Residential delivery area · Massachusetts
ZIP Code 02109: Boston, MA
ZIP code 02109 is in Boston, Massachusetts, entirely in Suffolk County (Census 2020 ZIP-county file). About 3,600 people live there (Census Bureau, ACS 2020-2024), the 10th most populous of Boston's 16 residential ZIP codes. Median household income is $158,843 (Census Bureau, ACS 2020-2024).
- ACS2020-24
- Census2020
- ZBP2023
- IRS2022
- Town
- Boston · 16 residential ZIPs
- County
- Suffolk County
- Census places
- Boston
- Neighborhood
- Quincy Market GeoNames
- Metro area
- Boston-Cambridge-Newton, MA-NH
- House district
- MA-8 119th Congress
- State
- Massachusetts
- Time zone
- Eastern
- Land area
- 0.2 sq mi · 21,247 people per sq mi
- PO Box ZIPs
- 18 more ZIP codes use the name Boston for PO boxes or single organizations
Where is ZIP code 02109?
02109 centers on 42.367°, -71.050° and covers 0.2 square miles of land plus 0.1 of water. It borders 5 ZIP codes: 02113, 02110, 02114, 02129, 02108.
The map draws ZIP code areas only. For the streets inside 02109, open its center on OpenStreetMap.
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries and the 2023 Gazetteer (2020 ZCTAs); ZIP-to-county shares, Census places and House districts (119th Congress) from the Census 2020 relationship files (shares of land); metro area from the OMB delineation (July 2023); town name and time zone from simplemaps US ZIP Codes (CC BY 4.0); neighborhoods from the GeoNames gazetteer (CC BY 4.0), placed in this ZIP code by PlainZIP.
How does 02109 compare with the rest of Boston?
| Measure | 02109 | In Boston | In Suffolk County | In MA |
|---|---|---|---|---|
| People (ACS 2020-2024) | 3,612 | 10th of 16 | 31st of 37 | 376th of 539 |
| Median household income | $159k | 2nd of 8 | 4th of 29 | 62nd of 406 |
| Median home value | $958k | 5th of 9 | 7th of 30 | 45th of 449 |
Its median household income is higher than in 97% of U.S. residential ZIP codes, and it is denser than 99% of all U.S. residential ZIP codes. ZIP codes at the ACS caps ($250,000 or more for household income, $2,000,000 or more for home value) share the top rank.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B19013, B25077); ranks by PlainZIP over residential ZIP codes (ZCTAs).
How many people live in 02109?
The 2020 Census counted 3,921 people in 02109; the ACS, which samples households over 2020-2024, estimates 3,612. Between the 2010 and 2020 censuses its population grew 4.0% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 3,612±543 (90% margin)
- 2020 Census count
- 3,921+4.0% since 2010 (3,771)
- Households
- 2,085
- Median age
- 33.5
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B01002, B11001); 2020 Census (DHC P1); 2010 Census (SF1 P1).
Who lives in 02109?
Of the 3,612 people the ACS estimates in 02109, 7.1% are under 18 and 12.8% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (82.0%).
- Under 187.1%
- 18 to 6480.1%
- 65 and older12.8%
- White, not Hispanic82.0%
- Asian, not Hispanic8.9%
- Other or two or more5.0%
- Hispanic or Latino2.7%
- Black, not Hispanic1.4%
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01001 age by sex, B03002 Hispanic or Latino origin by race); shares of the estimated population, small ZIP codes carry wide margins.
What do households in 02109 earn?
Median household income is $158,843 (ACS 2020-2024), the 4th highest of the 29 ranked ZIP codes in Suffolk County. It is not measurably different from 2015-2019 ($200,212 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $158,843±$30,537
- Income per person
- $118,478
- Below the poverty line
- 7.6%
- Unemployed (of the labor force)
- 2.0%
- Adults 25+ with a bachelor's degree
- 85.7%
- Adjusted gross income per tax return, 2022
- $452,1732,630 returns; wages 33% of AGI (IRS)
Source: U.S. Census Bureau, ACS 2020-2024 and 2015-2019 5-year estimates (B19013, B19301, B17001, B23025, B15003; 2015-2019 dollars converted with the BLS CPI-U, 1.22699); IRS Statistics of Income, ZIP code data, tax year 2022 (adjusted gross income per return, filed under the address on the return).
What are homes worth in 02109?
- Median home value (owners' estimate)
- $958,000
- Median gross rent
- $3,500 or more
- Homes owned by their occupants
- 31.7%
- Housing units
- 2,632
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001).
What businesses are in 02109?
1,309 business establishments had a location in this ZIP code in 2023, 140 fewer than in 2018; the most are in professional, scientific, and technical services (ZIP Code Business Patterns).
- Professional, scientific, and technical services446
- Finance and insurance185
- Administrative and support and waste management and remediation services102
- Accommodation and food services93
- Other services (except public administration)93
- Real estate and rental and leasing79
Source: U.S. Census Bureau, ZIP Code Business Patterns 2023 and 2018 (establishments with paid employees, by the business's ZIP code).
Which ZIP codes are next to 02109?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 02113 | Boston | 6,385 | $113k | 0.3 mi |
| 02110 | Boston | 2,342 | $138k | 0.6 mi |
| 02114 | Boston | 14,418 | $132k | 0.9 mi |
| 02129 | Charlestown | 20,032 | $157k | 1.0 mi |
| 02108 | Boston | 3,794 | $213k | 1.1 mi |
| 02203 | Boston | 0 | – | 0.6 mi (near) |
| 02133 | Boston | 62 | – | 0.9 mi (near) |
| 02111 | Boston | 8,407 | $87k | 1.2 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.