STD Rates in Jasper County, Iowa

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

Data Year: 2023 Source: CDC STI Surveillance Population: 37,924
Combined
292.7
per 100K
44th / 99
Chlamydia
250.5
per 100K • 95 cases
US rate: 490.7
43rd of 99 in Iowa
Higher than 42% of US counties
Gonorrhea
39.6
per 100K • 15 cases
Based on 15 cases — interpret with care
US rate: 178.2
Syphilis P&S
2.6
per 100K • 1 cases
Based on 1 case — interpret with care
US rate: 15.8

Jasper County reported a combined STD rate of 292.7 per 100,000 residents in 2023, placing it 44th of 99 Iowa counties — in the upper half of the state. Reported infections included chlamydia at 250.5 per 100,000 (95 cases, 41% below the state rate), gonorrhea at 39.6 per 100,000 (15 cases, too few for a reliable comparison), syphilis at 2.6 per 100,000 (1 case, too few for a reliable comparison). Routine testing is the surest way to catch STDs early, since many produce no symptoms. Jasper County has confidential testing locations available.

STD Trends in Jasper 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
250.5
per 100K in 2023
69.8 in 2000
Peak 349.6 in 2019
Gonorrhea
39.6
per 100K in 2023
2.7 in 2000
Peak 132.2 in 2020
Syphilis (P&S)
2.6
per 100K in 2023
0.0 in 2000
Peak 21.8 in 2016

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

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Jasper County vs Iowa and the US

Infection Jasper County Iowa US vs Iowa vs US Rank in Iowa
Chlamydia 250.595 cases 426.8 490.7 41.3% below 49% below 43rd of 99
Gonorrhea 39.615 cases 116.8 178.2 Too few cases Too few cases –
Syphilis (P&S) 2.61 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

Jasper County ranks 44th of 99 Iowa counties for combined STD rate in 2023, at 292.7 per 100,000 residents.
In 2023, chlamydia was the most frequently reported STD in Jasper County, with 95 cases at a rate of 250.5 per 100,000 residents.
STDTest.com lists confidential testing locations across Jasper 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.