Lynnfield, MA · standard
ZIP Code 01940
Essex County, Massachusetts - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 12,108
- 443/sq mi High-density area
- $173,214
- Median income Above-median income area
- $905,400
- Median home value Above-median home value
- 62.7%
- Bachelor's or higher Above-average bachelor's attainment
National ZIP placement
Lynnfield pairs a top-decile household income with top-decile home values, in a low-density, homeowner-dominated area.
- Top 2%
- household income, US ZIPs
- Top 3%
- home value, US ZIPs
- 443
- people per sq mi
- 88%
- owner-occupied homes
Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 01940 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 01940 (Lynnfield, MA) rose +1.0% from 2023 to 2024. The all-transactions index moved from 240.5 in 2023 to 242.9 in 2024 (2000 = 100).
ZIP code 01940 is a mid-sized community (a standard USPS delivery area) in Lynnfield, Essex County, Massachusetts, home to 12,108 residents across 27.3 square miles, a density of 443 people per square mile, in the New York time zone.
ZIP 01940 skews affluent, with a median household income of $173,214 (50% above the average Massachusetts ZIP), while per-capita income is $78,738. Both reported hardship measures are comparatively low in absolute terms: poverty is 5.9% and unemployment is 2.9%. Housing is both higher-cost and owner-heavy: median home value is $905,400 (51% above the average Massachusetts ZIP), while 87.7% of occupied homes are owner-occupied and median rent is $2,676.
This is a highly-educated ZIP: 62.7% of adults hold a bachelor's degree or higher, the median age is 41.9, and the average commute is 32 minutes. The page also surfaces 10 ZIP codes within roughly 10 miles and 6 more in Essex County, so 01940 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 01940
Top 5 sectors by establishment count in Lynnfield, MA
Which industries have the most business establishments in ZIP 01940.
- Professional, scientific, and technical services
Professional, scientific, and technical services
82 establishments
- Retail trade
Retail trade
69 establishments
- Construction
Construction
50 establishments
- Health care and social assistance
Health care and social assistance
43 establishments
- Finance and insurance
Finance and insurance
37 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 01940, Lynnfield, 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
12,108
Population
27.3
Area (sq mi)
443
People / sq mi
New York
Time Zone
standard
ZIP Type
Who lives in ZIP 01940?
41.9
Median Age
48.6%
Male
51.4%
Female
10.6%
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?
$173,214
Median Household Income
+50% vs state ZIP avg
$78,738
Per Capita Income
5.9%
Poverty Rate
2.9%
Unemployment Rate
32.1 min
Mean Commute Time
How ZIP 01940 ranks among Massachusetts ZIPs
Lynnfield, MA household income vs. every Massachusetts ZIP code
Median household income among 505 reporting Massachusetts ZIPs (this ZIP's population is too small for a reliable national-corpus placement)
$173,214 Top 11% higher than 89% of 505 Massachusetts ZIPs
Each bar is a $20K-wide band; taller bars hold more Massachusetts 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
4,815housing units
4,815
Total Housing Units
4,650
Occupied Units
165
Vacant Units
2.84
Avg Household Size
Occupancy Type
$905,400
Median Home Value
+51% vs state ZIP avg
$2,676
Median Rent
1965
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
+1.0%
YoY Change (2024)
243
HPI Index (2000 = 100)
+143%
Total Change Since 2000
Home values in ZIP 01940 have increased 1.0% over the past year (2024). Since 2000, this ZIP has seen +143% cumulative appreciation.
| Year | Annual Change | HPI Index |
|---|---|---|
| 2020 | +0.5% | 185 |
| 2021 | +9.4% | 202 |
| 2022 | +14.0% | 230 |
| 2023 | +4.5% | 240 |
| 2024 | +1.0% | 243 |
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 461 business establishments in ZIP 01940, employing approximately 6,066 people with a combined annual payroll of $367,180,000.
461
Businesses
6,066
Employees
$367.2M
Annual Payroll
13
Industry Sectors
| Industry | Establishments | % of Total |
|---|---|---|
| Professional, scientific, and technical services | 82 | 17.8% |
| Retail trade | 69 | 15.0% |
| Construction | 50 | 10.8% |
| Health care and social assistance | 43 | 9.3% |
| Finance and insurance | 37 | 8.0% |
| Accommodation and food services | 35 | 7.6% |
| Other services (except public administration) | 34 | 7.4% |
| Administrative and support and waste management and remediation services | 32 | 6.9% |
| Real estate and rental and leasing | 26 | 5.6% |
| Transportation and warehousing | 16 | 3.5% |
| Wholesale trade | 15 | 3.3% |
| Educational services | 8 | 1.7% |
| Information | 5 | 1.1% |
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 01940 vs 01880 →
ZIP 01940 vs its nearest neighbors, by population
Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 01960
Peabody (01960)
50,944 residents
- 02176
Melrose (02176)
26,983 residents
- 01906
Saugus (01906)
26,660 residents
- 01880
Wakefield (01880)
24,733 residents
- 01867
Reading (01867)
23,956 residents
- 02180
Stoneham (02180)
21,437 residents
- 01904 18,203
Lynn (01904)
18,203 residents
- 01864 14,892
North Reading (01864)
14,892 residents
- 01940 12,108
Lynnfield (01940)
12,108 residents
What this shows Among its immediate neighbors, ZIP 01940 ranks #9 by population - useful context the national average alone can't give.
ZIP 01940 vs its nearest neighbors, by median income
Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 01940
Lynnfield (01940)
$173,214 median income
- 01949
Middleton (01949)
$167,402 median income
- 01867
Reading (01867)
$165,912 median income
- 01864
North Reading (01864)
$147,768 median income
- 01880
Wakefield (01880)
$134,306 median income
- 02176
Melrose (02176)
$133,953 median income
- 02180
Stoneham (02180)
$113,964 median income
- 01906
Saugus (01906)
$101,539 median income
- 01904
Lynn (01904)
$99,614 median income
What this shows By household income, ZIP 01940 ranks the highest of 9 neighboring ZIPs, local affluence varies block to block, not just metro to metro.
| ZIP Code | City | Population | Distance |
|---|---|---|---|
| 01880 | Wakefield, MA | 24,733 | 2.7 mi |
| 01960 | Peabody, MA | 50,944 | 3.3 mi |
| 01867 | Reading, MA | 23,956 | 3.5 mi |
| 01906 | Saugus, MA | 26,660 | 4.7 mi |
| 01949 | Middleton, MA | 8,987 | 4.9 mi |
| 01864 | North Reading, MA | 14,892 | 4.1 mi |
| 02176 | Melrose, MA | 26,983 | 5.6 mi |
| 01937 | Hathorne, MA | 151 | 4.5 mi |
| 01904 | Lynn, MA | 18,203 | 4.4 mi |
| 02180 | Stoneham, MA | 21,437 | 5.2 mi |
Nationwide ZIPs with similar ACS profiles
Two Census-derived peer sets for ZIP 01940, both outside MA so the neighborhoods are not geographic containment (Nearby and same-county blocks stay local).
Similar population
Nearest cross-state ZIPs by resident population (12,108 here; floor ≥1,000).
Similar median household income
Nearest cross-state ZIPs by ACS median household income.
More ZIP Codes in Essex County
Related Areas
Frequently Asked Questions
What county is ZIP code 01940 in?
ZIP code 01940 (Lynnfield) is located in Essex County, Massachusetts. Essex County contains multiple ZIP codes, see the full list at /counties/essex-ma.
What is the population of ZIP code 01940?
ZIP code 01940 in Lynnfield, MA has a population of 12,108 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 01940?
The median household income in ZIP 01940 is $173,214, which is 127% above the national average of $76,288.
What is the average home value in ZIP 01940?
The median home value in ZIP 01940 is $905,400, which is 226% above the national average of $278,155.
What is the demographic makeup of ZIP 01940?
The largest racial group in ZIP 01940 is White at 81.7%. Hispanic or Latino residents make up 5.5% of the population.
How many businesses are in ZIP code 01940?
ZIP code 01940 has 461 business establishments employing approximately 6,066 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 01940?
The top industries by establishment count in ZIP 01940 are: Professional, scientific, and technical services (82), Retail trade (69), Construction (50). There are 13 industry sectors represented in total.
How have home values changed in ZIP code 01940?
According to the FHFA House Price Index, home values in ZIP 01940 increased by 1.0% in 2024. Since 2000, home values in this ZIP have appreciated by approximately 143%. 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 01940?
In ZIP code 01940, 78.5% of residents aged 25+ have a high school diploma or higher, and 62.7% 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 01940?
The mean commute time for workers in ZIP code 01940 is 32.1 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 01940?
In ZIP code 01940, approximately 87.7% of occupied housing units are owner-occupied and 12.3% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 01940?
The poverty rate in ZIP code 01940 is 5.9% 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 01940's numbers, next.
- See how ZIP 01940 compares to a neighboring ZIP code on the same Census fields Compare this ZIP
- Check where Lynnfield, MA 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.