STD Rates in Hampden County, Massachusetts

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

Data Year: 2023 Source: CDC STI Surveillance Population: 460,262
Combined
773.2
per 100K
2nd / 14
Chlamydia
572.5
per 100K • 2,635 cases
US rate: 490.7
2nd of 14 in Massachusetts
Higher than 83% of US counties
Gonorrhea
177.5
per 100K • 817 cases
US rate: 178.2
2nd of 14 in Massachusetts
Higher than 81% of US counties
Syphilis P&S
23.2
per 100K • 107 cases
US rate: 15.8
2nd of 14 in Massachusetts
Higher than 84% of US counties

Hampden County has one of the higher STD burdens in Massachusetts, with a combined rate of 773.2 per 100,000 residents in 2023 — ranking 2nd of 14 counties. Reported infections included chlamydia at 572.5 per 100,000 (2,635 cases, 39% above the state rate), gonorrhea at 177.5 per 100,000 (817 cases, 27% above the state rate), syphilis at 23.2 per 100,000 (107 cases, 119% above the state rate). Routine testing is the surest way to catch STDs early, since many produce no symptoms. Hampden County has confidential testing locations available.

STD Trends in Hampden County, 2000–2023

Reported cases per 100,000 residents each year, against the Massachusetts 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
572.5
per 100K in 2023
0.0 in 2000
Peak 617.7 in 2019
Gonorrhea
177.5
per 100K in 2023
0.0 in 2000
Peak 229.9 in 2021
Syphilis (P&S)
23.2
per 100K in 2023
1.5 in 2000
Peak 23.2 in 2023

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

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Hampden County vs Massachusetts and the US

Infection Hampden County Massachusetts US vs Massachusetts vs US Rank in Massachusetts
Chlamydia 572.52,635 cases 412.7 490.7 38.7% above 16.7% above 2nd of 14
Gonorrhea 177.5817 cases 139.8 178.2 27% above 0.4% below 2nd of 14
Syphilis (P&S) 23.2107 cases 10.6 15.8 118.9% above 46.8% above 2nd of 14

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

Hampden County ranks 2nd of 14 Massachusetts counties for combined STD rate in 2023, at 773.2 per 100,000 residents.
In 2023, chlamydia was the most frequently reported STD in Hampden County, with 2,635 cases at a rate of 572.5 per 100,000 residents.
STDTest.com lists confidential testing locations across Hampden County and Massachusetts. 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.