This layer displays the 2021 Gross Domestic Product (GDP) produced within each U.S. county and the percent change in GDP from the previous year. GDP is the monetary value of all the goods and service produced within a county and is a measure of economic activity. The growth rate of GDP is the most popular indicator of overall economic health.
EJ Screen Diesel Particulate Matter
The Diesel PM indicator is the estimated concentration of Diesel PM as provided by the 2017 Air Toxics
update. The value of the indicator is in µg /m3
, and reported at the Census tract level. Block group level
values are assigned by repeating each parent tract level value.
FEMA National Risk Index, 2021
This layer displays the FEMA National Risk Index score, rating and national and state percentiles for each county and Census tract. These are measures of risks U.S. communities are exposed to for 18 natural hazards. Data was obtained from the FEMA National Risk Index (the Nov. 2021 version).
Occupied Housing Units
This layer displays information from the US 2020 Decennial Census, which provides occupied housing units for all geographic areas. An occupied Housing is when a person or group of persons is living in it at the time of the interview or if the occupants are only temporarily absent, as for example, on vacation. This data was released as part of the decennial census in April 2020. Learn more about this dataset at Census.gov.
Population Living in Rural Areas
This layer displays percent of population living in rural areas as of 2020. This data was released as part of the decennial census in April 2020. Learn more about this dataset at Census.gov.
Population Living in Urban Areas
This layer displays percent of population living in urban areas as of 2020. Urban areas are identified using population density, count, and size thresholds. This data was released as part of the decennial census in April 2020. Learn more about this dataset at Census.gov.
Vacant Housing Units
This layer displays information from the US 2020 Decennial Census, which provides vacant housing units for all geographic areas. A vacant Housing Unit is when no one is living in it at the time of the interview, unless its occupants are only temporarily absent. This data was released as part of the decennial census in April 2020. Learn more about this dataset at Census.gov.
Air Quality – Ozone Levels (O3) by Census Tract, 2019
This layer displays the daily average concentration of ozone and the percentage of days with concentrations of ozone above the National Ambient Air Quality Standard (NAAQS) of 0.075 parts per million in 2019.
Income from Transfer Payments
Layer displays information about personal income from transfer payments from the Bureau of Economic Analysis (BEA) Local Area Personal Income data series. In personal income, transfer receipts are benefits received by persons for which no current services are performed. They are payments by government and business to individuals and non-profit institutions. Specifically, transfer payment income encompasses all receipts from:
- Retirement and disability;
- Medical benefits;
- Income maintenance benefits (SSI, EITC, SNAP, etc.);
- Unemployment;
- Veterans’ benefits;
- Education and training assistance;
- Other government benefits;
- Payments from businesses
For more information, please see the Local Area Personal Income Methodology.
Uninsured Population by County
Layer displays information about the insurance status of the population age 0-64. The data are from the 2021 Small Area Health Insurance Estimates, released by the US Census Bureau in August, 2023.