ZIP Codes in the Casper-Riverton Area Area Ranked by Population 66 ZIP Codes

This table ranks all 66 ZIP codes in the Casper-Riverton Area metro area by estimated 2022 population, from highest to lowest.

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#ZIP CodePlace NamePopulation (2022)
1ZIP 82901Rock Springs27,713
2ZIP 82604Casper27,492
3ZIP 82601Casper26,973
4ZIP 82718Gillette25,413
5ZIP 82501Riverton18,898
6ZIP 82609Casper18,567
7ZIP 82716Gillette18,167
8ZIP 82520Lander13,248
9ZIP 82935Green River12,316
10ZIP 82633Douglas9,555
11ZIP 82301Rawlins8,349
12ZIP 82834Buffalo7,517
13ZIP 82401Worland6,942
14ZIP 82701Newcastle5,383
15ZIP 82941Pinedale4,773
16ZIP 82443Thermopolis4,546
17ZIP 82637Glenrock4,107
18ZIP 82636Evansville3,903
19ZIP 82721Moorcroft2,929
20ZIP 83113Big Piney2,444
21ZIP 82225Lusk1,749
22ZIP 82644Mills1,739
23ZIP 82732Wright1,509
24ZIP 82513Dubois1,491
25ZIP 82727Rozet1,451
26ZIP 82514Fort Washakie1,410
27ZIP 82832Banner1,259
28ZIP 82510Arapahoe1,109
29ZIP 82649Shoshoni1,107
30ZIP 82523Pavillion993
31ZIP 82442Ten Sleep864
32ZIP 82932Farson828
33ZIP 82639Kaycee824
34ZIP 82923Boulder600
35ZIP 82515Hudson470
36ZIP 83115Daniel357
37ZIP 82922Bondurant328
38ZIP 82227Manville314
39ZIP 82512Crowheart304
40ZIP 82925Cora299
41ZIP 82516Kinnear283
42ZIP 82336Wamsutter251
43ZIP 82945Superior236
44ZIP 82620Alcova226
45ZIP 82938McKinnon226
46ZIP 82831Arvada216
47ZIP 82643Midwest205
48ZIP 82934Granger197
49ZIP 82222Lance Creek187
50ZIP 82322Bairoil162
51ZIP 82242Van Tassell157
52ZIP 82731Weston144
53ZIP 82635Edgerton116
54ZIP 82638Hiland115
55ZIP 82640Linch115
56ZIP 82648Powder River114
57ZIP 82725Recluse83
58ZIP 82229Shawnee70
59ZIP 82942Point Of Rocks68
60ZIP 82430Kirby62
61ZIP 82943Reliance61
62ZIP 82642Lysite51
63ZIP 82310Jeffrey City34
64ZIP 82646Natrona26
65ZIP 82929Little America21
66ZIP 82224Lost Springs2
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Frequently Asked Questions

How many ZIP codes are in the Casper-Riverton Area area? −
The Casper-Riverton Area metro area has 66 ZIP codes with population data.
ZIP code 82901 is the most populated ZIP code in the Casper-Riverton Area area based on 2022 estimates.
2026 zipdatamaps.com