Every ZIP code in the United States, with weather, radar, trivia and the numbers behind it. Five digits since 1963!

ZIP stands for Zone Improvement Plan. The codes went live on July 1, 1963.The lowest ZIP code is 00501 — the IRS in Holtsville, New York.The highest ZIP code is 99950, in Ketchikan, Alaska.Type 07734 into a calculator and turn it upside down: hELLO. It is Keansburg, New Jersey.12345 belongs to one company: General Electric in Schenectady, New York.The first digit is a region: 0 is New England and New Jersey, 9 is the West Coast, Alaska and Hawaii.Mr. ZIP, the cartoon mailman, was the mascot that sold the idea to America.ZIP+4 arrived in 1983 and can narrow a ZIP down to one side of one block.A ZIP code is a mail route, not a place: plenty of them cross county and even state lines.Play ZIP Hunt: guess the secret ZIP code of the day in six tries.
zipcodes.pro — RANKINGS/RI/HIGHEST-DENSITY

Most Densely Populated ZIP Codes in Rhode Island

What this measures. People per square mile of land area. Source: Census American Community Survey and Gazetteer, data release 2026-10-12.

# ZIP City County People per sq mi
1 02912 Providence Providence 24,424
2 02863 Central Falls Providence 19,013
3 02918 Providence Providence 18,750
4 02909 Providence Providence 14,701
5 02907 Providence Providence 14,249
6 02908 Providence Providence 11,611
7 02860 Pawtucket Providence 8,958
8 02906 Providence Providence 8,512
9 02861 Pawtucket Providence 7,874
10 02903 Providence Providence 7,054
11 02910 Cranston Providence 6,845
12 02905 Providence Providence 6,681
13 02904 Providence Providence 6,285
14 02911 North Providence Providence 6,261
15 02895 Woonsocket Providence 5,606
16 02914 East Providence Providence 4,450
17 02920 Cranston Providence 4,152
18 02841 Newport Newport 4,133
19 02893 West Warwick Kent 3,980
20 02802 Albion Providence 3,508
21 02916 Rumford Providence 3,277
22 02889 Warwick Kent 3,254
23 02888 Warwick Kent 3,245
24 02840 Newport Newport 3,222
25 02915 Riverside Providence 3,039
26 02838 Manville Providence 2,677
27 02824 Forestdale Providence 2,383
28 02881 Kingston Washington 2,282
29 02809 Bristol Bristol 2,270
30 02806 Barrington Bristol 2,092
31 02886 Warwick Kent 1,981
32 02885 Warren Bristol 1,810
33 02876 Slatersville Providence 1,784
34 02828 Greenville Providence 1,616
35 02864 Cumberland Providence 1,391
36 02842 Middletown Newport 1,343
37 02919 Johnston Providence 1,268
38 02858 Oakland Providence 1,194
39 02865 Lincoln Providence 1,120
40 02871 Portsmouth Newport 1,025
41 02882 Narragansett Washington 1,020
42 02921 Cranston Providence 933
43 02818 East Greenwich Kent 932
44 02816 Coventry Kent 901
45 02891 Westerly Washington 821
46 02852 North Kingstown Washington 759
47 02917 Smithfield Providence 713
48 02835 Jamestown Newport 591
49 02878 Tiverton Newport 557
50 02879 Wakefield Washington 552

Showing the top 50 of 81 ZIP codes in Rhode Island that have this figure . 02912 ranks 1st at 24,424, against 552 in 50th place.

Other rankings for Rhode Island

Cite this page

zipcodes.pro. “Most Densely Populated ZIP Codes in Rhode Island.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/rankings/ri/highest-density

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