Iowa Census & Demographic Data - July 1, 2018


Iowa Census Data

The tables below provide updated data and demographic estimates for Iowa as of July 1, 2018. Our Iowa Census Data Comparison Tool allows you to compare and rank IA cities, towns, ZIP Codes and Counties.

Iowa Data & Demographics (As of July 1, 2018)


Total Population 3,219,046
Population in Households 3,118,486
Population in Familes 2,430,235
Population in Group Qrtrs 100,560
Population Density2 58
Diversity Index3 31


Median Household Income $56,647
Average Household Income $75,141
Per Capita Income $30,363


Total Housing Units 1,413,453 (100%)
Owner Occupied HU 908,398 (64.3%)
Renter Occupied HU 377,133 (26.7%)
Vacant Housing Units 127,922 ( 9.1%)
Median Home Value $147,889
Average Home Value $185,072


Total Households 1,285,531
Average Household Size 2.43
Family Households 819,516
Average Family Size 3
  1. Demographics are point estimates for July 1st of the current year and each for the forecast years. See References for more information.
  2. Population Density = Total Population per square mile.
  3. The Diversity Index is a scale of 0 to 100 that represents the likelihood that two persons, chosen at random from the same area, belong to different race or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.


2010-2018 2018-2023
Population 0.67% 0.63%
Households 0.62% 0.6%
Families 0.45% 0.49%
Median Household Income   1.69%
Per Capita Income   2.04%