Louisa County IA Information


Louisa County Subdivisions

Louisa County IA Data & Demographics (As of July 1, 2018)


Total Population 11,274
Population in Households 11,158
Population in Familes 9,166
Population in Group Qrtrs 116
Population Density1 28
Diversity Index2 43


Median Household Income $54,472
Average Household Income $65,913
Per Capita Income $25,284


Total Housing Units 5,002 (100%)
Owner Occupied HU 3,255 (65.1%)
Renter Occupied HU 1,051 (21.0%)
Vacant Housing Units 696 (13.9%)
Median Home Value $112,869
Average Home Value $152,028


Total Households 4,306
Average Household Size 2.59
Family Households 3,004
Average Family Size 3
  1. Population Density = Total Population per square mile.
  2. 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 -0.12% -0.25%
Households -0.11% -0.25%
Families -0.25% -0.35%
Median Household Income   1.14%
Per Capita Income   1.84%


Louisa County IA - Peer Comparisons by Rank and Percentile

The table below compares Louisa County to the other 99 counties and county equivalents in Iowa by rank and percentile using July 1, 2018 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 # 67 33rd
Population Density # 49 52nd
Diversity Index # 7 94th
Median Household Income # 34 67th
Per Capita Income # 90 10th

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