Lexington, MA ZIP codes
Lexington, Massachusetts has 2 ZIP codes. They are in Middlesex County.
- Population in these ZIPs
- 34,295
- Avg. median income
- $236,000population-weighted
- Typical home value
- $1,552,000population-weighted
- Metro area
- Boston-Cambridge-Newton, MA-NH
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Lexington, MA ZIP codes list
| ZIP code | County | Population | Median income | Typical home value |
|---|---|---|---|---|
| 02420 | Middlesex County | 16,215 | $245,031 | $1,506,000 |
| 02421 | Middlesex County | 18,080 | $227,813 | $1,593,300 |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
Cities near Lexington
- Hanscom Afb 3 mi
- Arlington 4 mi
- Burlington 4 mi
- Winchester 4 mi
- Bedford 4 mi
- Belmont 4 mi
- Lincoln 4 mi
- Woburn 4 mi
- Waltham 5 mi
- Watertown 6 mi
- Medford 6 mi
- Newtonville 7 mi
Frequently asked questions
What county is Lexington, Massachusetts in?
Lexington ZIP codes are in Middlesex County.