Residential delivery area · Massachusetts
ZIP Code 02370: Rockland, MA
ZIP code 02370 uses the postal name Rockland, Massachusetts and lies entirely in Plymouth County (Census 2020 ZIP-county file). About 18,000 people live there (Census Bureau, ACS 2020-2024). Median household income is $112,405 (Census Bureau, ACS 2020-2024). Its land lies outside any incorporated or census-designated place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Rockland · its only residential ZIP
- County
- Plymouth County
- Metro area
- Boston-Cambridge-Newton, MA-NH
- House district
- MA-9 119th Congress
- State
- Massachusetts
- Time zone
- Eastern
- Land area
- 10.0 sq mi · 1,765 people per sq mi
Where is ZIP code 02370?
02370 centers on 42.129°, -70.909° and covers 10.0 square miles of land plus 0.1 of water. It borders 7 ZIP codes: 02351, 02339, 02190, 02382, 02061, 02341, 02043.
The map draws ZIP code areas only. For the streets inside 02370, 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 02370 compare with the rest of Plymouth County?
| Measure | 02370 | In Plymouth County | In MA |
|---|---|---|---|
| People (ACS 2020-2024) | 17,701 | 10th of 36 | 152nd of 539 |
| Median household income | $112k | 23rd of 30 | 208th of 406 |
| Median home value | $473k | 23rd of 32 | 271st of 449 |
Its median household income is higher than in 88% of U.S. residential ZIP codes, and it is denser than 83% 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 02370?
The 2020 Census counted 17,803 people in 02370; the ACS, which samples households over 2020-2024, estimates 17,701. Between the 2010 and 2020 censuses its population grew 1.8% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 17,701
- 2020 Census count
- 17,803+1.8% since 2010 (17,489)
- Households
- 6,897
- Median age
- 40.7
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 02370?
Of the 17,701 people the ACS estimates in 02370, 20.2% are under 18 and 15.9% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (82.4%).
- Under 1820.2%
- 18 to 6463.9%
- 65 and older15.9%
- White, not Hispanic82.4%
- Hispanic or Latino8.8%
- Other or two or more5.9%
- Black, not Hispanic2.3%
- Asian, not Hispanic0.6%
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 02370 earn?
Median household income is $112,405 (ACS 2020-2024), the 23rd highest of the 30 ranked ZIP codes in Plymouth County. It is not measurably different from 2015-2019 ($95,719 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $112,405±$12,309
- Income per person
- $51,822
- Below the poverty line
- 6.5%
- Unemployed (of the labor force)
- 4.4%
- Adults 25+ with a bachelor's degree
- 32.7%
- Adjusted gross income per tax return, 2022
- $76,8799,510 returns; wages 77% 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 02370?
FHFA's house price index for 02370, built from repeat sales and appraisals of the same homes, rose 100% from 2015 to 2025 and rose 54% from 2020 to 2025, and moved +5.0% in 2025.
- Median home value (owners' estimate)
- $472,900
- Median gross rent
- $1,610
- Homes owned by their occupants
- 76.5%
- Housing units
- 7,136
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 02370?
515 business establishments had a location in this ZIP code in 2023, 37 more than in 2018; the most are in construction (ZIP Code Business Patterns).
- Construction97
- Retail trade57
- Professional, scientific, and technical services54
- Other services (except public administration)48
- Finance and insurance44
- Administrative and support and waste management and remediation services36
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 02370?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 02351 | Abington | 17,053 | $125k | 2.6 mi |
| 02339 | Hanover | 14,845 | $190k | 2.7 mi |
| 02190 | South Weymouth | 19,695 | $100k | 3.4 mi |
| 02382 | Whitman | 15,295 | $109k | 3.8 mi |
| 02061 | Norwell | 11,361 | $189k | 5.2 mi |
| 02341 | Hanson | 10,542 | $132k | 5.9 mi |
| 02043 | Hingham | 24,283 | $178k | 6.2 mi |
| 02343 | Holbrook | 11,346 | $115k | 4.6 mi (near) |
| 02302 | Brockton | 36,417 | $92k | 5.4 mi (near) |
| 02188 | Weymouth | 16,179 | $107k | 5.8 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.