Zip Code 02891 — Westerly, RI
02891 is a ZIP Code associated with Westerly, RI, located within Washington. 02891 ranks #3 out of 20 ZIP codes in Washington County by population (and #24 out of 81 in RI). The area supports an estimated population of 21,587 residents across Data Pending housing units, with a population density of 317.1 people per square mile.
WorldPlaceData database updated: October 2026
📍 View location on OpenStreetMap (41.360430, -71.794290)
| Data Metric | Local Statistic |
|---|
| Postal / Zip Code | 02891 |
| Primary City | Westerly |
| State / Province | RI |
| County | Washington |
| Total Population | 21,587 |
| Median Household Income | Data Pending |
| Total Housing Units | Data Pending |
| Population Density | 317.1 people/sq mi |
| Timezone | America/New_York |
How 02891 Compares
| Metric | ZIP 02891 | Washington County | RI State Average |
|---|
| Population | 21,587 | 130,344 (Total) | 1,101,850 (Total) |
| Average ZIP Income | Data Pending | N/A | N/A |
| Population Density | 317.1 /sq mi | -- | -- |
| County Pop Rank | #3 of 20 | -- | -- |
Nearby ZIP Codes
Data Sources & Methodology: Geographic coordinates and ZIP Code assignments are derived from underlying geographic and postal datasets. Note that ZIP Codes are USPS postal delivery areas, while Census ZCTAs are statistical approximation areas. Read full methodology →