Residential delivery area · Massachusetts
ZIP Code 02186: Milton, MA
ZIP code 02186 is in Milton, Massachusetts, entirely in Norfolk County (Census 2020 ZIP-county file). About 29,000 people live there (Census Bureau, ACS 2020-2024). Median household income is $188,033 (Census Bureau, ACS 2020-2024).
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Milton · its only residential ZIP
- County
- Norfolk County
- Census places
- Milton census-designated place
- Metro area
- Boston-Cambridge-Newton, MA-NH
- House districts
- MA-7 (53%), MA-8 (47%) 119th Congress, by share of land
- State
- Massachusetts
- Time zone
- Eastern
- Land area
- 13.7 sq mi · 2,098 people per sq mi
Where is ZIP code 02186?
02186 centers on 42.242°, -71.082° and covers 13.7 square miles of land plus 0.5 of water. It borders 9 ZIP codes: 02126, 02136, 02124, 02169, 02170, 02122, 02171, 02368, 02021.
The map draws ZIP code areas only. For the streets inside 02186, 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).
How does 02186 compare with the rest of Norfolk County?
| Measure | 02186 | In Norfolk County | In MA |
|---|---|---|---|
| People (ACS 2020-2024) | 28,735 | 8th of 41 | 71st of 539 |
| Median household income | $188k | 10th of 38 | 36th of 406 |
| Median home value | $933k | 11th of 40 | 53rd of 449 |
Its median household income is higher than in 99% of U.S. residential ZIP codes, and it is denser than 85% 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 02186?
The 2020 Census counted 28,637 people in 02186; the ACS, which samples households over 2020-2024, estimates 28,735. Between the 2010 and 2020 censuses its population grew 6.1% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 28,735
- 2020 Census count
- 28,637+6.1% since 2010 (27,003)
- Households
- 9,121
- Median age
- 41.0
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 02186?
Of the 28,735 people the ACS estimates in 02186, 25.4% are under 18 and 16.1% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (69.9%), then Black (not Hispanic) (16.0%).
- Under 1825.4%
- 18 to 6458.5%
- 65 and older16.1%
- White, not Hispanic69.9%
- Black, not Hispanic16.0%
- Asian, not Hispanic5.6%
- Other or two or more5.4%
- Hispanic or Latino3.2%
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 02186 earn?
Median household income is $188,033 (ACS 2020-2024), the 10th highest of the 38 ranked ZIP codes in Norfolk County. It rose from $164,071 in 2015-2019 (in 2024 dollars), a change larger than the surveys' margins of error.
- Median household income
- $188,033
- Income per person
- $74,509
- Below the poverty line
- 5.2%
- Unemployed (of the labor force)
- 4.8%
- Adults 25+ with a bachelor's degree
- 71.9%
- Adjusted gross income per tax return, 2022
- $221,58713,300 returns; wages 62% 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 02186?
FHFA's house price index for 02186, built from repeat sales and appraisals of the same homes, rose 85% from 2015 to 2025 and rose 42% from 2020 to 2025, and moved +4.4% in 2025.
- Median home value (owners' estimate)
- $933,200
- Median gross rent
- $1,486
- Homes owned by their occupants
- 84.9%
- Housing units
- 9,362
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001); FHFA House Price Index, annual five-digit ZIP, updated 2026-03-31.
What businesses are in 02186?
482 business establishments had a location in this ZIP code in 2023, 11 more than in 2018; the most are in construction (ZIP Code Business Patterns).
- Construction96
- Professional, scientific, and technical services83
- Health care and social assistance77
- Other services (except public administration)52
- Retail trade26
- Real estate and rental and leasing26
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 02186?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 02126 | Mattapan | 26,583 | $66k | 2.5 mi |
| 02136 | Hyde Park | 37,265 | $97k | 2.5 mi |
| 02124 | Dorchester Center | 56,216 | $82k | 3.1 mi |
| 02169 | Quincy | 62,993 | $96k | 3.4 mi |
| 02170 | Quincy | 18,809 | $104k | 3.8 mi |
| 02122 | Dorchester | 23,479 | $86k | 4.0 mi |
| 02171 | Quincy | 20,164 | $107k | 4.5 mi |
| 02368 | Randolph | 34,912 | $110k | 4.6 mi |
| 02021 | Canton | 24,748 | $143k | 5.1 mi |
| 02131 | Roslindale | 31,151 | $111k | 3.6 mi (near) |
| 02121 | Dorchester | 29,040 | $43k | 4.4 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.