ZIP Code 02129
standardSource:
Charlestown · Suffolk County · Massachusetts
- Population
- 16,439
- Median income
- $157,247
- Median home value
- $912,000
- Bachelor's or higher
- 71.2%
- Land area
- 3.5 sq mi
4,698/sq mi
▲ 106% vs US
higher than 97% of US ZIPs
▲ 228% vs US
higher than 97% of US ZIPs
Median age 35.6
New York
ZIP code 02129 in Charlestown, Massachusetts has a population of 16,439. The median household income is $157,247, which is 106% above the national average. Median home value is $912,000, 228% above the US average. 71.2% of residents hold a bachelor's degree or higher.
ZIP code 02129 is classified by USPS as a standard delivery area and covers roughly 3.5 square miles in Charlestown, Suffolk County, Massachusetts. The area is home to 16,439 residents, producing a population density of 4,698 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 02129 against Massachusetts and the nation.
On the economic side, the median household income for ZIP 02129 sits at $157,247 (36% above the Massachusetts average), while per-capita income is $100,420. The poverty rate stands at 8.8% and the unemployment rate at 3.6%. On housing, the median home value is $912,000 (52% above the state average) with median rent at $2,259 per month, and 50.5% of occupied units are owner-occupied, a direct signal of whether 02129 behaves more like a homeowner neighborhood or a renter-heavy ZIP.
Education and household profile round out the picture: 71.2% of adults hold a bachelor's degree or higher, the median age is 35.6, and the average commute is 29 minutes. We also surface 10 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing Suffolk County, so you can benchmark 02129 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 02129
Top 5 sectors by establishment count
Which industries have the most business establishments in ZIP 02129.
- Professional, scientific, and technical services
Professional, scientific, and technical services
113 establishments
- Other services (except public administration)
Other services (except public administration)
61 establishments
- Real estate and rental and leasing
Real estate and rental and leasing
49 establishments
- Health care and social assistance 44
Health care and social assistance
44 establishments
- Retail trade 41
Retail trade
41 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 02129, Charlestown, 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
16,439
Population
3.5
Area (sq mi)
4,698
People / sq mi
New York
Time Zone
standard
ZIP Type
Who lives in ZIP 02129?
35.6
Median Age
47.3%
Male
52.7%
Female
13.1%
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?
$157,247
Median Household Income
+36% vs state
$100,420
Per Capita Income
8.8%
Poverty Rate
3.6%
Unemployment Rate
28.7 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?
10,107
Total Housing Units
9,606
Occupied Units
501
Vacant Units
2.08
Avg Household Size
Occupancy Type
$912,000
Median Home Value
+52% vs state
$2,259
Median Rent
1938
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
+22.3%
YoY Change (2022)
314
HPI Index (2000 = 100)
+214%
Total Change Since 2000
Home values in ZIP 02129 have increased 22.3% over the past year (2022). Since 2000, this ZIP has seen +214% cumulative appreciation.
| Year | Annual Change | HPI Index |
|---|---|---|
| 2018 | +15.2% | 267 |
| 2019 | -3.6% | 257 |
| 2020 | +0.4% | 258 |
| 2021 | -0.6% | 257 |
| 2022 | +22.3% | 314 |
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 2022. ZIP codes with few transactions may show missing values.
What businesses operate in this ZIP?
Census Bureau data shows 536 business establishments in ZIP 02129, employing approximately 13,245 people with a combined annual payroll of $1,091,521,000.
536
Businesses
13,245
Employees
$1.1B
Annual Payroll
17
Industry Sectors
| Industry | Establishments | % of Total |
|---|---|---|
| Professional, scientific, and technical services | 113 | 21.1% |
| Other services (except public administration) | 61 | 11.4% |
| Real estate and rental and leasing | 49 | 9.1% |
| Health care and social assistance | 44 | 8.2% |
| Retail trade | 41 | 7.7% |
| Accommodation and food services | 40 | 7.5% |
| Manufacturing | 30 | 5.6% |
| Construction | 28 | 5.2% |
| Administrative and support and waste management and remediation services | 26 | 4.8% |
| Finance and insurance | 24 | 4.5% |
| Wholesale trade | 20 | 3.7% |
| Information | 13 | 2.4% |
| Arts, entertainment, and recreation | 13 | 2.4% |
| Educational services | 12 | 2.2% |
| Transportation and warehousing | 11 | 2.0% |
| Utilities | 7 | 1.3% |
| Management of companies and enterprises | 3 | 0.6% |
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 02129 vs 02113 →
| ZIP Code | City | Population | Distance |
|---|---|---|---|
| 02113 | Boston, MA | 6,915 | 1.0 mi |
| 02203 | Boston, MA | 0 | 1.3 mi |
| 02114 | Boston, MA | 11,999 | 1.2 mi |
| 02109 | Boston, MA | 3,771 | 1.1 mi |
| 02108 | Boston, MA | 3,825 | 1.5 mi |
| 02141 | Cambridge, MA | 11,910 | 1.3 mi |
| 02110 | Boston, MA | 1,733 | 1.6 mi |
| 02111 | Boston, MA | 7,383 | 2.1 mi |
| 02149 | Everett, MA | 41,550 | 1.9 mi |
| 02143 | Somerville, MA | 24,514 | 1.8 mi |
More ZIP Codes in Suffolk County
Related Areas
Frequently Asked Questions
What county is ZIP code 02129 in? ▼
What is the population of ZIP code 02129? ▼
What is the median household income in ZIP 02129? ▼
What is the average home value in ZIP 02129? ▼
What is the demographic makeup of ZIP 02129? ▼
How many businesses are in ZIP code 02129? ▼
What are the main industries in ZIP code 02129? ▼
How have home values changed in ZIP code 02129? ▼
What is the education level in ZIP code 02129? ▼
What is the average commute time in ZIP 02129? ▼
What percentage of residents own vs. rent in ZIP 02129? ▼
What is the poverty rate in ZIP code 02129? ▼
ZIP Code Research Guides
Official Data Resources for Charlestown, 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.