Buchanan County IA Information


Buchanan County Subdivisions

Buchanan County IA Data & Demographics (As of July 1, 2016)


Total Population 21,401
Population in Households 21,101
Population in Familes 17,566
Population in Group Qrtrs 300
Population Density1 38
Diversity Index2 8


Total Households 8,340
Average Household Size 2.53
Family Households 5,744
Average Family Size 3


Total Housing Units 9,165 (100%)
Owner Occupied HU 6,504 (71.0%)
Renter Occupied HU 1,836 (20.0%)
Vacant Housing Units 825 ( 9.0%)
Median Home Value $140,889
Average Home Value $169,865


Median Household Income $56,108
Average Household Income $70,698
Per Capita Income $27,700
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population 0.34% 0.47%
Households 0.35% 0.47%
Families 0.23% 0.4%
Median Household Income   2.49%
Per Capita Income   2.06%
1) Population Density = Total Population per square mile.
2) The Diversity Index is a scale of 0 to 100 that represents the likelyhood 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.
Based on Census 2010 counts, the Diversity Index for the United States was 60.6 and it is expected to increase to 64.8 by July 1, 2018.


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, 2016 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 Density1 # 30 71st
Diversity Index2 # 85 16th
Median Household Income # 16 85th
Per Capita Income # 31 70th

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