Biggest Cities in Illinois - 2020 Census Data

Top 100 Biggest Cities In Illinois (2020 Census)

Rank	City	2020 Population	Growth Rate (Annual)
1	Pingree Grove	10,383	8.6%
2	Wilmington	5,646	–
3	Volo	6,178	7.7%
4	Gilberts	8,359	2.0%
5	Huntley	27,795	1.4%
6	Montgomery	20,403	1.0%
7	Timberlane	909	-0.3%
8	Yorkville	21,599	2.5%
9	Plainfield	44,800	1.2%
10	Minooka	12,762	1.6%
11	Round Lake	18,719	0.2%
12	Manhattan	9,532	3.1%
13	Indian Creek	534	1.5%
14	Poplar Grove	5,049	0.1%
15	Davis Junction	2,509	0.6%
16	Sumner	2,667	-1.7%
17	Hampshire	7,637	3.2%
18	Oswego	34,711	1.3%
19	Sugar Grove	9,259	0.3%
20	Shorewood	18,182	1.5%
21	Beecher	4,705	0.8%
22	Elburn	6,199	1.0%
23	Lakemoor	6,183	0.3%
24	Plano	11,914	0.9%
25	Cortland	4,378	0.3%
26	Valmeyer	1,226	-0.3%
27	Savoy	8,811	1.9%
28	Round Lake Heights	2,619	-0.2%
29	Frankfort	20,319	1.3%
30	Prairie Grove	1,959	0.3%
31	Kaskaskia	17	2.0%
32	Mahomet	9,470	2.7%
33	Diamond	2,633	0.4%
34	Aviston	2,346	1.9%
35	Maple Park	1,433	0.9%
36	Port Barrington	1,580	0.4%
37	Romeoville	39,878	0.0%
38	Lakewood	4,271	1.1%
39	Richmond	2,087	1.1%
40	Roscoe	10,927	0.1%
41	Channahon	13,412	0.7%
42	Smithton	4,007	0.8%
43	Monee	5,116	-0.1%
44	North Aurora	18,312	0.9%
45	Lockport	26,157	0.5%
46	Maryville	8,174	0.9%
47	Dunlap	1,597	1.4%
48	Chatham	14,388	2.3%
49	Hainesville	3,545	-0.1%
50	Hamel	935	1.4%
51	Antioch	14,633	0.1%
52	Shiloh	14,093	1.1%
53	Sherman	4,667	1.2%
54	Ringwood	837	0.0%
55	Damiansville	568	1.5%
56	Downs	1,186	1.7%
57	Mascoutah	8,730	1.6%
58	Forsyth	3,715	0.6%
59	Crest Hill	20,389	-0.2%
60	Essex	824	0.3%
61	Windsor	1,070	–
62	Sycamore	18,487	0.5%
63	Germantown Hills	3,400	-0.1%
64	New Lenox	27,257	1.1%
65	Hawthorn Woods	9,101	1.7%
66	Dieterich	889	3.7%
67	Hanaford	315	-0.4%
68	South Beloit	7,971	0.1%
69	Matteson	19,010	0.0%
70	Wauconda	14,077	0.3%
71	New Milford	790	1.3%
72	O'Fallon	32,334	1.3%
73	South Elgin	23,839	0.8%
74	Rockton	7,824	0.2%
75	Mettawa	533	-0.3%
76	Metamora	3,895	0.7%
77	St. Jacob	1,374	2.3%
78	Lake Villa	8,735	-0.0%
79	Ohlman	110	-2.0%
80	Beach Park	14,253	0.4%
81	Kirkland	1,641	-0.6%
82	Joliet	150,199	0.2%
83	West Dundee	7,841	0.7%
84	Mechanicsburg	659	1.1%
85	Manteno	9,013	-0.2%
86	Columbia	11,008	1.3%
87	Millstadt	4,070	0.1%
88	Wonder Lake	3,969	-0.1%
89	Spring Grove	5,487	-0.5%
90	Washington	16,046	0.6%
91	Spaulding	796	-0.9%
92	Mokena	19,863	0.6%
93	North Utica	1,313	-0.3%
94	Thomson	753	2.5%
95	Elwood	2,224	-0.2%
96	Waterloo	10,992	1.1%
97	Goodfield	935	0.8%
98	South Barrington	5,059	1.0%
99	Kappa	230	0.1%
100	Rochester	3,853	0.4%

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