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    Zip Code 02891

    Westerly, Rhode Island — Washington County

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    📍 ZIP code 02891 is in Westerly, Washington County, Rhode Island.

    ZIP code 02891 is located in Westerly, Washington County, Rhode Island. It is a zip code in the Eastern (EST/EDT) Time Zone with an estimated population of 21,698. The area code for ZIP code 02891 is 401.

    Quick Answer

    Zip code 02891 is in Westerly, Rhode Island (Washington County). It has a population of 21,698, median household income of $90,435, and median home value of $422,600.

    Population

    21,698

    Income

    $90,435

    Home Value

    $422,600

    Climate

    82°F / 25°F

    About Zip Code 02891

    Zip code 02891 is located in Westerly, Rhode Island, within Washington County. Home to approximately 21,698 residents, this area sits at an elevation of 33 ft and falls within the Eastern (EST/EDT) timezone. The local area code is 401.

    The median household income is $90,435 per year, which is above the national median of $70,784. Homes in this zip code have a median value of $422,600, and the cost of living index is 133 (33% above the national average of 100).

    Summers average a high of 82°F while winters drop to 25°F. The area receives about 43 in of rain and 24 in of snow annually. The zip code covers 26.4 square miles of land area and 4.8 square miles of water.

    Key Statistics

    Population

    21,698

    Median Income

    $90,435

    Median Home Value

    $422,600

    Timezone

    Eastern (EST/EDT)

    Area Code

    401

    Elevation

    33 ft

    Land Area

    26.4 sq mi

    Median Age

    54.5

    Housing Units

    12,660

    Compare With Nearby Zip Codes

    Metric028910637902808028040637802813
    CityWesterly, RIPawcatuck, CTBradford, RIAshaway, RIPawcatuck, CTCharlestown, RI
    Population21,6989,0032,5612,6615,4088,017
    Median Income$90,435$87,352$94,712$101,392$126,014$103,147
    Home Value$422,600$364,700$331,700$303,000$576,200$467,700
    Cost of Living133119102116172145
    Median Age54.54339.848.457.953

    Cost of Living

    Cost of Living Index133

    100 = National Average. Westerly's cost of living is 33% above the national average.

    vs. State Avg

    Above

    Affordability

    Expensive

    Income-to-Home

    4.7x

    Demographics

    Zip code 02891 has a population of 21,698 people with a median age of 54.5. There are 12,660 housing units in this area.

    Racial & Ethnic Composition

    white90%
    black1%
    hispanic3%
    asian3%
    other3%

    Source: U.S. Census Bureau American Community Survey estimates.

    Population History

    Westerly (02891) population trend from 2010 to 2024

    ↓ -18.1%
    2010201220142016201820202022202416k20k23k29k

    Source: U.S. Census Bureau estimates and American Community Survey data.

    Climate & Weather

    Summer High

    82°F

    Winter Low

    25°F

    Annual Rainfall

    43 in

    Annual Snowfall

    24 in

    Westerly experiences warm summers with average highs around 82°F. Winters are cool with lows averaging 25°F. The area receives about 24 in of snow per year.

    Housing & Economy

    Median Home Value

    $422,600

    Median Household Income

    $90,435

    With 12,660 housing units across 26.4 square miles, 02891 has a housing density of 480 units per square mile. The home price-to-income ratio is 4.7x.

    Location & Geography

    Latitude

    41.3578°

    Longitude

    -71.7896°

    Land Area

    26.4 sq mi

    Water Area

    4.8 sq mi

    41.3578, -71.7896Open in Google Maps →

    Nearby Zip Codes

    Zip codes closest to 02891 (Westerly, RI) with distances:

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    ZIP Codes with Similar Income Nationwide

    The five U.S. ZIP codes whose median household income is closest to 02891's $90,435. A way to compare Westerly to economically similar communities elsewhere in the country.

    Computed from U.S. Census Bureau ACS 5-Year Estimates by the Zip Code Near Me Data Team.

    ZIP Codes with Similar Demographics

    The five U.S. ZIP codes whose racial and ethnic composition most closely matches 02891 (Westerly, RI). Similarity is measured by cosine distance on the five-category ACS demographic vector.

    Computed from U.S. Census Bureau ACS 5-Year Estimates by the Zip Code Near Me Data Team.

    Explore Rhode Island

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    People Also Ask

    What zip code is Westerly, Rhode Island?

    Westerly, Rhode Island uses zip code 02891.

    What county is zip code 02891 in?

    Zip code 02891 is located in Washington County, Rhode Island.

    What is the population of zip code 02891?

    The population of zip code 02891 is 21,698 with a median age of 54.5.

    Is 02891 in Westerly, Rhode Island?

    Yes, zip code 02891 is in Westerly, Washington County, Rhode Island. The area code is 401.

    Frequently Asked Questions

    What city is zip code 02891 in?

    Zip code 02891 is in Westerly, Rhode Island. It is part of Washington County and uses the Eastern (EST/EDT) timezone.

    What is zip code 02891?

    Zip code 02891 is a U.S. postal code in Westerly, Rhode Island (Washington County). It has a population of 21,698 and covers 26.4 square miles.

    What is the population of zip code 02891?

    The population of zip code 02891 (Westerly, RI) is 21,698 with a median age of 54.5. There are approximately 12,660 housing units in this area.

    What is the median income in zip code 02891?

    The median household income in zip code 02891 (Westerly, RI) is $90,435 per year. The cost of living index is 133 (100 = national average).

    What is the average home price in zip code 02891?

    The median home value in zip code 02891 (Westerly, RI) is $422,600. The cost of living index is 133 compared to the national average of 100.

    What county is zip code 02891 in?

    Zip code 02891 is located in Washington County, Rhode Island. The primary city is Westerly.

    What is the area code for zip code 02891?

    Zip code 02891 in Westerly, RI uses area code 401. It is located in the Eastern (EST/EDT) timezone.

    Is zip code 02891 a good place to live?

    Zip code 02891 (Westerly, RI) has a cost of living index of 133 (100 = national average), a median household income of $90,435, and median home values of $422,600. The median age is 54.5. Visit the full page for demographics, climate, and nearby zip code comparisons.

    What is the cost of living in zip code 02891?

    The cost of living index for zip code 02891 (Westerly, RI) is 133, where 100 represents the national average. This area is above the national average. Median home value: $422,600.

    What schools serve zip code 02891?

    Zip code 02891 in Westerly, Rhode Island is served by the local school district of Washington County. For specific school information, check your state's department of education or GreatSchools.org.

    All demographic data on this page is sourced from the U.S. Census Bureau American Community Survey (ACS) 5-Year Estimates. ZIP code boundary and delivery data is sourced from the United States Postal Service (USPS). Data is updated periodically and may not reflect the most current figures. Census Bureau ZIP Code Tabulation Areas (ZCTAs) may differ slightly from USPS ZIP code boundaries.

    People Also Searched For

    Data Sources

    Population, income, housing, age, and demographics
    U.S. Census Bureau, American Community Survey 5-Year Estimates, 2019-2023 vintage.
    ZIP to city and county mapping
    USPS and HUD-USPS ZIP-County Crosswalk.
    Time zones and area codes
    IANA tz database and NANPA.
    Elevation
    U.S. Geological Survey National Elevation Dataset (NED), via the USGS Elevation Point Query Service. Mapped to each ZCTA centroid coordinates. Last refreshed 2026-05-19.
    Last refreshed
    2026-05-18.

    Methodology