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/NV/HIGHEST-DENSITY

Most Densely Populated ZIP Codes in Nevada

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 89085 North Las Vegas Clark 9,751
2 89108 Las Vegas Clark 8,174
3 89101 Las Vegas Clark 7,946
4 89031 North Las Vegas Clark 7,816
5 89147 Las Vegas Clark 7,610
6 89103 Las Vegas Clark 7,526
7 89121 Las Vegas Clark 7,452
8 89110 Las Vegas Clark 7,229
9 89104 Las Vegas Clark 6,970
10 89102 Las Vegas Clark 6,900
11 89128 Las Vegas Clark 6,688
12 89148 Las Vegas Clark 6,630
13 89107 Las Vegas Clark 6,582
14 89169 Las Vegas Clark 6,430
15 89145 Las Vegas Clark 6,339
16 89117 Las Vegas Clark 6,319
17 89183 Las Vegas Clark 6,141
18 89501 Reno Washoe 5,985
19 89142 Las Vegas Clark 5,870
20 89074 Henderson Clark 5,775
21 89081 North Las Vegas Clark 5,747
22 89122 Las Vegas Clark 5,640
23 89123 Las Vegas Clark 5,619
24 89014 Henderson Clark 5,553
25 89106 Las Vegas Clark 5,435
26 89030 North Las Vegas Clark 5,420
27 89129 Las Vegas Clark 5,353
28 89032 North Las Vegas Clark 4,954
29 89503 Reno Washoe 4,899
30 89130 Las Vegas Clark 4,751
31 89146 Las Vegas Clark 4,614
32 89512 Reno Washoe 4,517
33 89144 Las Vegas Clark 4,354
34 89002 Henderson Clark 4,338
35 89431 Sparks Washoe 4,316
36 89139 Las Vegas Clark 4,232
37 89143 Las Vegas Clark 4,187
38 89141 Las Vegas Clark 4,132
39 89509 Reno Washoe 4,039
40 89119 Las Vegas Clark 3,890
41 89052 Henderson Clark 3,736
42 89134 Las Vegas Clark 3,610
43 89012 Henderson Clark 3,578
44 89113 Las Vegas Clark 3,537
45 89086 North Las Vegas Clark 3,493
46 89149 Las Vegas Clark 3,470
47 89120 Las Vegas Clark 3,315
48 89131 Las Vegas Clark 3,139
49 89115 Las Vegas Clark 2,713
50 89084 North Las Vegas Clark 2,704

Showing the top 50 of 181 ZIP codes in Nevada that have this figure . 89085 ranks 1st at 9,751, against 2,704 in 50th place.

Other rankings for Nevada

Cite this page

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

Underlying data is public domain or openly licensed — sources, vintages and licences.