Environmental Justice Areas in Wyoming — 2026

Out of 171 ZIP codes with data in Wyoming, these are the highest-ranked areas for ej index. See also: National ZIP Codes with Highest Environmental Justice Concern | All Wyoming Rankings

Statistic	Value
ZIP codes ranked	171
Highest value	68/100
Median value	24/100
State	Wyoming

Top 100 Worst ZIP Codes

Rank	ZIP Code	City	State	EJ Index	Safety Score
1	82222	Lance Creek	WY	68/100	13/100
2	82301	Rawlins	WY	60/100	62/100
3	82321	Baggs	WY	60/100	30/100
4	82501	Riverton	WY	60/100	54/100
5	82523	Pavillion	WY	60/100	54/100
6	82945	Superior	WY	60/100	56/100
7	82082	Pine Bluffs	WY	58/100	61/100
8	82331	Saratoga	WY	58/100	65/100
9	82834	Buffalo	WY	58/100	63/100
10	82432	Manderson	WY	51/100	49/100
11	82001	Cheyenne	WY	50/100	34/100
12	82050	Albin	WY	50/100	49/100
13	82221	Lagrange	WY	50/100	40/100
14	82323	Dixon	WY	50/100	50/100
15	82635	Edgerton	WY	50/100	66/100
16	82901	Rock Springs	WY	50/100	64/100
17	82902	Rock Springs	WY	50/100	65/100
18	82932	Farson	WY	50/100	65/100
19	83101	Kemmerer	WY	50/100	36/100
20	83113	Big Piney	WY	50/100	61/100
21	83122	Grover	WY	50/100	60/100
22	82007	Cheyenne	WY	48/100	39/100
23	82644	Mills	WY	48/100	67/100
24	82201	Wheatland	WY	46/100	78/100
25	82431	Lovell	WY	46/100	57/100
26	82433	Meeteetse	WY	46/100	61/100
27	82934	Granger	WY	46/100	59/100
28	83114	Cokeville	WY	46/100	62/100
29	83127	Thayne	WY	46/100	67/100
30	82054	Carpenter	WY	45/100	65/100
31	82217	Hawk Springs	WY	44/100	40/100
32	82324	Elk Mountain	WY	44/100	69/100
33	82430	Kirby	WY	44/100	66/100
34	82514	Fort Washakie	WY	44/100	40/100
35	82712	Beulah	WY	44/100	45/100
36	82442	Ten Sleep	WY	43/100	68/100
37	82005	Fe Warren Afb	WY	40/100	40/100
38	82426	Greybull	WY	40/100	66/100
39	82701	Newcastle	WY	40/100	72/100
40	83123	La Barge	WY	40/100	60/100
41	82428	Hyattville	WY	39/100	66/100
42	82072	Laramie	WY	38/100	69/100
43	82329	Medicine Bow	WY	38/100	32/100
44	82513	Dubois	WY	38/100	66/100
45	82410	Basin	WY	36/100	69/100
46	82801	Sheridan	WY	36/100	43/100
47	82213	Glendo	WY	34/100	79/100
48	82240	Torrington	WY	34/100	56/100
49	82443	Thermopolis	WY	34/100	66/100
50	82723	Osage	WY	34/100	82/100
51	83110	Afton	WY	34/100	66/100
52	82227	Manville	WY	32/100	64/100
53	82325	Encampment	WY	32/100	66/100
54	82411	Burlington	WY	32/100	64/100
55	82510	Arapahoe	WY	32/100	40/100
56	82516	Kinnear	WY	32/100	40/100
57	82836	Dayton	WY	32/100	60/100
58	83112	Bedford	WY	32/100	64/100
59	83119	Fairview	WY	32/100	56/100
60	83128	Alpine	WY	32/100	58/100
61	82002	Cheyenne	WY	30/100	32/100
62	82003	Cheyenne	WY	30/100	44/100
63	82006	Cheyenne	WY	30/100	32/100
64	82008	Cheyenne	WY	30/100	32/100
65	82009	Cheyenne	WY	30/100	34/100
66	82010	Cheyenne	WY	30/100	32/100
67	82070	Laramie	WY	30/100	69/100
68	82210	Chugwater	WY	30/100	72/100
69	82310	Jeffrey City	WY	30/100	65/100
70	82401	Worland	WY	30/100	69/100
71	82601	Casper	WY	30/100	62/100
72	82710	Aladdin	WY	30/100	40/100
73	82838	Parkman	WY	30/100	40/100
74	83001	Jackson	WY	30/100	64/100
75	83002	Jackson	WY	30/100	65/100
76	83014	Wilson	WY	30/100	69/100
77	83116	Diamondville	WY	30/100	40/100
78	83120	Freedom	WY	30/100	69/100
79	82225	Lusk	WY	26/100	69/100
80	82930	Evanston	WY	26/100	69/100
81	82931	Evanston	WY	26/100	65/100
82	82421	Deaver	WY	25/100	66/100
83	82190	Yellowstone National Park	WY	24/100	66/100
84	82212	Fort Laramie	WY	24/100	66/100
85	82214	Guernsey	WY	24/100	80/100
86	82223	Lingle	WY	24/100	69/100
87	82322	Bairoil	WY	24/100	65/100
88	82520	Lander	WY	24/100	69/100
89	82721	Moorcroft	WY	24/100	61/100
90	82942	Point Of Rocks	WY	24/100	61/100
91	82083	Rock River	WY	22/100	64/100
92	82423	Frannie	WY	22/100	64/100
93	82649	Shoshoni	WY	22/100	64/100
94	82053	Burns	WY	20/100	70/100
95	82055	Centennial	WY	20/100	65/100
96	82063	Jelm	WY	20/100	40/100
97	82071	Laramie	WY	20/100	65/100
98	82073	Laramie	WY	20/100	65/100
99	82081	Meriden	WY	20/100	40/100
100	82224	Lost Springs	WY	20/100	40/100

Methodology

The Environmental Justice Index combines environmental risk factors (water violations, lead, flooding) with socioeconomic vulnerability indicators. Higher values indicate communities facing disproportionate environmental burden. This metric highlights areas where infrastructure investment and policy attention are most needed.

Data sources: EPA Safe Drinking Water Information System (SDWIS), FEMA National Flood Insurance Program, EPA radon zone maps, EIA electricity rates, and Consumer Confidence Reports. Last updated: 2026-06-04.

Frequently Asked Questions

What is the Environmental Justice Index?

The EJ Index identifies communities that face disproportionate environmental hazards relative to their socioeconomic resilience. Areas with high violation counts, aging infrastructure, AND vulnerable populations score highest. These areas need the most infrastructure investment.

Why does environmental justice matter for homebuyers?

High EJ Index areas often have deferred infrastructure maintenance, slower violation resolution, and less access to clean water alternatives. For homebuyers, this means potential hidden costs for water filtration, flood insurance, and home remediation.