STD Rates in Williams County, North Dakota

2023 CDC surveillance data for Williams County, North Dakota — chlamydia, gonorrhea, and syphilis rates with state comparisons.

Data Year: 2023 Source: CDC STI Surveillance Population: 39,113
Combined
386.1
per 100K
12th / 51
Chlamydia
306.8
per 100K • 120 cases
US rate: 490.7
14th of 51 in North Dakota
Higher than 54% of US counties
Gonorrhea
71.6
per 100K • 28 cases
US rate: 178.2
18th of 51 in North Dakota
Higher than 54% of US counties
Syphilis P&S
7.7
per 100K • 3 cases
Based on 3 cases — interpret with care
US rate: 15.8

Williams County has one of the higher STD burdens in North Dakota, with a combined rate of 386.1 per 100,000 residents in 2023 — ranking 12th of 51 counties. Reported infections included chlamydia at 306.8 per 100,000 (120 cases, 30% below the state rate), gonorrhea at 71.6 per 100,000 (28 cases, 51% below the state rate), syphilis at 7.7 per 100,000 (3 cases, too few for a reliable comparison). Confidential STD testing is available throughout Williams County — knowing your status is the only way to catch infections that often show no symptoms.

STD Trends in Williams County, 2000–2023

Reported cases per 100,000 residents each year, against the North Dakota 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
306.8
per 100K in 2023
0.0 in 2000
Peak 630.5 in 2019
Gonorrhea
71.6
per 100K in 2023
0.0 in 2000
Peak 157.9 in 2018
Syphilis (P&S)
7.7
per 100K in 2023
0.0 in 2000
Peak 10.4 in 2021

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

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Williams County vs North Dakota and the US

Infection Williams County North Dakota US vs North Dakota vs US Rank in North Dakota
Chlamydia 306.8120 cases 436.4 490.7 29.7% below 37.5% below 14th of 51
Gonorrhea 71.628 cases 147.2 178.2 51.4% below 59.8% below 18th of 51
Syphilis (P&S) 7.73 cases 12.4 15.8 Too few cases Too few cases –

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

Williams County ranks 12th of 51 North Dakota counties for combined STD rate in 2023, at 386.1 per 100,000 residents.
In 2023, chlamydia was the most frequently reported STD in Williams County, with 120 cases at a rate of 306.8 per 100,000 residents.
STDTest.com lists confidential testing locations across Williams County and North Dakota. 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.