ZIP Code 01720
standardSource:
Acton · Middlesex County · Massachusetts
- Population
- 21,361
- Median income
- $159,010
- Median home value
- $814,300
- Bachelor's or higher
- 79.3%
- Land area
- 51.1 sq mi
418/sq mi
▲ 108% vs US
higher than 97% of US ZIPs
▲ 193% vs US
higher than 96% of US ZIPs
Median age 44.5
New York
ZIP code 01720 in Acton, Massachusetts has a population of 21,361. The median household income is $159,010, which is 108% above the national average. Median home value is $814,300, 193% above the US average. 79.3% of residents hold a bachelor's degree or higher.
ZIP code 01720 is classified by USPS as a standard delivery area and covers roughly 51.1 square miles in Acton, Middlesex County, Massachusetts. The area is home to 21,361 residents, producing a population density of 418 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 01720 against Massachusetts and the nation.
On the economic side, the median household income for ZIP 01720 sits at $159,010 (37% above the Massachusetts average), while per-capita income is $81,175. The poverty rate stands at 3.5% and the unemployment rate at 4.8%. On housing, the median home value is $814,300 (36% above the state average) with median rent at $1,982 per month, and 74.2% of occupied units are owner-occupied, a direct signal of whether 01720 behaves more like a homeowner neighborhood or a renter-heavy ZIP.
Education and household profile round out the picture: 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 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 01720
Top 5 sectors by establishment count
Which industries have the most business establishments in ZIP 01720.
- Professional, scientific, and technical services
Professional, scientific, and technical services
128 establishments
- Retail trade
Retail trade
94 establishments
- Health care and social assistance
Health care and social assistance
84 establishments
- Other services (except public administration)
Other services (except public administration)
65 establishments
- Construction
Construction
54 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 + HUD FMR + FHFA HPI ACS demographics, ZBP business establishments, HUD Fair Market Rents, 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; HUD FMR + 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
Who lives in ZIP 01720?
44.5
Median Age
47.8%
Male
52.2%
Female
29.0%
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?
$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
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?
9,264
Total Housing Units
9,098
Occupied Units
166
Vacant Units
2.56
Avg Household Size
Occupancy Type
$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 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
Related Areas
Frequently Asked Questions
What county is ZIP code 01720 in? ▼
What is the population of ZIP code 01720? ▼
What is the median household income in ZIP 01720? ▼
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What is the demographic makeup of ZIP 01720? ▼
How many businesses are in ZIP code 01720? ▼
What are the main industries in ZIP code 01720? ▼
How have home values changed in ZIP code 01720? ▼
What is the education level in ZIP code 01720? ▼
What is the average commute time in ZIP 01720? ▼
What percentage of residents own vs. rent in ZIP 01720? ▼
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ZIP Code Research Guides
Official Data Resources for Acton, 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.
PlainZIP is not affiliated with the U.S. Census Bureau or any government agency.
Read our methodology , how this data is sourced, computed, and verified.