STD Rates in Mountrail County, North Dakota

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

Data Year: 2023 Source: CDC STI Surveillance Population: 9,383
Combined
1001.8
per 100K
5th / 51
Chlamydia
650.1
per 100K • 61 cases
US rate: 490.7
6th of 51 in North Dakota
Higher than 88% of US counties
Gonorrhea
234.5
per 100K • 22 cases
US rate: 178.2
5th of 51 in North Dakota
Higher than 87% of US counties
Syphilis P&S
117.2
per 100K • 11 cases
Based on 11 cases — interpret with care
US rate: 15.8

Mountrail County has one of the higher STD burdens in North Dakota, with a combined rate of 1,001.8 per 100,000 residents in 2023 — ranking 5th of 51 counties. Reported infections included chlamydia at 650.1 per 100,000 (61 cases, 49% above the state rate), gonorrhea at 234.5 per 100,000 (22 cases, 59% above the state rate), syphilis at 117.2 per 100,000 (11 cases, too few for a reliable comparison). Routine testing is the surest way to catch STDs early, since many produce no symptoms. Mountrail County has confidential testing locations available.

STD Trends in Mountrail 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
650.1
per 100K in 2023
0.0 in 2000
Peak 1,060.3 in 2020
Gonorrhea
234.5
per 100K in 2023
0.0 in 2000
Peak 570.9 in 2020
Syphilis (P&S)
117.2
per 100K in 2023
0.0 in 2000
Peak 117.2 in 2023

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

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Mountrail County vs North Dakota and the US

Infection Mountrail County North Dakota US vs North Dakota vs US Rank in North Dakota
Chlamydia 650.161 cases 436.4 490.7 49% above 32.5% above 6th of 51
Gonorrhea 234.522 cases 147.2 178.2 59.3% above 31.6% above 5th of 51
Syphilis (P&S) 117.211 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

Mountrail County ranks 5th of 51 North Dakota counties for combined STD rate in 2023, at 1,001.8 per 100,000 residents.
In 2023, chlamydia was the most frequently reported STD in Mountrail County, with 61 cases at a rate of 650.1 per 100,000 residents.
STDTest.com lists confidential testing locations across Mountrail 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.