Illinois: Townships · July 1, 2025 PEP estimate
This comparison uses one population source and period. Types and rank scope remain explicit.
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Townships · July 1, 2025 PEP estimate
These are overlapping jurisdictions and communities. Do not add their populations together. A directory count describes this selection policy.
1,425 entries in this view. The initial list shows up to 50 entries per section.
Townships · July 1, 2025 PEP estimate (1,425)
| Name | Type | State rank | July 1, 2025 population |
|---|---|---|---|
| Rockford townshipWinnebago County | Township | 1 | 168,961 |
| Wheeling townshipCook County | Township | 2 | 154,050 |
| Thornton townshipCook County | Township | 3 | 152,667 |
| Downers Grove townshipDuPage County | Township | 4 | 149,599 |
| Worth townshipCook County | Township | 5 | 148,514 |
| Proviso townshipCook County | Township | 6 | 147,144 |
| Maine townshipCook County | Township | 7 | 136,611 |
| Schaumburg townshipCook County | Township | 8 | 131,411 |
| York townshipDuPage County | Township | 9 | 128,137 |
| Aurora townshipKane County | Township | 10 | 127,446 |
| Milton townshipDuPage County | Township | 11 | 119,815 |
| Lisle townshipDuPage County | Township | 12 | 119,740 |
| Lyons townshipCook County | Township | 13 | 112,345 |
| Palatine townshipCook County | Township | 14 | 111,179 |
| Capital townshipSangamon County | Township | 15 | 111,143 |
| Bloomingdale townshipDuPage County | Township | 16 | 111,039 |
| Niles townshipCook County | Township | 17 | 109,978 |
| Naperville townshipDuPage County | Township | 18 | 107,908 |
| Elgin townshipKane County | Township | 19 | 106,210 |
| Bremen townshipCook County | Township | 20 | 104,303 |
| Hanover townshipCook County | Township | 21 | 97,956 |
| Orland townshipCook County | Township | 22 | 96,641 |
| Peoria City townshipPeoria County | Township | 23 | 95,876 |
| Elk Grove townshipCook County | Township | 24 | 93,072 |
| Wheatland townshipWill County | Township | 25 | 92,693 |
| Champaign City townshipChampaign County | Township | 26 | 91,195 |
| Leyden townshipCook County | Township | 27 | 90,402 |
| Northfield townshipCook County | Township | 28 | 89,835 |
| Algonquin townshipMcHenry County | Township | 29 | 89,435 |
| Waukegan townshipLake County | Township | 30 | 89,045 |
| Du Page townshipWill County | Township | 31 | 88,043 |
| Addison townshipDuPage County | Township | 32 | 87,841 |
| Joliet townshipWill County | Township | 33 | 86,200 |
| Plainfield townshipWill County | Township | 34 | 85,115 |
| Bloom townshipCook County | Township | 35 | 83,631 |
| Bloomington City townshipMcLean County | Township | 36 | 78,804 |
| Rich townshipCook County | Township | 37 | 74,003 |
| Vernon townshipLake County | Township | 38 | 71,353 |
| Warren townshipLake County | Township | 39 | 65,343 |
| Dundee townshipKane County | Township | 40 | 64,737 |
| Wayne townshipDuPage County | Township | 41 | 63,935 |
| Avon townshipLake County | Township | 42 | 63,208 |
| Oswego townshipKendall County | Township | 43 | 61,778 |
| Frankfort townshipWill County | Township | 44 | 60,704 |
| Lockport townshipWill County | Township | 45 | 60,618 |
| Grafton townshipMcHenry County | Township | 46 | 58,301 |
| New Trier townshipCook County | Township | 47 | 56,118 |
| Palos townshipCook County | Township | 48 | 55,372 |
| Berwyn townshipCook County | Township | 49 | 55,001 |
| Libertyville townshipLake County | Township | 50 | 54,621 |
No records in this section under this view's inclusion policy.
Download the complete comparison CSV. Geography, source periods and missing-value meanings are documented in the field dictionary.