STD Rates in Dekalb County, Indiana

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

Data Year: 2023 Source: CDC STI Surveillance Population: 44,201
Combined
316.8
per 100K
43rd / 92
Chlamydia
264.7
per 100K • 117 cases
US rate: 490.7
43rd of 92 in Indiana
Higher than 46% of US counties
Gonorrhea
45.3
per 100K • 20 cases
US rate: 178.2
49th of 92 in Indiana
Higher than 37% of US counties
Syphilis P&S
6.8
per 100K • 3 cases
Based on 3 cases — interpret with care
US rate: 15.8

Dekalb County reported a combined STD rate of 316.8 per 100,000 residents in 2023, placing it 43rd of 92 Indiana counties — in the upper half of the state. Reported infections included chlamydia at 264.7 per 100,000 (117 cases, 46% below the state rate), gonorrhea at 45.3 per 100,000 (20 cases, 69% below the state rate), syphilis at 6.8 per 100,000 (3 cases, too few for a reliable comparison). Many STDs show no symptoms, so testing is the only reliable way to know your status. Confidential options are available across Dekalb County.

STD Trends in Dekalb County, 2000–2023

Reported cases per 100,000 residents each year, against the Indiana 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
264.7
per 100K in 2023
0.0 in 2000
Peak 339.2 in 2021
Gonorrhea
45.3
per 100K in 2023
0.0 in 2000
Peak 108.6 in 2020
Syphilis (P&S)
6.8
per 100K in 2023
0.0 in 2000
Peak 6.8 in 2023

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

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Dekalb County vs Indiana and the US

Infection Dekalb County Indiana US vs Indiana vs US Rank in Indiana
Chlamydia 264.7117 cases 491 490.7 46.1% below 46.1% below 43rd of 92
Gonorrhea 45.320 cases 144 178.2 68.5% below 74.6% below 49th of 92
Syphilis (P&S) 6.83 cases 8.7 15.8 Too few cases Too few cases –

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

Dekalb County ranks 43rd of 92 Indiana counties for combined STD rate in 2023, at 316.8 per 100,000 residents.
In 2023, chlamydia was the most frequently reported STD in Dekalb County, with 117 cases at a rate of 264.7 per 100,000 residents.
STDTest.com lists confidential testing locations across Dekalb County and Indiana. 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.