Ionia, IA 50645 ZIP Code Profile

Related Place Profiles:
Bassett, IA | Chickasaw, IA | Ionia, IA

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ZIP Code 50645: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Ionia, IA 50645

Not Acceptable, USPS
Bassett, IA 50645
Chickasaw, IA 50645

  • ZIP Code Type: STANDARD
  • County: Chickasaw County
  • Centroid: Latitude 43.047, Longitude -92.485
  • Time Zone: Central Time Zone (UTC -6 hours)
  • Observes DST: Yes

ZIP Code 50645 has segments in 3 Counties (Bremer, Chickasaw, Floyd).

  • Businesses Addresses: 14
  • PO Box Addresses: 74
  • Residential Addresses: 390
    • Multi-Family Addresses: 0
    • Single Family Addresses: 390

The ZIP Code maps and database are updated 4 times per year.
Database updated: February 1, 2018, Maps updated: February 1, 2018.

EXTREMELY LOCAL Demographic Data

Address Based Hyperlocal Data Input an address and get data & demographics for the pertinent census block group (CBG), a searchable map and a customized directory. The CBG is the smallest geographical unit used by the Census Bureau for reporting demographic data.


50645 ZIP Code Map

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Ionia, IA 50645 Data & Demographics (As of July 1, 2017)


Total Population 1,139
Daytime Population: Workers 134
Daytime Population: Residents 639
Total Daytime Population (TDP) 773
Ratio TDP/Total Population1 0.68
Population in Households 1,130
Population in Familes 977
Population in Group Qrtrs 9
Population Density2 14
Diversity Index3 5


Median Household Income $51,601
Average Household Income $64,386
Per Capita Income $24,841


Total Housing Units 511 (100%)
Owner Occupied HU 376 (73.6%)
Renter Occupied HU 62 (12.1%)
Vacant Housing Units 73 (14.3%)
Median Home Value $127,451
Average Home Value $198,936


Total Households 438
Average Household Size 2.58
Family Households 325
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 -0.54% -0.6%
Households -0.55% -0.6%
Families -0.66% -0.69%
Median Household Income   1.61%
Per Capita Income   2.9%

Ionia, IA 50645 - Peer Comparisons by Rank and Percentile

The table below compares 50645 to the other 963 ZIP Codes 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 # 434 55th
Population Density # 675 30th
Diversity Index # 871 10th
Median Household Income # 619 36th
Per Capita Income # 773 20th

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

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