Health Profile of Middlesex County, New Jersey
Middlesex County Health Score
The Map AI Health Index is a score that reflects local life expectancy, disease rates, healthcare access, and physical environment to help you quickly compare the overall health and well-being of different areas.
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A
Middlesex County Above averageAmong the top 5 healthiest counties in New Jersey
Source: Map AI Methodology
General Health Overview
| Metric | Middlesex County | New Jersey Avg | US Average |
|---|---|---|---|
| Life Expectancy (years) | 80.7 | 79.4 | 78.3 |
| Uninsured Population (%) | 7.2% | 7.5% | 8.4% |
| Self-Rated Poor Health | 11.0% | 12.9% | 16.3% |
Life expectancy in Middlesex County is 80.7 years, about 1.3 years longer than the New Jersey average of 79.4 years. The uninsured rate is 7.2%, lower than the New Jersey average of 7.5%. Self-rated poor health is reported by 11.0% of residents, lower than the New Jersey average of 12.9%.
Population by Age
Older residents
296,583 residents in Middlesex County are age 50 or older.
- 85+ 15,607 4,956 men · 10,651 women
- 75–84 39,226 16,806 men · 22,420 women
- 65–74 72,332 33,483 men · 38,849 women
- 50–64 169,418 84,072 men · 85,346 women
Younger residents
181,452 residents in Middlesex County are age 17 or younger.
- 12–17 58,198 29,346 boys · 28,851 girls
- 7–12 54,513 28,127 boys · 26,386 girls
- 3–7 40,096 20,844 boys · 19,252 girls
- 0–3 28,645 14,720 boys · 13,925 girls
About 29,761 residents in Middlesex County (3.4% of the population) are older than the area's life expectancy of 80.7 years.
The highlighted slice of the age axis is the share of residents older than the life-expectancy mark.
Disease Prevalence
| Disease / Condition | Middlesex County | New Jersey Avg | US Average |
|---|---|---|---|
| Diabetes | 8.8% | 9.6% | 11.3% |
| Cancer | 5.6% | 6.3% | 6.9% |
| Heart Diseases | 5.3% | 5.8% | 7.1% |
| Adult Obesity | 23.7% | 28.9% | 34.3% |
The rate of obesity in Middlesex County is about 18% lower than in New Jersey.
Health Behaviors
| Behavior | Middlesex County | New Jersey Avg | US Average |
|---|---|---|---|
| Smokers | 11.8% | 14.2% | 19.0% |
| Binge Drinking | 16.9% | 17.2% | 16.5% |
| Sedentary Lifestyle | 20.1% | 21.9% | 25.1% |
The rate of smoking in Middlesex County is about 17% lower than in New Jersey.
Assuming each smoker smokes 10 cigarettes a day, that's about 804,783 cigarettes a day, 24.1 million a month, or 293.7 million a year! At 11 minutes* of life lost per cigarette, that's about 8.9 million minutes a day and 3.2 billion a year lost to smoking overall - and since life expectancy in Middlesex County is 80.7 years, that's roughly equivalent to 0.21 lifetimes a day, or 76 lifetimes a year.
* Source: Shaw M, Mitchell R, Dorling D. "Time for a smoke? One cigarette reduces your life by 11 minutes." BMJ. 2000;320:53.
Illustrative only. This is not an estimate of how many people actually die from smoking each day or year - it's a rough, order-of-magnitude comparison meant to help grasp the scale of smoking in this area. We take no responsibility for any decisions made based on this figure.
Air Quality
| Metric | Middlesex County | New Jersey Avg | US Average |
|---|---|---|---|
| Air Pollution (μg/m³) | 6.82 | 6.82 | 6.09 |
With an annual average of 6.8 µg/m³ of fine particulate matter (PM2.5), air quality in Middlesex County is good — generally safe air quality for the vast majority of residents.
Middlesex County, NJ Health Compared With Nearby Counties
Middlesex County, NJ is the largest of the 6 counties compared here, 870,701 residents against a local median of 494,794. The measure that sets Middlesex County, NJ apart most is uninsured: 7.2%, 33% above the local median of 5.4%. That is the weaker end of the local range on this measure.
Obesity tells the same story from another angle: 23.7% against a local median of 30.0%, 21% below it. The picture is mixed rather than uniform: obesity runs ahead of the neighbourhood while uninsured runs behind it, so Middlesex County, NJ is trading one against the other rather than simply out-performing what surrounds it. The counties themselves spread 8.8% on uninsured, so Middlesex County, NJ sits at one end of an already wide local range rather than apart from it. Middlesex County, NJ has the 4th lowest uninsured of the 6 areas compared here.
| Area | Population | Life expectancy | Uninsured | Obesity |
|---|---|---|---|---|
| Middlesex County, NJ | 870,701 | 80.7 yrs #2/6 | 7.2% #4/6 | 23.7% #2/6 |
| Somerset County, NJ | 349,714 | 81.8 yrs | 5.4% | 25.5% |
| Union County, NJ | 578,268 | 80.2 yrs | 13.0% | 30.3% |
| Monmouth County, NJ | 645,196 | 79.8 yrs | 5.3% | 22.6% |
| Richmond County, NY | 494,794 | 79.6 yrs | 4.1% | 30.0% |
| Mercer County, NJ | 385,681 | 78.9 yrs | 7.9% | 30.9% |
Conclusion
Considering all these factors, Middlesex County, New Jersey has an overall health index grade of A, making it somewhat better than New Jersey, and notably better than the country as a whole.
Frequently Asked Questions
Common questions about health in Middlesex County, New Jersey.
Is Middlesex County, New Jersey a healthy place to live?
Middlesex County, New Jersey has a Map AI Health Index grade of A, based on life expectancy, disease rates, healthcare access, and the physical environment; an A grade means residents are much healthier than the U.S. average.
Is Middlesex County, New Jersey one of the healthiest counties in New Jersey?
Middlesex County ranks 5th healthiest out of 21 counties in New Jersey by the Map AI Health Index, which measures life expectancy, disease rates, healthcare access, and the physical environment.
How long do people live in Middlesex County, New Jersey?
People in Middlesex County, New Jersey can expect to live 80.7 years on average, 1.3 years longer than the New Jersey average of 79.4.
How many people lack health insurance in Middlesex County, New Jersey?
7.2% of residents in Middlesex County, New Jersey have no health insurance, about 1 in 14 people, about the same as the New Jersey rate of 7.5%.
What percentage of Middlesex County, New Jersey residents are obese?
23.7% of adults in Middlesex County, New Jersey are classified as obese, about 1 in 4, 5.2 points below the New Jersey rate of 28.9%.
How many cigarettes do smokers in Middlesex County, New Jersey go through, and how much life does that cost?
Assuming each smoker smokes 10 cigarettes a day, that's about 804,783 cigarettes a day, 24.1 million a month, or 293.7 million a year! At 11 minutes* of life lost per cigarette, that's about 8.9 million minutes a day and 3.2 billion a year lost to smoking overall - and since life expectancy in Middlesex County is 80.7 years, that's roughly equivalent to 0.21 lifetimes a day, or 76 lifetimes a year.
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