Tama County IA Information


Tama County Subdivisions

Tama County IA Data & Demographics (As of July 1, 2017)


Total Population 17,747
Daytime Population: Workers 6,575
Daytime Population: Residents 8,504
Total Daytime Population (TDP) 15,079
Ratio TDP/Total Population1 0.85
Population in Households 17,445
Population in Familes 14,456
Population in Group Qrtrs 302
Population Density2 25
Diversity Index3 39


Median Household Income $53,187
Average Household Income $65,976
Per Capita Income $25,898


Total Housing Units 7,861 (100%)
Owner Occupied HU 5,368 (68.3%)
Renter Occupied HU 1,550 (19.7%)
Vacant Housing Units 943 (12.0%)
Median Home Value $122,609
Average Home Value $161,210


Total Households 6,918
Average Household Size 2.52
Family Households 4,748
Average Family Size 3
  1. If the ratio of the TDP to Total Population is greater than 1, the location gains population during the day when commuting workers are present. If the ratio is less than 1, the location is more of a bedroom community where people commute to another place for work.
  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.


2010-2017 2017-2022
Population -0.02% -0.08%
Households -0.06% -0.16%
Families -0.21% -0.24%
Median Household Income   2.27%
Per Capita Income   2.69%


Tama County IA - Peer Comparisons by Rank and Percentile

The table below compares Tama County to the other 99 counties and county equivalents in Iowa by rank and percentile using July 1, 2017 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

Variable Description Rank Percentile
Total Population # 41 60th
Population Density # 58 41st
Diversity Index # 9 92nd
Median Household Income # 39 62nd
Per Capita Income # 69 31st

Additional comparisons and rankings can be made with a VERY EASY TO USE Iowa Census Data Comparison Tool.