STD Rates in Broomfield County, Colorado
2023 CDC surveillance data for Broomfield County, Colorado — chlamydia, gonorrhea, and syphilis rates with state comparisons.
Broomfield County reported a combined STD rate of 363.0 per 100,000 residents in 2023, placing it 24th of 61 Colorado counties — in the upper half of the state. Reported infections included chlamydia at 274.5 per 100,000 (211 cases, 37% below the state rate), gonorrhea at 84.6 per 100,000 (65 cases, 34% below the state rate), syphilis at 3.9 per 100,000 (3 cases, too few for a reliable comparison). Confidential STD testing is available throughout Broomfield County — knowing your status is the only way to catch infections that often show no symptoms.
STD Trends in Broomfield County, 2000–2023
Reported cases per 100,000 residents each year, against the Colorado 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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Broomfield County vs Colorado and the US
| Infection | Broomfield County | Colorado | US | vs Colorado | vs US | Rank in Colorado |
|---|---|---|---|---|---|---|
| Chlamydia | 274.5211 cases | 435.1 | 490.7 | 36.9% below | 44.1% below | 28th of 61 |
| Gonorrhea | 84.665 cases | 128.7 | 178.2 | 34.3% below | 52.5% below | 10th of 61 |
| Syphilis (P&S) | 3.93 cases | 16 | 15.8 | Too few cases | Too few cases | – |
Rates per 100,000 residents, 2023. Ranks run from the highest rate (1st) among Colorado’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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