Knox County, Illinois
Knox County covers 716 sq mi of land and has about 49,046 residents. 17 zip codes lie mainly within it, spread across 16 cities and towns. Zip codes that only partly reach into the county are listed on each zip's own page.
Population
49,046
69/sq mi
Median household income
$57K
U.S. $81K
Median home value
$112K
U.S. $333K
Median rent
$788
U.S. $1,413
Median age
42.6
U.S. 38.9
Poverty rate
14.6%
U.S. 12.5%
Cities and towns
Zip codes in Knox County
17 total
| Zip | City | Type | Population | IncomeMedian income |
|---|---|---|---|---|
| 61401 | Galesburg | 30,580 | $50,546 | |
| 61402 | Galesburg | 1,623 | — | |
| 61410 | Abingdon | 3,838 | $62,925 | |
| 61414 | Altona | 696 | $48,929 | |
| 61428 | Dahinda | 1,278 | $77,143 | |
| 61430 | East Galesburg | 713 | $79,333 | |
| 61436 | Gilson | 745 | $76,000 | |
| 61439 | Henderson | 299 | $59,125 | |
| 61448 | Knoxville | 3,947 | $82,500 | |
| 61458 | Maquon | 656 | $65,461 | |
| 61467 | Oneida | 1,159 | $88,472 | |
| 61472 | Rio | 453 | $76,500 | |
| 61474 | Saint Augustine | 221 | $59,583 | |
| 61485 | Victoria | 417 | $59,306 | |
| 61488 | Wataga | 1,084 | $68,333 | |
| 61489 | Williamsfield | 820 | $98,125 | |
| 61572 | Yates City | 732 | $73,125 |
Knox County at a glance
Compared with the U.S.
Household income distribution
<$25k
23%
$25–50k
22%
$50–75k
18%
$75–100k
13%
$100–150k
15%
$150–200k
6%
$200k+
4%
Highest education (adults 25+)
No diploma
10%
High school
34%
Some college
22%
Associate's
14%
Bachelor's
14%
Graduate
7%
How people get to work
Drove alone
79%
Carpooled
9%
Transit
0.5%
Walked
4%
Bicycle
0.3%
Worked from home
6%
Other
1%
At a glance
| Knox | U.S. | |
|---|---|---|
| Own their home | 70.8% | 65.2% |
| Bachelor's degree or higher | 21% | 35.7% |
| Work from home | 5.7% | 15.1% |
| Households with broadband | 84% | 91% |
| Without health insurance | 5% | 8.4% |
| Foreign-born | 3.2% | 14.1% |
| Veterans (of adults) | 7.3% | 6.2% |
| Unemployment | 5.1% | 5.2% |
| Average commute | 20.4 min | 26.4 min |