Most populous ZIP codes in Wyoming
Top 25 most populous ZIP codes in Wyoming. #1 is 82001 (Cheyenne) with about 37,955 residents. Compare population, income, and housing on US5.
These ZIP codes have the largest populations in Wyoming. Population totals are aggregated from published ZIP-area Census estimates on US5.
The largest codes are 82001 (Cheyenne) with about 37,955 residents; 82009 (Ranchettes) with about 35,355 residents; 82604 (Casper) with about 27,584 residents.
Open any ZIP for a full demographics, income, and housing profile, or return to the Wyoming state page for the complete ZIP table.
Ranked ZIP codes
| # | ZIP | City | County | Population | Population | Income | Home value |
|---|---|---|---|---|---|---|---|
| 1 | 82001 | Cheyenne | Laramie County | 37,955 | 37,955 | $74,149 | $291,400 |
| 2 | 82009 | Ranchettes | Laramie County | 35,355 | 35,355 | $102,727 | $415,000 |
| 3 | 82604 | Casper | Natrona County | 27,584 | 27,584 | $75,683 | $270,800 |
| 4 | 82901 | Rock Springs | Sweetwater County | 27,471 | 27,471 | $74,107 | $238,800 |
| 5 | 82601 | Casper Mountain | Natrona County | 26,945 | 26,945 | $68,526 | $244,200 |
| 6 | 82718 | Gillette | Campbell County | 26,197 | 26,197 | $104,454 | $289,900 |
| 7 | 82801 | Sheridan | Sheridan County | 25,727 | 25,727 | $70,315 | $339,500 |
| 8 | 82007 | Cheyenne | Laramie County | 21,800 | 21,800 | $55,461 | $218,400 |
| 9 | 82070 | Laramie | Albany County | 20,149 | 20,149 | $65,399 | $325,500 |
| 10 | 82501 | Arapahoe | Fremont County | 18,946 | 18,946 | $62,456 | $226,400 |
| 11 | 82609 | Casper | Natrona County | 18,759 | 18,759 | $70,902 | $280,800 |
| 12 | 83001 | Hoback | Teton County | 17,458 | 17,458 | $114,402 | $1,369,000 |
| 13 | 82716 | Gillette | Campbell County | 17,091 | 17,091 | $77,169 | $234,700 |
| 14 | 82072 | Laramie | Albany County | 16,438 | 16,438 | $52,717 | $313,300 |
| 15 | 82414 | Cody | Park County | 16,381 | 16,381 | $74,069 | $421,100 |
| 16 | 82520 | Boulder Flats | Fremont County | 13,385 | 13,385 | $75,000 | $318,300 |
| 17 | 82435 | Ralston | Park County | 12,259 | 12,259 | $69,142 | $318,200 |
| 18 | 82935 | Green River | Sweetwater County | 12,135 | 12,135 | $86,132 | $254,800 |
| 19 | 82240 | Torrington | Goshen County | 9,547 | 9,547 | $65,568 | $233,900 |
| 20 | 82633 | Douglas | Converse County | 9,511 | 9,511 | $81,467 | $274,200 |
| 21 | 82301 | Rawlins | Carbon County | 8,267 | 8,267 | $68,925 | $208,000 |
| 22 | 82834 | Buffalo | Johnson County | 7,699 | 7,699 | $63,128 | $297,000 |
| 23 | 82401 | Worland | Washakie County | 7,053 | 7,053 | $63,342 | $186,600 |
| 24 | 82201 | Slater | Platte County | 6,615 | 6,615 | $65,900 | $250,200 |
| 25 | 82701 | Newcastle | Weston County | 5,411 | 5,411 | $88,843 | $218,400 |
Frequently asked questions
What are the most populous ZIP codes in Wyoming?
The largest ZIP on this board is 82001 (Cheyenne) with about 37,955 residents. See the ranked table for the full top 25.
How does US5 rank ZIP codes in Wyoming?
We rank indexable ZIP codes by population from high to low.
Where can I explore all ZIP codes in Wyoming?
Visit the Wyoming state page for the full ZIP table, demographics summary, and sortable income/housing columns.