STD Rates in Washoe County, Nevada

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

Data Year: 2023 Source: CDC STI Surveillance Population: 498,049
Combined
613
per 100K
2nd / 16
Chlamydia
461.4
per 100K • 2,298 cases
US rate: 490.7
2nd of 16 in Nevada
Higher than 75% of US counties
Gonorrhea
121.9
per 100K • 607 cases
US rate: 178.2
2nd of 16 in Nevada
Higher than 71% of US counties
Syphilis P&S
29.7
per 100K • 148 cases
US rate: 15.8
1st of 16 in Nevada
Higher than 89% of US counties

Washoe County has one of the higher STD burdens in Nevada, with a combined rate of 613.0 per 100,000 residents in 2023 — ranking 2nd of 16 counties. Reported infections included chlamydia at 461.4 per 100,000 (2,298 cases, 7% below the state rate), gonorrhea at 121.9 per 100,000 (607 cases, 40% below the state rate), syphilis at 29.7 per 100,000 (148 cases, 31% above the state rate). Routine testing is the surest way to catch STDs early, since many produce no symptoms. Washoe County has confidential testing locations available.

STD Trends in Washoe County, 2000–2023

Reported cases per 100,000 residents each year, against the Nevada 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
461.4
per 100K in 2023
280.6 in 2000
Peak 572.0 in 2018
Gonorrhea
121.9
per 100K in 2023
55.4 in 2000
Peak 231.2 in 2020
Syphilis (P&S)
29.7
per 100K in 2023
0.3 in 2000
Peak 34.4 in 2019

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

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Washoe County vs Nevada and the US

Infection Washoe County Nevada US vs Nevada vs US Rank in Nevada
Chlamydia 461.42,298 cases 493.6 490.7 6.5% below 6% below 2nd of 16
Gonorrhea 121.9607 cases 204.7 178.2 40.4% below 31.6% below 2nd of 16
Syphilis (P&S) 29.7148 cases 22.7 15.8 30.8% above 88% above 1st of 16

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

Washoe County ranks 2nd of 16 Nevada counties for combined STD rate in 2023, at 613.0 per 100,000 residents.
In 2023, chlamydia was the most frequently reported STD in Washoe County, with 2,298 cases at a rate of 461.4 per 100,000 residents.
STDTest.com lists confidential testing locations across Washoe County and Nevada. 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.