STD Rates in Penobscot County, Maine
2023 CDC surveillance data for Penobscot County, Maine — chlamydia, gonorrhea, and syphilis rates with state comparisons.
Penobscot County reported a combined STD rate of 245.3 per 100,000 residents in 2023, placing it 5th of 16 Maine counties — in the upper half of the state. Reported infections included chlamydia at 208.0 per 100,000 (323 cases, 4% below the state rate), gonorrhea at 29.6 per 100,000 (46 cases, 33% below the state rate), syphilis at 7.7 per 100,000 (12 cases, too few for a reliable comparison). Routine testing is the surest way to catch STDs early, since many produce no symptoms. Penobscot County has confidential testing locations available.
STD Trends in Penobscot County, 2000–2023
Reported cases per 100,000 residents each year, against the Maine 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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Penobscot County vs Maine and the US
| Infection | Penobscot County | Maine | US | vs Maine | vs US | Rank in Maine |
|---|---|---|---|---|---|---|
| Chlamydia | 208323 cases | 217.4 | 490.7 | 4.3% below | 57.6% below | 4th of 16 |
| Gonorrhea | 29.646 cases | 44.4 | 178.2 | 33.3% below | 83.4% below | 8th of 16 |
| Syphilis (P&S) | 7.712 cases | 5.3 | 15.8 | Too few cases | Too few cases | – |
Rates per 100,000 residents, 2023. Ranks run from the highest rate (1st) among Maine’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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