CDC data to 7 Nov 2026 (week 44) · provisional · updates weekly
As of the week ending 7 November 2026, Colorado has reported 45 mpox (monkeypox) cases in 2026, compared with 21 by the same point in 2025 and 24 in all of 2025. That ranks 8th among US states and territories, or 7.7 cases per million residents. In the last 8 weeks 11 cases were added, against 23 in the 8 weeks before.
Weekly mpox cases: Colorado
Cases added each week, 2025–2026 (CDC, provisional)
Weekly mpox cases in Colorado.
US mpox cases by state
1,500 cases in 2026 so far vs 2,128 by this point in 2025
| State | 2026 to date | Per 1M | 2025 same period | Latest week |
|---|---|---|---|---|
| California | 513 | 13.1 | 352 | 21 |
| New York | 220 | 11.1 | 379 | 9 |
| Florida | 116 | 5.3 | 92 | 2 |
| Massachusetts | 53 | 7.6 | 47 | 0 |
| Nevada | 51 | 16.2 | 6 | 3 |
| Arizona | 49 | 6.7 | 0 | 4 |
| Illinois | 46 | 3.6 | 202 | 6 |
| Colorado | 45 | 7.7 | 21 | 1 |
| Ohio | 35 | 3.0 | 23 | 0 |
| Texas | 33 | 1.1 | 260 | 1 |
| Georgia | 27 | 2.5 | 103 | 0 |
| Rhode Island | 27 | 24.6 | 5 | 3 |
| Minnesota | 25 | 4.4 | 18 | 0 |
| Pennsylvania | 25 | 1.9 | 45 | 6 |
| New Jersey | 23 | 2.5 | 30 | 0 |
| Maryland | 22 | 3.6 | 69 | 0 |
| Virginia | 20 | 2.3 | 32 | 1 |
| North Carolina | 18 | 1.7 | 34 | 0 |
| Connecticut | 15 | 4.2 | 13 | 1 |
| Kentucky | 12 | 2.7 | 10 | 2 |
| Tennessee | 11 | 1.6 | 48 | 0 |
| Indiana | 10 | 1.5 | 10 | 0 |
| Oregon | 10 | 2.4 | 19 | 0 |
| Washington | 10 | 1.3 | 123 | 0 |
| South Carolina | 9 | 1.7 | 12 | 5 |
| Wisconsin | 7 | 1.2 | 6 | 1 |
| Maine | 6 | 4.4 | 0 | 0 |
| Missouri | 6 | 1.0 | 13 | 0 |
| Alabama | 5 | 1.0 | 15 | 0 |
| Michigan | 4 | 0.4 | 20 | 0 |
| New Mexico | 4 | 1.9 | 2 | 0 |
| Utah | 4 | 1.2 | 1 | 0 |
| Idaho | 3 | 1.6 | 2 | 0 |
| Puerto Rico | 3 | 0.9 | 9 | 0 |
| Mississippi | 2 | 0.7 | 0 | 0 |
| Oklahoma | 2 | 0.5 | 8 | 0 |
| Alaska | 1 | 1.4 | 1 | 0 |
| Kansas | 1 | 0.3 | 2 | 0 |
| Montana | 1 | 0.9 | 0 | 0 |
| New Hampshire | 1 | 0.7 | 4 | 0 |
| Arkansas | 0 | 0.0 | 0 | 0 |
| Delaware | 0 | 0.0 | 0 | 0 |
| District Of Columbia | 0 | 0.0 | 0 | 0 |
| Hawaii | 0 | 0.0 | 1 | 0 |
| Iowa | 0 | 0.0 | 2 | 0 |
| Louisiana | 0 | 0.0 | 43 | 0 |
| Nebraska | 0 | 0.0 | 1 | 0 |
| North Dakota | 0 | 0.0 | 0 | 0 |
| South Dakota | 0 | 0.0 | 0 | 0 |
| Vermont | 0 | 0.0 | 1 | 0 |
| West Virginia | 0 | 0.0 | 1 | 0 |
| Wyoming | 0 | 0.0 | 0 | 0 |
Mpox in Colorado: frequently asked questions
How many mpox cases are there in Colorado in 2026?
Colorado has reported 45 mpox cases in 2026 as of the week ending 7 November 2026, according to provisional CDC data, 114% more than the 21 reported by the same point in 2025.
Are mpox cases rising in Colorado?
11 cases were added in the last 8 weeks, down from 23 in the previous 8 weeks. The weekly chart on this page shows the full trend since January 2025.
How many mpox cases were there in Colorado in 2025?
Colorado reported 24 mpox cases in 2025 (CDC provisional year-end total).
How does Colorado compare with other states?
Colorado ranks 8th of 52 US states and territories by mpox cases in 2026, with 7.7 cases per million residents against a national rate of about 4.4. The United States as a whole has reported 1,500 cases in 2026.
Where can I get an mpox vaccine in Colorado?
The JYNNEOS (MVA-BN) vaccine is available in the US through many doctors, pharmacies, sexual health clinics and local health departments. It is given as two doses four weeks apart. Contact your healthcare provider or the Colorado health department to find a location near you.
Where does the Colorado mpox data come from?
Figures come from the CDC National Notifiable Diseases Surveillance System (NNDSS) weekly tables and are provisional: cases can be added later as reports arrive. This page checks for new data every 2 hours.