County Population in Iowa by Year | Last Updated 9 Sep 2019

This dataset contains county population in Iowa from 1990 to the most current year available. Data from 1990, 2000, and 2010 comes from the decennial censuses while the years in between are produced annually.

Tags: decennial census, annual population estimates

This dataset has the following 5 columns:

Column NameAPI Column NameData TypeDescriptionSample Values
FIPSfipsnumberA five-digit code for counties based on Federal Information Processing Standards Publication - FIPS 55-DC3 (December 1994) , Guideline: Codes for Named Populated Places, Primary County Divisions, and Other Locational Entities of the United States, Puerto Rico, and the Outlying Areas (withdrawn February 8, 2005)
Yearyearcalendar_dateFor population estimates the date of reference is always July 1. The decennial census has a date of April 1.
Primary Pointprimary_pointpointPrimary latitude and longitude in decimal degrees for the county. Latitude and longitude are based on values provided by USGS's Geographic Names Information System.