Adults 18–64 Without Health Insurance vs. Average Temperature by County

Counties with higher Average Temperature tend to have higher Adults 18–64 Without Health Insurance.

Strong link: a correlation of 0.54 across 2,905 counties.CorrelationHow closely two metrics move together, from −1 to +1. Near +1: both rise together. Near −1: one rises as the other falls. Near 0: no clear link.More in the glossary →

10.0%20.0%30.0%40.0%20.040.060.0Average Temperature (°F)Adults 18–64 Without Health Insurance (%)Starr County, TXZapata County, TXNorfolk County, MABarnstable County, MAZavala County, TXHonolulu County, HI
Each dot is one place. The dashed line is the trend; circled places are named in the text.

Each dot in the chart is one of 2,905 counties. The correlation between Average Temperature and Adults 18–64 Without Health Insurance is 0.54, a strong relationship: about 29% of the differences in Adults 18–64 Without Health Insurance from place to place line up with Average Temperature. Ranked instead of measured, the link is 0.60.

The highest Adults 18–64 Without Health Insurance is in Starr County, TX (43.7%), Zapata County, TX (43.3%) and Zavala County, TX (42.8%); the lowest is in Norfolk County, MA (4%), Barnstable County, MA (4.1%) and Middlesex County, MA (4.1%). The median place has 10.4% for Adults 18–64 Without Health Insurance and 54.7 for Average Temperature.

The biggest exceptions sit furthest from the trend line. Zavala County, TX, Starr County, TX and Zapata County, TX have a much higher Adults 18–64 Without Health Insurance than their Average Temperature would predict, while Honolulu County, HI, Kauai County, HI and Maui County, HI have a much lower one.

This is a comparison across places, not proof that one causes the other: both can follow from something else, such as income, age or how urban a place is. Average Temperature is from the latest available year and Adults 18–64 Without Health Insurance from 2023.

Highest Adults 18–64 Without Health Insurance

PlaceAdults 18–64 Without Health InsuranceAverage Temperature
Starr County, TX43.7%74.9
Zapata County, TX43.3%74.5
Zavala County, TX42.8%71.0
Dimmit County, TX41.6%71.9
Jim Hogg County, TX41.3%73.8

Lowest Adults 18–64 Without Health Insurance

PlaceAdults 18–64 Without Health InsuranceAverage Temperature
Norfolk County, MA4%50.3
Barnstable County, MA4.1%50.9
Middlesex County, MA4.1%49.4
Dukes County, MA4.2%51.4
Hampshire County, MA4.5%47.9

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