STD Rates in Custer County, Montana
2023 CDC surveillance data for Custer County, Montana — chlamydia, gonorrhea, and syphilis rates with state comparisons.
Custer County has one of the higher STD burdens in Montana, with a combined rate of 417.1 per 100,000 residents in 2023 — ranking 10th of 51 counties. Reported infections included chlamydia at 408.8 per 100,000 (49 cases, 27% above the state rate), gonorrhea at 8.3 per 100,000 (1 case, too few for a reliable comparison). No syphilis cases were reported in Custer County in 2023. Many STDs show no symptoms, so testing is the only reliable way to know your status. Confidential options are available across Custer County.
STD Trends in Custer County, 2000–2023
Reported cases per 100,000 residents each year, against the Montana rate (dashed). In a county this size a handful of cases moves the rate a long way, so read the shape rather than any single year.
Source: CDC NCHHSTP AtlasPlus county surveillance, 2000–2023.
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Custer County vs Montana and the US
| Infection | Custer County | Montana | US | vs Montana | vs US | Rank in Montana |
|---|---|---|---|---|---|---|
| Chlamydia | 408.849 cases | 322.6 | 490.7 | 26.7% above | 16.7% below | 7th of 51 |
| Gonorrhea | 8.31 case | 67.7 | 178.2 | Too few cases | Too few cases | – |
| Syphilis (P&S) | 00 cases | 27.5 | 15.8 | Too few cases | Too few cases | – |
Rates per 100,000 residents, 2023. Ranks run from the highest rate (1st) among Montana’s counties. The US rate is all 50 states combined. Comparisons are left out where fewer than 20 cases were reported, because a rate built on so few cases can swing widely from one year to the next.
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