ZIP code · Chillicothe · Illinois · United States
ZIP code 61523 — Chillicothe
ZIP code 61523 serves Chillicothe, Illinois.
- Postal code
- 61523Single source Value from one source, not cross-checked.
- City
- Chillicothe
- County
- Peoria FIPS 17143
- State
- Illinois
- Country
- United States
- Coordinates
- 40.9013, -89.5068 — precision precise (locality)
View on OpenStreetMap - Population
- 10,188 (ZCTA, ACS 5-year)
- Population density
- 191 / sq mi
- Land area
- 53.3 sq mi (138 km²) (ZCTA, ACS 5-year)
- Median household income
- $74,100
- Per-capita income
- $41,005
- Median age
- 43.2
- Households
- 4,430
- Housing units
- 4,773
- Median home value
- $151,600
- Median gross rent
- $907 / month
- Congressional district
- IL-16 (119th Congress)
- USDA hardiness zone
- 6a (-10 to -5 °F)Planting / growing zone from the 2023 USDA Plant Hardiness Zone Map: average annual extreme minimum temperature, 1991–2020.
- Time zone
- America/Chicago (UTC−6 / UTC−5 DST)
- Area code
- 309Telephone area codes serving this ZIP (NANPA central-office assignments). A ZIP and an area code are different boundaries; at a border both codes may apply.
Tools: compare 61523 with another ZIP · ZIPs within 25 miles · distance from 61523
Map of ZIP code 61523
Climate — monthly normals
Warmest month Jul (avg high 87°F), coldest Jan (avg low 18°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 34 | 38 | 51 | 65 | 75 | 84 | 87 | 86 | 80 | 67 | 51 | 38 |
| Avg low °F | 18 | 22 | 31 | 41 | 52 | 61 | 65 | 63 | 55 | 44 | 33 | 23 |
| Precip in | 2.1 | 2.1 | 2.6 | 4.0 | 4.8 | 4.3 | 4.0 | 3.3 | 3.3 | 3.2 | 2.6 | 2.2 |
NOAA 1991–2020 climate normals from the nearest station: LACON (9.4 mi) · NOAA NCEI
Places in ZIP 61523
- 6 schools
- 4 doctors & dentists
- 1 pharmacies
- 1 supermarkets
- 15 restaurants & cafés
- 4 bars & pubs
- 10 parks
- 9 playgrounds
- 4 gyms & sports centres
- 1 libraries
- 1 post offices
- 12 places of worship
- 4 banks
- 6 gas stations
- 1 EV charging stations
- 4 police & fire stations
Places mapped inside this ZIP’s ZCTA area in OpenStreetMap. OSM is community-maintained: counts reflect what has been mapped, and completeness varies by area — treat them as at-least figures. © OpenStreetMap contributors (ODbL) · Methodology
About this page
US ZIP codes have five digits. They are postal routing areas, not administrative boundaries: a ZIP can span more than one city or county, and the city shown is the primary USPS name for that code.
GeoNames · U.S. Census Bureau (ACS) · U.S. Census Bureau · NOAA NCEI · usda-phzm. Data generated on 2026-08-21. Methodology · Report an error on this page