| Year | Ward Change | Authority | Date |
|---|---|---|---|
| 1705 | Original Division into 10 Wards | Informal decree of City Council | 2 February 1705 |
| 1785 | New Market Ward from Dock Ward | Statutes at Large, Vol. XI, Chapter MCXXVII | |
| 1786 | Mulberry Ward divided into North and South Mulberry Wards | Statutes at Large, Vol. XII, Chapter MCCXXIII | |
| 1800 | Locust Ward from Dock Ward Cedar Ward from New Market Ward | Statutes at Large, Vol. XVI, Chapter MMCX | |
| 1825 | Pine Ward from Dock and New Market Wards | Laws of Pennsylvania, Chapter LXXIII | 31 March 1825 |
| 1846 | Lombard & Spruce Wards from Cedar Ward | Laws of Pennsylvania, Chapter XXIII | 4 February 1846 |
| 1854 | Division of Consolidated City into 24 numbered wards | Act of Consolidation | 2 February 1854 |
Original Division into 10 Wards
Mulberry Ward divided into North and South Mulberry Wards
Locust Ward from Dock Ward; Cedar Ward from New Market Ward
Pine Ward from Dock and New Market Wards
Lombard & Spruce Wards from Cedar Ward
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