STD Rates in Benton County, Iowa

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

Data Year: 2023 Source: CDC STI Surveillance Population: 25,794
Combined
240.4
per 100K
57th / 99
Chlamydia
201.6
per 100K • 52 cases
US rate: 490.7
61st of 99 in Iowa
Higher than 29% of US counties
Gonorrhea
38.8
per 100K • 10 cases
Based on 10 cases — interpret with care
US rate: 178.2
Syphilis P&S
0.0
No cases reported

Benton County recorded a combined STD rate of 240.4 per 100,000 residents in 2023, ranking 57th of 99 counties in Iowa. Reported infections included chlamydia at 201.6 per 100,000 (52 cases, 53% below the state rate), gonorrhea at 38.8 per 100,000 (10 cases, too few for a reliable comparison). No syphilis cases were reported in Benton County in 2023. Confidential STD testing is available throughout Benton County — knowing your status is the only way to catch infections that often show no symptoms.

STD Trends in Benton County, 2000–2023

Reported cases per 100,000 residents each year, against the Iowa 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
201.6
per 100K in 2023
94.8 in 2000
Peak 303.6 in 2021
Gonorrhea
38.8
per 100K in 2023
11.9 in 2000
Peak 85.6 in 2021
Syphilis (P&S)
0.0
per 100K in 2023
0.0 in 2000
Peak 3.9 in 2017

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

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Benton County vs Iowa and the US

Infection Benton County Iowa US vs Iowa vs US Rank in Iowa
Chlamydia 201.652 cases 426.8 490.7 52.8% below 58.9% below 61st of 99
Gonorrhea 38.810 cases 116.8 178.2 Too few cases Too few cases –
Syphilis (P&S) 00 cases 10.3 15.8 Too few cases Too few cases –

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

Benton County ranks 57th of 99 Iowa counties for combined STD rate in 2023, at 240.4 per 100,000 residents.
In 2023, chlamydia was the most frequently reported STD in Benton County, with 52 cases at a rate of 201.6 per 100,000 residents.
STDTest.com lists confidential testing locations across Benton County and Iowa. 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.