Buchanan County IA Information


Buchanan County Subdivisions

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


Total Population 21,411
Population in Households 21,081
Population in Familes 17,382
Population in Group Qrtrs 330
Population Density1 38
Diversity Index2 8


Median Household Income $58,732
Average Household Income $74,202
Per Capita Income $29,052


Total Housing Units 9,214 (100%)
Owner Occupied HU 6,739 (73.1%)
Renter Occupied HU 1,597 (17.3%)
Vacant Housing Units 878 ( 9.5%)
Median Home Value $151,015
Average Home Value $179,667


Total Households 8,336
Average Household Size 2.53
Family Households 5,715
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 0.26% 0.23%
Households 0.26% 0.23%
Families 0.12% 0.15%
Median Household Income   1.0%
Per Capita Income   1.43%


Buchanan County IA - Peer Comparisons by Rank and Percentile

The table below compares Buchanan 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 # 29 72nd
Population Density # 30 71st
Diversity Index # 89 11th
Median Household Income # 16 85th
Per Capita Income # 37 64th

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