ZIP Code 02127
standardSource:
South Boston · Suffolk County · Massachusetts
- Population
- 31,799
- Median income
- $164,387
- Median home value
- $863,700
- Bachelor's or higher
- 69.8%
- Land area
- 5.2 sq mi
6,069/sq mi
▲ 115% vs US
higher than 97% of US ZIPs
▲ 211% vs US
higher than 96% of US ZIPs
Median age 32.3
New York
ZIP code 02127 in South Boston, Massachusetts has a population of 31,799. The median household income is $164,387, which is 115% above the national average. Median home value is $863,700, 211% above the US average. 69.8% of residents hold a bachelor's degree or higher.
ZIP code 02127 is classified by USPS as a standard delivery area and covers roughly 5.2 square miles in South Boston, Suffolk County, Massachusetts. The area is home to 31,799 residents, producing a population density of 6,069 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 02127 against Massachusetts and the nation.
On the economic side, the median household income for ZIP 02127 sits at $164,387 (42% above the Massachusetts average), while per-capita income is $99,163. The poverty rate stands at 11.1% and the unemployment rate at 4.0%. On housing, the median home value is $863,700 (44% above the state average) with median rent at $2,736 per month, and 45.3% of occupied units are owner-occupied, a direct signal of whether 02127 behaves more like a homeowner neighborhood or a renter-heavy ZIP.
Education and household profile round out the picture: 69.8% of adults hold a bachelor's degree or higher, the median age is 32.3, and the average commute is 30 minutes. We also surface 10 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing Suffolk County, so you can benchmark 02127 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 02127
Top 5 sectors by establishment count
Which industries have the most business establishments in ZIP 02127.
- Professional, scientific, and technical services
Professional, scientific, and technical services
100 establishments
- Accommodation and food services
Accommodation and food services
88 establishments
- Other services (except public administration)
Other services (except public administration)
85 establishments
- Retail trade
Retail trade
76 establishments
- Construction
Construction
64 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 02127, South Boston, 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
31,799
Population
5.2
Area (sq mi)
6,069
People / sq mi
New York
Time Zone
standard
ZIP Type
Who lives in ZIP 02127?
32.3
Median Age
49.0%
Male
51.0%
Female
13.6%
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?
$164,387
Median Household Income
+42% vs state
$99,163
Per Capita Income
11.1%
Poverty Rate
4.0%
Unemployment Rate
30.0 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?
19,534
Total Housing Units
18,066
Occupied Units
1,468
Vacant Units
2.02
Avg Household Size
Occupancy Type
$863,700
Median Home Value
+44% vs state
$2,736
Median Rent
1948
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
+0.4%
YoY Change (2024)
349
HPI Index (2000 = 100)
+249%
Total Change Since 2000
Home values in ZIP 02127 have increased 0.4% over the past year (2024). Since 2000, this ZIP has seen +249% cumulative appreciation.
| Year | Annual Change | HPI Index |
|---|---|---|
| 2020 | +6.3% | 297 |
| 2021 | +3.3% | 307 |
| 2022 | +10.9% | 340 |
| 2023 | +2.0% | 347 |
| 2024 | +0.4% | 349 |
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 707 business establishments in ZIP 02127, employing approximately 10,661 people with a combined annual payroll of $852,210,000.
707
Businesses
10,661
Employees
$852.2M
Annual Payroll
17
Industry Sectors
| Industry | Establishments | % of Total |
|---|---|---|
| Professional, scientific, and technical services | 100 | 14.1% |
| Accommodation and food services | 88 | 12.4% |
| Other services (except public administration) | 85 | 12.0% |
| Retail trade | 76 | 10.8% |
| Construction | 64 | 9.1% |
| Health care and social assistance | 57 | 8.1% |
| Real estate and rental and leasing | 54 | 7.6% |
| Wholesale trade | 34 | 4.8% |
| Finance and insurance | 34 | 4.8% |
| Administrative and support and waste management and remediation services | 30 | 4.2% |
| Transportation and warehousing | 21 | 3.0% |
| Arts, entertainment, and recreation | 17 | 2.4% |
| Manufacturing | 13 | 1.8% |
| Information | 13 | 1.8% |
| Management of companies and enterprises | 9 | 1.3% |
| Educational services | 7 | 1.0% |
| Industries not classified | 3 | 0.4% |
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 02127 vs 02210 →
| ZIP Code | City | Population | Distance |
|---|---|---|---|
| 02210 | Boston, MA | 2,090 | 0.9 mi |
| 02118 | Boston, MA | 26,498 | 1.6 mi |
| 02111 | Boston, MA | 7,383 | 1.5 mi |
| 02110 | Boston, MA | 1,733 | 1.8 mi |
| 02125 | Dorchester, MA | 33,295 | 1.6 mi |
| 02122 | Dorchester, MA | 23,479 | 2.4 mi |
| 02109 | Boston, MA | 3,771 | 2.2 mi |
| 02203 | Boston, MA | 0 | 2.0 mi |
| 02113 | Boston, MA | 6,915 | 2.3 mi |
| 02108 | Boston, MA | 3,825 | 2.1 mi |
More ZIP Codes in Suffolk County
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Frequently Asked Questions
What county is ZIP code 02127 in? ▼
What is the population of ZIP code 02127? ▼
What is the median household income in ZIP 02127? ▼
What is the average home value in ZIP 02127? ▼
What is the demographic makeup of ZIP 02127? ▼
How many businesses are in ZIP code 02127? ▼
What are the main industries in ZIP code 02127? ▼
How have home values changed in ZIP code 02127? ▼
What is the education level in ZIP code 02127? ▼
What is the average commute time in ZIP 02127? ▼
What percentage of residents own vs. rent in ZIP 02127? ▼
What is the poverty rate in ZIP code 02127? ▼
ZIP Code Research Guides
Official Data Resources for South Boston, 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.