Founded in 1837, Livingston County is one of 102 counties in the state of Illinois. Historically, Livingston County was formed from LaSalle and McLean County. The city of Pontiac is the county seat. With FIPS code of 105, Livingston County has a population of 35,664 and area of 1,043 square miles (2,701 km2).
List of all cities in Livingston County, IL alphabetically
| City/Town | Postal Code | Area Code |
| Ancona, IL | 61311 | 815/779 |
| Avoca, IL | 61739 | 815/779 |
| Blackstone, IL | 61313 | 815/779 |
| Campus, IL | 60920 | 815/779 |
| Cayuga, IL | 61764 | 815/779 |
| Champlin, IL | 61739 | 815/779 |
| Chatsworth, IL | 60921 | 815/779 |
| Cornell, IL | 61319 | 815/779 |
| Cullom, IL | 60929 | 815/779 |
| Dwight, IL | 60420 | 815/779 |
| Emington, IL | 60934 | 815/779 |
| Eppards Point, IL | 61764 | 815/779 |
| Eylar, IL | 61769 | 815/779 |
| Fairbury, IL | 61739 | 815/779 |
| Flanagan, IL | 61740 | 815/779 |
| Forrest, IL | 61741 | 815/779 |
| Graymont, IL | 61743 | 815/779 |
| Long Point, IL | 61333 | 815/779 |
| Manville, IL | 61319 | 815/779 |
| McDowell, IL | 61764 | 815/779 |
| Nebraska Township, IL | 61740 | 815/779 |
| Ocoya, IL | 61764 | 815/779 |
| Odell, IL | 60460 | 815/779 |
| Owego, IL | 61764 | 815/779 |
| Pleasant Ridge, IL | 61741 | 815/779 |
| Pontiac, IL | 61764 | 815/779 |
| Reading, IL | 61311 | 815/779 |
| Rooks Creek, IL | 61764 | 815/779 |
| Rowe, IL | 61764 | 815/779 |
| Rugby, IL | 61764 | 815/779 |
| Saunemin, IL | 61769 | 815/779 |
| Scovel, IL | 61769 | 815/779 |
| Strawn, IL | 61775 | 815/779 |
| Sunbury, IL | 61313 | 815/779 |
| Swygert, IL | 61764 | 815/779 |
| Vermillion Estates, IL | 61764 | 815/779 |
| Wing, IL | 61741 | 815/779 |