ZIP codes

ZIP codes in Kent County, Rhode Island

Kent County has 9 ZIP codes. 8 lie entirely inside it and 1 are shared with neighboring counties, so part of their land and their people are elsewhere. About 171,773 people live in the parts inside it (ACS 2020–2024).

By the All Map Tools Team

ZIP codes: 9; With 1% or more of their land inside
Entirely inside: 8; 99% or more of their land
Shared with other counties: 1; Most with Providence County (1)
Most populated ZIP: 02816; 33,298 people
Least populated ZIP: 02827; 2,469 people · Greene
Largest ZIP by land: 02817; 50 sq mi

Map of the ZIP codes in Kent County

Entirely in the county (99% or more of its land)
Shared, mostly in other counties
Neighboring counties

Open in the interactive tool

Each area is a ZIP code with its number where it fits. Hover over one to see its name.

All ZIP codes in Kent County

9 ZIP codes in Kent County, RI, by number
ZIP code	Main city	Population	Land in the county	Residents in the county
02816	—	33,298	99.9%	≈ 33,293
02817	—	6,647	100%	6,647
02818	Warwick	19,786	100%	19,786
02827	Greene	2,469	100%	2,469
02831	Cranston	3,483	6.4%	≈ 462
02886	Warwick	31,293	100%	31,293
02888	Warwick	19,134	100%	19,134
02889	Warwick	27,516	100%	27,516
02893	—	31,173	100%	31,173

ZIP codes shared with other counties

These 1 ZIP codes have part of their land in another county. The first figure is the share of their land in Kent County; then, where the rest lies.

02831 (Cranston): 6.4% here; 94% in Providence County.

Cities and prefixes

By main city (the city, town or CDP each ZIP shares the most land with), the ones with the most are Warwick (4), Cranston (1), and Greene (1).

All 9 start with the same three digits, 028: the prefix of the USPS sorting center that handles them.

Neighboring counties

Each one with its ZIP codes. Those without a page of their own open in the tool.

Tools for this county

ZIP codes by county or city The same ZIP codes on an interactive map, with the list as CSV or to copy County map with cities Its cities, towns and CDPs with their population ZIP codes in a radius The ZIP codes within 10 miles of its center, or any distance you like

Sources

U.S. Census Bureau, 2020 ZCTA to County, ZCTA to Place and ZCTA to Census Tract Relationship Files (and the 2022 County Subdivision to ZCTA file for Connecticut). Public domain.
U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, table B01003 (population of each ZIP code, census tract and Connecticut town). Public domain.
U.S. Census Bureau, Vintage 2025 Population Estimates (county population) and 2025 Gazetteer Files (land area and interior point of each ZIP code). Public domain.
U.S. Census Bureau, Cartographic Boundary Files: ZCTAs 2020 and counties 2025, 1:500,000; county adjacency file 2025. Public domain.

How we count. ZIP codes here are the Census Bureau’s ZIP Code Tabulation Areas (ZCTAs), the areas it draws to match USPS ZIP codes; ZIPs with no area of their own (PO boxes, single buildings) aren’t included. A ZIP can cross county lines: “Land in the county” is the exact share of its land inside, from the Census relationship files. “Residents in the county” is the whole ZIP for those entirely inside; for shared ones it’s an estimate, spreading the people of each census tract over the land it shares with the ZIP. Population: ACS 2020–2024. Methodology.

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