STD Rates in Blaine County, Idaho

2023 CDC surveillance data for Blaine County, Idaho — chlamydia, gonorrhea, and syphilis rates with state comparisons.

Data Year: 2023 Source: CDC STI Surveillance Population: 25,039
Combined
267.6
per 100K
15th / 43
Chlamydia
255.6
per 100K • 64 cases
US rate: 490.7
14th of 43 in Idaho
Higher than 44% of US counties
Gonorrhea
8
per 100K • 2 cases
Based on 2 cases — interpret with care
US rate: 178.2
Syphilis P&S
4
per 100K • 1 cases
Based on 1 case — interpret with care
US rate: 15.8

Blaine County reported a combined STD rate of 267.6 per 100,000 residents in 2023, placing it 15th of 43 Idaho counties — in the upper half of the state. Reported infections included chlamydia at 255.6 per 100,000 (64 cases, 13% below the state rate), gonorrhea at 8.0 per 100,000 (2 cases, too few for a reliable comparison), syphilis at 4.0 per 100,000 (1 case, too few for a reliable comparison). Confidential STD testing is available throughout Blaine County — knowing your status is the only way to catch infections that often show no symptoms.

STD Trends in Blaine County, 2000–2023

Reported cases per 100,000 residents each year, against the Idaho 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.

Chlamydia
255.6
per 100K in 2023
36.6 in 2000
Peak 294.2 in 2018
Gonorrhea
8.0
per 100K in 2023
5.2 in 2000
Peak 49.4 in 2020
Syphilis (P&S)
4.0
per 100K in 2023
0.0 in 2000
Peak 4.7 in 2014

Source: CDC NCHHSTP AtlasPlus county surveillance, 2000–2023.

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Blaine County vs Idaho and the US

Infection Blaine County Idaho US vs Idaho vs US Rank in Idaho
Chlamydia 255.664 cases 294.9 490.7 13.3% below 47.9% below 14th of 43
Gonorrhea 82 cases 39.6 178.2 Too few cases Too few cases –
Syphilis (P&S) 41 case 3.8 15.8 Too few cases Too few cases –

Rates per 100,000 residents, 2023. Ranks run from the highest rate (1st) among Idaho’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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FAQs

Blaine County ranks 15th of 43 Idaho counties for combined STD rate in 2023, at 267.6 per 100,000 residents.
In 2023, chlamydia was the most frequently reported STD in Blaine County, with 64 cases at a rate of 255.6 per 100,000 residents.
STDTest.com lists confidential testing locations across Blaine County and Idaho. Many offer same-day appointments with results in 1–3 days.
Data sourced from the CDC's annual STI Surveillance Report. Rates are per 100,000 population and reflect reported cases only — actual prevalence is likely higher due to undiagnosed infections. While we strive for accuracy, STDTest.com makes no representations or warranties regarding the completeness or accuracy of this data and is not responsible for any errors or omissions. This page is for informational purposes only and does not constitute medical advice.