| Flagg Center | |
| Settlement Type: | Unincorporated community |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Illinois |
| Subdivision Type2: | County |
| Subdivision Name2: | Ogle |
| Subdivision Type3: | Township |
| Subdivision Name3: | Flagg |
| Pushpin Map: | Illinois#USA |
| Pushpin Map Caption: | Location of Flagg Center within Illinois |
| Coordinates: | 41.9406°N -89.1222°W |
| Elevation Ft: | 827 |
| Population Density Km2: | auto |
| Timezone1: | CST |
| Utc Offset1: | -6 |
| Timezone1 Dst: | CDT |
| Utc Offset1 Dst: | -5 |
| Postal Code Type: | Postal code |
| Postal Code: | 61068 |
| Area Codes: | 815, 779 |
Flagg Center is an unincorporated community in the southeastern portion of Ogle County, Illinois, United States in Flagg Township. It may be found at the crossroads of Flagg and Center Roads, hence the name Flagg Center.[1] There are two Churches located in Flagg Center...Full Gospel Fellowship Church and Iglesia Pentecostal Jesucristo Amor y Esperanza, AIC.