Monthly rent
$731 tract average vs. $1,063 citywide (-31%)
The listed tracts average 31% below the citywide median, a large separation that makes the tract rows more informative than the citywide figure alone.
Neighborhoods
Among 16 census tracts, Tract 14 leads at $88,571 median income - about 5× Tract 8 at $16,654.
16 census tracts · Illinois · Census ACS 2023
These comparisons use the average of the tract medians listed on this page and the ACS citywide median. They are two different geographic summaries, so the gap is a reading aid rather than an estimate of a typical household.
$731 tract average vs. $1,063 citywide (-31%)
The listed tracts average 31% below the citywide median, a large separation that makes the tract rows more informative than the citywide figure alone.
$116,253 tract average vs. $89,800 citywide (+29%)
A 29% premium over the citywide median makes this one of the clearer local contrasts on the page. The row-level values show whether it is broad or driven by a few tracts.
$55,675 tract average vs. $45,213 citywide (+23%)
A 23% premium over the citywide median makes this one of the clearer local contrasts on the page. The row-level values show whether it is broad or driven by a few tracts.
PlainCities uses U.S. Census tracts as neighborhood units, small, stable areas of a few thousand residents each. The table below lists this city's tracts, sorted by median household income.
Showing 16 of 16 tracts, sorted by median household income - Tract 14 highest at $88,571 ; Tract 8 lowest at $16,654.
| Tract | Population | |
|---|---|---|
|
Tract 5 Knox Co. | 5,316 | View › |
|
Tract 4 Knox Co. | 4,516 | View › |
|
Tract 3 Knox Co. | 4,111 | View › |
|
Tract 10 Knox Co. | 3,929 | View › |
|
Tract 15 Knox Co. | 3,903 | View › |
|
Tract 13 Knox Co. | 3,714 | View › |
|
Tract 6 Knox Co. | 3,204 | View › |
|
Tract 2 Knox Co. | 2,912 | View › |
|
Tract 1 Knox Co. | 2,790 | View › |
|
Tract 16 Knox Co. | 2,787 | View › |
|
Tract 8 Knox Co. | 2,502 | View › |
|
Tract 11 Knox Co. | 2,390 | View › |
|
Tract 9 Knox Co. | 2,085 | View › |
|
Tract 7 Knox Co. | 1,881 | View › |
|
Tract 12 Knox Co. | 1,642 | View › |
|
Tract 14 Knox Co. | 1,612 | View › |
Source: U.S. Census Bureau ACS 5-Year Estimates 2023. Census tracts are small, stable geographic units used for statistical analysis. Each tract typically contains 1,200–8,000 people. Last updated: 2026