| ZIP Codes: | 17 ZIP Codes (16 Standard, 1 PO Box, 0 Unique) [See All] |
| Area Codes: | 779 / 815 |
| Timezone: | Central (GMT -06:00) |
| Local Time: | 11:53:19 PM |
| Population: | 32,715 [See All] |
| FIPS: | 17105 |
| CBSA: | Pontiac, IL |
| Land Area: | 938 sq mi |
| Water Area: | 2 sq mi |
| Coordinates: | 40.9115, -88.5434 |
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32,715 residents live across 17 ZIPs covering 938 sq mi, served by 17 distinct USPS-recognized cities.
Population moved from 36,216 to 32,715 from 2014 to 2024 — a -9.7% change. 7 ZIPs gained residents, 9 lost (and 1 held flat).
The county's wealthiest ZIP 61313 (Blackstone, $121,979 median) and poorest ZIP 61769 (Saunemin, $59,886) are 19.2 miles apart — a 2.0× income gap across local geography.
Median home values vary 1.9× across this county — from $107,600 in 60921 (Chatsworth) to $201,800 in 61313 (Blackstone).
Density varies 16× across the county — from 6 people/sq mi in 61775 (Strawn) to 96 in 60920 (Campus).
Educational attainment ranges from 5.2% bachelor's+ in 60934 (Emington) to 27.3% in 61739 (Fairbury) — the breadth of educational profiles across the area.
Within Illinois, this is the #45 most populous of 102 counties and ranks #20 for median household income .
Weighted by population, the typical household earns about $74,258 across the county — reflecting what a typical resident sees, not a simple ZIP average.
18.7% of adults age 25+ hold a bachelor's degree or higher (4,307 of 23,001 reporting).
16 Standard delivery, 1 PO Box only, 0 single-entity Unique ZIPs serve this county.
A frontier county — vast land area with only a few residents per square mile. Daily life looks very different here than in the country's denser counties.
Livingston County lost 9.7% of residents between 2014 and 2024. ZIPs that shed the largest share:
| ZIP | City | Type | Population | Median Income | Area (sq mi) | 10-yr Growth |
|---|---|---|---|---|---|---|
| 61764 | Pontiac | Standard | 13,668 | $68,781 | 154.0 | -5.1% |
| 60420 | Dwight | Standard | 4,682 | $71,157 | 104.1 | -28.1% |
| 61739 | Fairbury | Standard | 4,628 | $76,555 | 101.4 | -6.5% |
| 61741 | Forrest | Standard | 1,549 | $87,850 | 55.6 | -11.2% |
| 60921 | Chatsworth | Standard | 1,458 | $78,333 | 72.5 | 10.0% |
| 60460 | Odell | Standard | 1,399 | $91,154 | 100.2 | 2.0% |
| 61740 | Flanagan | Standard | 1,377 | $79,904 | 67.3 | -22.6% |
| 61319 | Cornell | Standard | 1,286 | $82,589 | 48.1 | 28.1% |
| 61769 | Saunemin | Standard | 641 | $59,886 | 40.2 | 11.9% |
| 60929 | Cullom | Standard | 587 | $71,667 | 39.0 | -36.4% |
| 61333 | Long Point | Standard | 304 | $69,375 | 18.9 | 15.2% |
| 60934 | Emington | Standard | 243 | $81,500 | 29.0 | -22.6% |
| 61313 | Blackstone | Standard | 241 | $121,979 | 37.6 | 59.6% |
| 61775 | Strawn | Standard | 187 | — | 32.2 | -48.1% |
| 61311 | Ancona | Standard | 180 | — | 17.5 | 23.3% |
| 60920 | Campus | PO Box | 172 | $111,406 | 1.8 | 0.0% |
| 61743 | Graymont | Standard | 113 | $93,750 | 19.0 | -49.6% |