USA.com / Iowa / Marion County / Knoxville, IA / 50138 / Income and Careers / Historical Per Capita Income Data
50138 Zip Code Historical Per Capita Income Data
ACS 2010-2014 data
| 50138 Zip Code | 24,485 USD |
| Iowa | 27,621 USD |
| U.S. | 28,555 USD |
ACS 2008-2012 data
| 50138 Zip Code | 23,317 USD |
| Iowa | 26,545 USD |
| U.S. | 28,051 USD |
US Census 2000 data
| 50138 Zip Code | 18,192 USD |
| Iowa | 19,674 USD |
| U.S. | 21,587 USD |
* ACS stands for U.S. Census American Community Survey. According to the U.S. Census, if the date is a range, you can interpret the data as an average of the period of time.