| Key | Value |
| addr:state | IL |
| aerodrome:type | public |
| aeroway | aerodrome |
| alt_name | Belvidere Poplar Grove Airport |
| closest_town | Poplar Grove, IL |
| ele | 230 |
| faa | C77 |
| gnis:feature_id | 427058 |
| website | https://poplargroveairmotive.com/ |
| website:faa | https://nfdc.faa.gov/nfdcApps/services/airportLookup/airportDisplay.jsp?airportId=C77 |
| wikidata | Q431097 |
| wikipedia | en:Poplar Grove Airport |