Linn County IA Information


Linn County Subdivisions

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


Total Population 226,417
Daytime Population: Workers 127,231
Daytime Population: Residents 111,968
Total Daytime Population (TDP) 239,199
Ratio TDP/Total Population1 1.06
Population in Households 221,336
Population in Familes 171,312
Population in Group Qrtrs 5,081
Population Density2 316
Diversity Index3 26


Median Household Income $59,550
Average Household Income $77,807
Per Capita Income $31,858


Total Housing Units 97,880 (100%)
Owner Occupied HU 65,211 (66.6%)
Renter Occupied HU 26,635 (27.2%)
Vacant Housing Units 6,034 ( 6.2%)
Median Home Value $163,333
Average Home Value $198,465


Total Households 91,846
Average Household Size 2.41
Family Households 57,039
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 0.96% 0.94%
Households 0.89% 0.89%
Families 0.71% 0.78%
Median Household Income   1.32%
Per Capita Income   1.99%


Linn County IA - Peer Comparisons by Rank and Percentile

The table below compares Linn 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 # 2 99th
Population Density # 3 98th
Diversity Index # 24 77th
Median Household Income # 8 93rd
Per Capita Income # 7 94th

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