Planning & Zoning is currently working on an update to this page using 2019 U.S. Census Bureau estimated data. In the meantime, you can see the estimated data here.
News from 2020 Census
The 2020 U.S. Census Bureau data shows the Resident Population of the United States as of April 1, 2020, was 331,449,281. This represents a 7.4% increase from 2010. Colorado (5,773,714) showed a 14.8% population increase from 2010 and gained a seat in the House of Representatives. New York lost a seat by only 89 people. Read more on the U.S. Census Bureau website.
2012 Jefferson County Demographic Update
This is a comprehensive look at the county’s demographic profile as of January 1, 2012. The data used for this update was primarily derived from 2010 US Census data. The 2010 US Census data is considered the baseline demographic data for population and housing estimates until the next decennial census occurs in 2020.
About the 2012 Jefferson County Demographic Update
For the 2012 Jefferson County Demographic Update, the sources used to construct the various tables, charts, estimates and forecasts included: the Colorado State Demography Office, the US Census, American Community Survey (ACS), Colorado Department of Labor and Employment, Denver Regional Council of Governments (DRCOG), Jeffco Public Schools, and the Jefferson Economic Council (JEC).
Please note: This site will be periodically revised and updated to reflect the most recent demographic information available.
- Land Area Maps
- At a Glance
- Population Characteristics
- Social Characteristics
- Demographic Data
- Economic Data
- Area Plans