STD Rates in Sacramento County, California

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

Data Year: 2023 Source: CDC STI Surveillance Population: 1,584,165
Combined
679.2
per 100K
11th / 58
Chlamydia
461
per 100K • 7,303 cases
US rate: 490.7
16th of 58 in California
Higher than 75% of US counties
Gonorrhea
198.9
per 100K • 3,151 cases
US rate: 178.2
4th of 58 in California
Higher than 84% of US counties
Syphilis P&S
19.3
per 100K • 305 cases
US rate: 15.8
12th of 58 in California
Higher than 80% of US counties

Sacramento County has one of the higher STD burdens in California, with a combined rate of 679.2 per 100,000 residents in 2023 — ranking 11th of 58 counties. Reported infections included chlamydia at 461.0 per 100,000 (7,303 cases, 6% below the state rate), gonorrhea at 198.9 per 100,000 (3,151 cases, 5% above the state rate), syphilis at 19.3 per 100,000 (305 cases, 18% above the state rate). Routine testing is the surest way to catch STDs early, since many produce no symptoms. Sacramento County has confidential testing locations available.

STD Trends in Sacramento County, 2000–2023

Reported cases per 100,000 residents each year, against the California 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
461.0
per 100K in 2023
0.0 in 2000
Peak 744.6 in 2018
Gonorrhea
198.9
per 100K in 2023
0.0 in 2000
Peak 283.5 in 2020
Syphilis (P&S)
19.3
per 100K in 2023
0.1 in 2000
Peak 30.1 in 2021

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

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Sacramento County vs California and the US

Infection Sacramento County California US vs California vs US Rank in California
Chlamydia 4617,303 cases 491.1 490.7 6.1% below 6.1% below 16th of 58
Gonorrhea 198.93,151 cases 190.2 178.2 4.6% above 11.6% above 4th of 58
Syphilis (P&S) 19.3305 cases 16.3 15.8 18.4% above 22.2% above 12th of 58

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

Sacramento County ranks 11th of 58 California counties for combined STD rate in 2023, at 679.2 per 100,000 residents.
In 2023, chlamydia was the most frequently reported STD in Sacramento County, with 7,303 cases at a rate of 461.0 per 100,000 residents.
STDTest.com lists confidential testing locations across Sacramento County and California. 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.