STD Rates in Big Horn County, Wyoming

2023 CDC surveillance data for Big Horn County, Wyoming — chlamydia, gonorrhea, and syphilis rates with state comparisons.

Data Year: 2023 Source: CDC STI Surveillance Population: 12,020
Combined
232.9
per 100K
13th / 22
Chlamydia
216.3
per 100K • 26 cases
US rate: 490.7
13th of 22 in Wyoming
Higher than 33% of US counties
Gonorrhea
16.6
per 100K • 2 cases
Based on 2 cases — interpret with care
US rate: 178.2
Syphilis P&S
0.0
No cases reported

Big Horn County recorded a combined STD rate of 232.9 per 100,000 residents in 2023, ranking 13th of 22 counties in Wyoming. Reported infections included chlamydia at 216.3 per 100,000 (26 cases, 31% below the state rate), gonorrhea at 16.6 per 100,000 (2 cases, too few for a reliable comparison). No syphilis cases were reported in Big Horn County in 2023. Many STDs show no symptoms, so testing is the only reliable way to know your status. Confidential options are available across Big Horn County.

STD Trends in Big Horn County, 2000–2023

Reported cases per 100,000 residents each year, against the Wyoming 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
216.3
per 100K in 2023
70.2 in 2000
Peak 219.4 in 2014
Gonorrhea
16.6
per 100K in 2023
8.8 in 2000
Peak 25.8 in 2021
Syphilis (P&S)
0.0
per 100K in 2023
0.0 in 2000
Peak 8.4 in 2022

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

Know your status — get tested today

Same-day testing at 4,500+ locations. No appointment needed. Results in 1–3 days.

Big Horn County vs Wyoming and the US

Infection Big Horn County Wyoming US vs Wyoming vs US Rank in Wyoming
Chlamydia 216.326 cases 313.2 490.7 30.9% below 55.9% below 13th of 22
Gonorrhea 16.62 cases 42.3 178.2 Too few cases Too few cases
Syphilis (P&S) 00 cases 2.2 15.8 Too few cases Too few cases

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

Find a clinic near you

4,500+ testing locations nationwide. 100% confidential. Most insurance accepted.

FAQs

Big Horn County ranks 13th of 22 Wyoming counties for combined STD rate in 2023, at 232.9 per 100,000 residents.
In 2023, chlamydia was the most frequently reported STD in Big Horn County, with 26 cases at a rate of 216.3 per 100,000 residents.
STDTest.com lists confidential testing locations across Big Horn County and Wyoming. 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.