Buchanan County IA Information


Buchanan County Subdivisions

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


Total Population 21,493
Daytime Population: Workers 7,694
Daytime Population: Residents 11,047
Total Daytime Population (TDP) 18,741
Ratio TDP/Total Population1 0.87
Population in Households 21,163
Population in Familes 17,579
Population in Group Qrtrs 330
Population Density2 38
Diversity Index3 9


Median Household Income $58,404
Average Household Income $72,273
Per Capita Income $28,368


Total Housing Units 9,178 (100%)
Owner Occupied HU 6,553 (71.4%)
Renter Occupied HU 1,835 (20.0%)
Vacant Housing Units 790 ( 8.6%)
Median Home Value $143,803
Average Home Value $172,215


Total Households 8,388
Average Household Size 2.52
Family Households 5,759
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 0.35% 0.32%
Households 0.38% 0.34%
Families 0.24% 0.25%
Median Household Income   2.59%
Per Capita Income   2.45%


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, 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 # 29 72nd
Population Density # 30 71st
Diversity Index # 85 15th
Median Household Income # 13 88th
Per Capita Income # 27 74th

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