STD Rates in Lee County, Iowa

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

Data Year: 2023 Source: CDC STI Surveillance Population: 32,560
Combined
371.6
per 100K
28th / 99
Chlamydia
288.7
per 100K • 94 cases
US rate: 490.7
33rd of 99 in Iowa
Higher than 51% of US counties
Gonorrhea
79.8
per 100K • 26 cases
US rate: 178.2
21st of 99 in Iowa
Higher than 58% of US counties
Syphilis P&S
3.1
per 100K • 1 cases
Based on 1 case — interpret with care
US rate: 15.8

Lee County reported a combined STD rate of 371.6 per 100,000 residents in 2023, placing it 28th of 99 Iowa counties — in the upper half of the state. Reported infections included chlamydia at 288.7 per 100,000 (94 cases, 32% below the state rate), gonorrhea at 79.8 per 100,000 (26 cases, 32% below the state rate), syphilis at 3.1 per 100,000 (1 case, 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 Lee County.

STD Trends in Lee 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
288.7
per 100K in 2023
195.1 in 2000
Peak 458.9 in 2020
Gonorrhea
79.8
per 100K in 2023
18.5 in 2000
Peak 195.7 in 2021
Syphilis (P&S)
3.1
per 100K in 2023
0.0 in 2000
Peak 3.1 in 2023

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

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Lee County vs Iowa and the US

Infection Lee County Iowa US vs Iowa vs US Rank in Iowa
Chlamydia 288.794 cases 426.8 490.7 32.4% below 41.2% below 33rd of 99
Gonorrhea 79.826 cases 116.8 178.2 31.7% below 55.2% below 21st of 99
Syphilis (P&S) 3.11 case 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

Lee County ranks 28th of 99 Iowa counties for combined STD rate in 2023, at 371.6 per 100,000 residents.
In 2023, chlamydia was the most frequently reported STD in Lee County, with 94 cases at a rate of 288.7 per 100,000 residents.
STDTest.com lists confidential testing locations across Lee 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.