3 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
01331 Athol, MA 13,263 6.0 mi
01037 Hardwick, MA 838 7.6 mi
01005 Barre, MA 5,079 5.9 mi
01355 New Salem, MA 878 7.5 mi
01094 Wheelwright, MA 351 8.7 mi
01074 South Barre, MA 319 8.1 mi
01468 Templeton, MA 4,021 7.8 mi
01436 Baldwinville, MA 3,336 10.0 mi
01364 Orange, MA 7,969 10.6 mi
01068 Oakham, MA 1,902 11.6 mi

More ZIP Codes in Worcester County

01453 standard
Leominster, MA
Pop: 40,883
01420 standard
Fitchburg, MA
Pop: 40,337
01545 standard
Shrewsbury, MA
Pop: 35,299
01604 standard
Worcester, MA
Pop: 34,677
01757 standard
Milford, MA
Pop: 28,061
01605 standard
Worcester, MA
Pop: 26,221

Related Areas

Worcester County Petersham, MA Massachusetts

Frequently Asked Questions

What county is ZIP code 01366 in? ▼
ZIP code 01366 (Petersham) is located in Worcester County, Massachusetts. Worcester County contains multiple ZIP codes, see the full list at /counties/worcester-ma.
What is the population of ZIP code 01366? ▼
ZIP code 01366 in Petersham, MA has a population of 1,277 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 01366? ▼
The median household income in ZIP 01366 is $110,750, which is 45% above the national average of $76,288.
What is the average home value in ZIP 01366? ▼
The median home value in ZIP 01366 is $392,400, which is 41% above the national average of $278,155.
What is the demographic makeup of ZIP 01366? ▼
The largest racial group in ZIP 01366 is White at 91.2%. Hispanic or Latino residents make up 3.1% of the population.
How many businesses are in ZIP code 01366? ▼
ZIP code 01366 has 30 business establishments employing approximately 136 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 01366? ▼
The top industries by establishment count in ZIP 01366 are: Construction (5), Professional, scientific, and technical services (4), Other services (except public administration) (4). There are 5 industry sectors represented in total.
What is the education level in ZIP code 01366? ▼
In ZIP code 01366, 66.8% of residents aged 25+ have a high school diploma or higher, and 42.6% 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 01366? ▼
The mean commute time for workers in ZIP code 01366 is 38.5 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 01366? ▼
In ZIP code 01366, approximately 94.2% of occupied housing units are owner-occupied and 5.8% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 01366? ▼
The poverty rate in ZIP code 01366 is 8.8% 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.