| City: | Peoria, Illinois |
| City Alias: | East Peoria |
| Names to Avoid: | Caterpillar Inc |
| County: | Peoria County |
| Timezone: | Central (GMT -06:00) |
| Local Time: | 11:32:39 PM |
| Population: | No Population Data |
| Area Codes: | 309 / 861 |
| Classification: | Unique [Company/Government] |
| Coordinates: | 40.6937, -89.5887 |
| Quick Link: |
Caterpillar Inc., the world's largest manufacturer of construction and mining equipment, operates under dedicated ZIP code 61630 in Peoria County, Illinois. Founded in 1925 through the merger of Holt Manufacturing and C. L. Best Tractor, Caterpillar built its global empire from Peoria, where it maintained world headquarters for nearly a century before relocating corporate leadership to Texas in 2022. The company's iconic yellow machinery, from bulldozers to mining trucks, has shaped infrastructure projects worldwide.
Despite the headquarters move, Caterpillar maintains a significant presence in the Peoria area with four major manufacturing plants: the Mapleton Foundry for diesel engine blocks, the East Peoria assembly facility that has built tractors for over 70 years, the Mossville engine plant, and the Morton parts facility. This dedicated postal designation, in place for over two decades, routes correspondence to Jefferson Street facilities. Visitors can explore the company's history at the Caterpillar Visitors Center in Peoria. Either East Peoria or Peoria serves as a valid mailing city for this commercial ZIP code, which has no residential population.
| Residential: | 0 |
| Business: | 1 |
Buildings registered in the USPS ZIP+4 database with designated codes for direct mail delivery.
ZIP Code 61630 is assigned to a single organization or institution. Detailed business demographics are not published for unique ZIP Codes. USPS data shows 0 residential mailboxes and 1 business mailboxes, reflecting local delivery coverage.
| # Residential Mailboxes: | 0Source: USPS |
| # Business Mailboxes: | 1Source: USPS |
| Total Delivery Receptacles: | 1Source: USPS |
| Single Family Delivery Units: | 0Source: USPS |
| Multi Family Delivery Units: | 0Source: USPS |
| # of Businesses: | 0Source: CBP |
| 1st Quarter Payroll: | $0Source: CBP |
| Annual Payroll: | $0Source: CBP |
| # of Employees: | 0Source: CBP |
ZIP Code 61630 is located in Peoria County, Illinois, within the Peoria, IL Metropolitan Statistical Area (CBSA 37900) and Illinois's 17th Congressional District. This Metro area has a population of 365,773 people, about 0.00% of whom live in ZIP Code 61630. It covers 0 sq mi of land and a water area of 0 sq mi.
| CBSA Name: | Peoria, ILSource: Census |
| CBSA Number: | 37900Source: Census |
| CBSA Type: | MetroSource: Census |
| CBSA Division: | --Source: Census |
| CBSA Population: | 365,773Source: Census |
| MSA: | Peoria-Pekin, IL MSASource: Census |
| Land Area: | --Source: Census |
| Water Area: | --Source: Census |
| Congressional District: | 17Source: USPS |
| Congressional Land Area: | 6933.08 sq miSource: Census |
| PMSA: | --Source: Census |
| Intro Date: | < 2004-10Source: ZIP-Codes.com |
| Place FIPS Code: | 1759000Source: Census |
| Place Name: | Peoria city; IllinoisSource: Census |
We could not locate which school district 61630 belongs to, but we will update this once new district data is released. There are no public schools nor private schools with a mailing address in this ZIP Code. Listing Nearby schools instead. It also has 6 colleges, universities or post secondary education institutions nearby which would be a short commute to.
Our sources include trusted federal and licensed data from the United States Postal Service, U.S. Census Bureau, U.S. Geological Survey, Centers for Medicare & Medicaid Services, and the National Center for Education Statistics, along with proprietary datasets created by ZIP-Codes.com. Data last updated on January 1, 2026.