| Date Filed | Type | Ordinance | Map Status | Notes |
| 2025-11-17 | Notification of Resignation & Appointment
(TIFF) (PDF) | | | City Councilmember Kelly Meiser resigned Robert Andrew Williams was selected to replace Kelly Meiser |
| 2020-05-21 | Population Estimate | | | U. S. Census Bureau Population Estimate as of July 1, 2019: 3,056 |
| 2020-05-13 | Notification of Vacancy & Appointment
(TIFF) (PDF) | Resolution 20-0401 | | Becky Sebastian was appointed to fill the vacancy on the City Council created by the passing of Councilmember Jerry Sebastian. |
| 2019-06-21 | Notification of Vacancy & Appointment
(TIFF) (PDF) | | | Vacancy due to the untimely death of Councilman Robert Honaker on June 8, 2019. On June 17, 2019, Jerry Sebastian was appointed to fill the vacancy on the City Council. |
| 2019-05-23 | Population Estimate | | | U. S. Census Bureau Population Estimate as of July 1, 2018: 3,070 |
| 2018-08-02 | Notification of Resignation & Appointment
(TIFF) (PDF) | Resolution 18-0701 | | City Council Member Tim Gilkison resigned his office effective July 2, 2018. Jim Profitt was appointed to fill the vacancy on the City Council. |
| 2018-05-24 | Population Estimate | | | U. S. Census Bureau Population Estimate as of July 1, 2017: 3,064 |
| 2016-11-14 | Severance & Transfer
(TIFF) (PDF) | 16-0701 | MAPPABLE | Transfers area located along I-471 from the city of Wilder to the city of Southgate: 21.413 acres |
| 2016-05-19 | Population Estimate | | | U. S. Census Bureau Population Estimate as of July 1, 2015: 3,088 |
| 2015-05-21 | Population (2010) | | | Population Total per 2010 U.S. Decennial Census: 3,035 |
| 2014-08-18 | Declaration
(TIFF) (PDF) | pursuant to HB 331 (2014) | | Acknowledgment of Reclassification (Home Rule), Statement of Form of Government (Mayor-Council), Name of City, & Year of Incorporation |
| 2010-03-05 | Notification of Resignation & Appointment
(TIFF) (PDF) | | | City Council Member |
| 1993-12-03 | Annexation
(TIFF) (PDF) | 93-1101 | MAPPABLE | Westerly side of I-275, the east and west sides of Johns Hill Road, the north and south sides of Longview Drive |
| 1990-08-03 | Annexation
(TIFF) (PDF) | 90-0701 | MAPPABLE | 8 Wesley Drive - Mr. David Hogan, Wesley Drive - Ronald W. & Virginia C. Nessler, 9 Wesley Drive - Joseph C & SHirley J Groeschen, 903 Johns Hill Road - Lucille J Watts, 911 Johns Hill Road - James G & Michelle R Widmeyer |
| 1990-07-06 | Annexation
(TIFF) (PDF) | 90-0501 | MAPPABLE | Westerly side of I-275 |
| 1989-12-20 | Annexation
(TIFF) (PDF) | 89-1201 | MAPPABLE | Northeasterly side of Johns Hill Road |
| 1989-12-06 | Annexation
(TIFF) (PDF) | 89-1101 | MAPPABLE | 50 acre parcel on Johns Hill Road |
| 1989-12-06 | Annexation
(TIFF) (PDF) | 89-1102 | MAPPABLE | 24 acre parcel on Johns Hill Road |
| 1988-12-29 | Annexation
(TIFF) (PDF) | 88-1201 | MAPPABLE | North side of Johns Hill Road |
| 1987-06-09 | Annexation
(TIFF) (PDF) | 87-0501 | MAPPABLE | Southwesterly side of Johns Hill Road |
| 1985-12-06 | Annexation
(TIFF) (PDF) | 85-1101 | MAPPABLE | Johns Hill Road |
| 1984-06-21 | Annexation
(TIFF) (PDF) | 84-0601 | MAPPABLE | Northwesterly side of I-275 |
| 1981-06-01 | KRS 81.045 Filing
(TIFF) (PDF) | | MAPPABLE | KRS 81.045 Filing |
