PlainZIP

Charlestown, MA · standard

ZIP Code 02129

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

16,439
4,698/sq mi
$157,247
Median income
$912,000
Median home value
71.2%
Bachelor's or higher

The verdict

Charlestown pairs a top-decile household income with top-decile home values, in a suburban-density, mixed-tenure area.

Top 3%
household income, US ZIPs
Top 3%
home value, US ZIPs
4,698
people per sq mi
51%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 02129 against every reporting US ZIP.

ZIP code 02129 is a mid-sized community (a standard USPS delivery area) in Charlestown, Suffolk County, Massachusetts, home to 16,439 residents across 3.5 square miles, a density of 4,698 people per square mile, in the New York time zone.

ZIP 02129 skews affluent, with a median household income of $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%. Median home value sits at $912,000 (52% above the state average), median rent at $2,259 a month, and owner-occupancy at 50.5%.

This is a highly-educated ZIP: 71.2% of adults hold a bachelor's degree or higher, the median age is 35.6, and the average commute is 29 minutes. A geography-based comparison follows: 10 ZIP codes within about 10 miles of 02129, plus 6 more within Suffolk County, give a clearer read than the 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 02129

Top 5 sectors by establishment count in Charlestown, MA

Which industries have the most business establishments in ZIP 02129.

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 02129, Charlestown, 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

16,439

Population

3.5

Area (sq mi)

4,698

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 02129?

35.6

Median Age

47.3%

Male

52.7%

Female

13.1%

Foreign-Born

White 72.1%
African American 6.2%
Asian 8.4%
American Indian or Alaska Native 0.0%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 10.3%
Hispanic or Latino 9.5%

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

How ZIP 02129 ranks nationally

Charlestown, MA household income vs. every US ZIP code

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

$157,247 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 82.4%
Bachelor's Degree or Higher 71.2%

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

Owner 50.5%
Renter 49.5%

$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 02129 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 02129 ranks #3 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 02129 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 02129 ranks #3 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
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

02151 standard
Revere, MA
Pop: 51,808
02124 standard
Dorchester Center, MA
Pop: 47,783
02135 standard
Brighton, MA
Pop: 42,780
02128 standard
East Boston, MA
Pop: 40,508
02130 standard
Jamaica Plain, MA
Pop: 35,401
02150 standard
Chelsea, MA
Pop: 35,124

Related Areas

Suffolk County Charlestown, MA Massachusetts

Frequently Asked Questions

What county is ZIP code 02129 in? ▼
ZIP code 02129 (Charlestown) is located in Suffolk County, Massachusetts. Suffolk County contains multiple ZIP codes, see the full list at /counties/suffolk-ma.
What is the population of ZIP code 02129? ▼
ZIP code 02129 in Charlestown, MA has a population of 16,439 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 02129? ▼
The median household income in ZIP 02129 is $157,247, which is 106% above the national average of $76,288.
What is the average home value in ZIP 02129? ▼
The median home value in ZIP 02129 is $912,000, which is 228% above the national average of $278,155.
What is the demographic makeup of ZIP 02129? ▼
The largest racial group in ZIP 02129 is White at 72.1%. Hispanic or Latino residents make up 9.5% of the population.
How many businesses are in ZIP code 02129? ▼
ZIP code 02129 has 536 business establishments employing approximately 13,245 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 02129? ▼
The top industries by establishment count in ZIP 02129 are: Professional, scientific, and technical services (113), Other services (except public administration) (61), Real estate and rental and leasing (49). There are 17 industry sectors represented in total.
How have home values changed in ZIP code 02129? ▼
According to the FHFA House Price Index, home values in ZIP 02129 increased by 22.3% in 2022. Since 2000, home values in this ZIP have appreciated by approximately 214%. 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 02129? ▼
In ZIP code 02129, 82.4% of residents aged 25+ have a high school diploma or higher, and 71.2% 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 02129? ▼
The mean commute time for workers in ZIP code 02129 is 28.7 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 02129? ▼
In ZIP code 02129, approximately 50.5% of occupied housing units are owner-occupied and 49.5% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 02129? ▼
The poverty rate in ZIP code 02129 is 8.8% 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.