PlainZIP

Acton, MA · standard

ZIP Code 01720

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

21,361
418/sq mi
$159,010
Median income
$814,300
Median home value
79.3%
Bachelor's or higher

The verdict

Acton pairs a top-decile household income with top-decile home values, in a low-density, homeowner-dominated area.

Top 3%
household income, US ZIPs
Top 4%
home value, US ZIPs
418
people per sq mi
74%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 01720 against every reporting US ZIP.

ZIP code 01720 is a densely settled ZIP (a standard USPS delivery area) in Acton, Middlesex County, Massachusetts, with 21,361 residents across 51.1 square miles, a density of 418 people per square mile, in the New York time zone.

ZIP 01720 skews affluent, with a median household income of $159,010 (37% above the Massachusetts average), while per-capita income is $81,175. Poverty here runs at 3.5%, with unemployment measured at 4.8%. Housing costs here run $814,300 for a typical home value (36% above the state average), with rent averaging $1,982 a month; 74.2% of homes are owner-occupied.

This is a highly-educated ZIP: 79.3% of adults hold a bachelor's degree or higher, the median age is 44.5, and the average commute is 35 minutes. We also surface 10 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing Middlesex County, so you can benchmark 01720 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 01720

Top 5 sectors by establishment count in Acton, MA

Which industries have the most business establishments in ZIP 01720.

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 01720, Acton, 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

21,361

Population

51.1

Area (sq mi)

418

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 01720?

44.5

Median Age

47.8%

Male

52.2%

Female

29.0%

Foreign-Born

White 58.7%
African American 4.8%
Asian 25.9%
American Indian or Alaska Native 0.0%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 8.5%
Hispanic or Latino 4.2%

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?

$159,010

Median Household Income

+37% vs state

$81,175

Per Capita Income

3.5%

Poverty Rate

4.8%

Unemployment Rate

34.6 min

Mean Commute Time

How ZIP 01720 ranks nationally

Acton, MA household income vs. every US ZIP code

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

$159,010 Top 3% higher than 97% 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 86.2%
Bachelor's Degree or Higher 79.3%

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

What does housing look like?

9,264

Total Housing Units

9,098

Occupied Units

166

Vacant Units

2.56

Avg Household Size

Occupancy Type

Owner 74.2%
Renter 25.8%

$814,300

Median Home Value

+36% vs state

$1,982

Median Rent

1974

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

+3.8%

YoY Change (2024)

236

HPI Index (2000 = 100)

+136%

Total Change Since 2000

Home values in ZIP 01720 have increased 3.8% over the past year (2024). Since 2000, this ZIP has seen +136% cumulative appreciation.

Year Annual Change HPI Index
2020 +2.3% 161
2021 +9.9% 176
2022 +15.0% 203
2023 +12.1% 227
2024 +3.8% 236

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 705 business establishments in ZIP 01720, employing approximately 10,629 people with a combined annual payroll of $896,855,000.

705

Businesses

10,629

Employees

$896.9M

Annual Payroll

16

Industry Sectors

Industry Establishments % of Total
Professional, scientific, and technical services 128 18.2%
Retail trade 94 13.3%
Health care and social assistance 84 11.9%
Other services (except public administration) 65 9.2%
Construction 54 7.7%
Administrative and support and waste management and remediation services 40 5.7%
Accommodation and food services 40 5.7%
Manufacturing 34 4.8%
Wholesale trade 33 4.7%
Finance and insurance 31 4.4%
Real estate and rental and leasing 26 3.7%
Educational services 24 3.4%
Arts, entertainment, and recreation 18 2.5%
Information 17 2.4%
Transportation and warehousing 8 1.1%
Management of companies and enterprises 5 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 01720 vs 01718 →

ZIP 01720 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 01720 ranks #2 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 01720 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 01720 ranks #7 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
01718 Acton, MA 469 2.5 mi
01754 Maynard, MA 10,106 4.1 mi
01719 Boxborough, MA 4,996 4.1 mi
01742 Concord, MA 17,726 4.1 mi
01460 Littleton, MA 8,924 4.4 mi
01886 Westford, MA 21,951 7.1 mi
01776 Sudbury, MA 17,659 6.9 mi
01775 Stow, MA 6,590 5.3 mi
01741 Carlisle, MA 4,852 5.4 mi
01451 Harvard, MA 4,747 7.0 mi

More ZIP Codes in Middlesex County

02148 standard
Malden, MA
Pop: 59,503
02155 standard
Medford, MA
Pop: 57,964
02149 standard
Everett, MA
Pop: 41,550
01801 standard
Woburn, MA
Pop: 38,903
01752 standard
Marlborough, MA
Pop: 38,499
01702 standard
Framingham, MA
Pop: 37,206

Related Areas

Middlesex County Acton, MA Massachusetts

Frequently Asked Questions

What county is ZIP code 01720 in? ▼
ZIP code 01720 (Acton) 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 01720? ▼
ZIP code 01720 in Acton, MA has a population of 21,361 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 01720? ▼
The median household income in ZIP 01720 is $159,010, which is 108% above the national average of $76,288.
What is the average home value in ZIP 01720? ▼
The median home value in ZIP 01720 is $814,300, which is 193% above the national average of $278,155.
What is the demographic makeup of ZIP 01720? ▼
The largest racial group in ZIP 01720 is White at 58.7%. Hispanic or Latino residents make up 4.2% of the population.
How many businesses are in ZIP code 01720? ▼
ZIP code 01720 has 705 business establishments employing approximately 10,629 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 01720? ▼
The top industries by establishment count in ZIP 01720 are: Professional, scientific, and technical services (128), Retail trade (94), Health care and social assistance (84). There are 16 industry sectors represented in total.
How have home values changed in ZIP code 01720? ▼
According to the FHFA House Price Index, home values in ZIP 01720 increased by 3.8% in 2024. Since 2000, home values in this ZIP have appreciated by approximately 136%. 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 01720? ▼
In ZIP code 01720, 86.2% of residents aged 25+ have a high school diploma or higher, and 79.3% 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 01720? ▼
The mean commute time for workers in ZIP code 01720 is 34.6 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 01720? ▼
In ZIP code 01720, approximately 74.2% of occupied housing units are owner-occupied and 25.8% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 01720? ▼
The poverty rate in ZIP code 01720 is 3.5% 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.