LaSalle County ZIP Codes

List of ZIP Codes in LaSalle County

The following table lists ZIP Codes associated with LaSalle County, Illinois, based on ZIP Code Tabulation Area (ZCTA) data from the U.S. Census Bureau.

S.N.	Zip Code	Latitude	Longitude	City	Population	Density
1	60470	41.16592	-88.63876	Ransom	410	3.7
2	60518	41.59997	-88.92215	Earlville	3,576	10.4
3	60531	41.61563	-88.78639	Leland	2,170	13.6
4	60537	41.56158	-88.60246	Millington	671	313.6
5	60549	41.4908	-88.74251	Serena	836	13.6
6	60551	41.52463	-88.68992	Sheridan	4,984	32.4
7	60557	41.44383	-88.76654	Wedron	129	56.7
8	61301	41.39368	-89.07827	La Salle	10,312	94.2
9	61316	41.25718	-89.12538	Cedar Point	212	63.6
10	61321	40.96754	-88.97621	Dana	232	3.1
11	61325	41.23673	-88.80973	Grand Ridge	1,131	9.3
12	61332	41.18884	-88.98456	Leonore	150	78.0
13	61334	41.14731	-89.09935	Lostant	620	6.1
14	61341	41.34015	-88.69246	Marseilles	7,249	30.5
15	61342	41.54089	-89.0938	Mendota	8,373	29.9
16	61348	41.2812	-89.03685	Oglesby	4,397	43.2
17	61350	41.37152	-88.86157	Ottawa	23,999	60.7
18	61354	41.33158	-89.14281	Peru	10,366	94.0
19	61358	40.98166	-89.04299	Rutland	385	6.3
20	61360	41.33439	-88.60522	Seneca	3,320	27.0
21	61364	41.12822	-88.85097	Streator	18,236	44.8
22	61370	41.20854	-89.03476	Tonica	1,250	10.8
23	61371	41.49936	-89.01986	Triumph	75	194.5
24	61372	41.46582	-89.08239	Troy Grove	269	164.4
25	61373	41.4004	-88.99456	Utica	2,120	17.4
26	61377	41.05847	-89.04444	Wenona	1,458	11.0

About LaSalle County ZIP Codes

LaSalle County in Illinois (IL) is served by approximately 26 ZIP Codes. These codes cover residential neighborhoods, business districts, and rural areas that fall under the county's jurisdiction.

Based on ZIP-level population estimates, the total population covered by these ZIP Codes is around 106,930 people. Population and density values vary from one ZIP Code to another, reflecting the mix of dense urban communities and lower-density suburban or rural zones.

Many of the most significant population centers in LaSalle County are located in cities such as Ottawa, Streator, Peru, La Salle, Mendota. These cities and towns help define the economic and demographic character of the county.

Most ZIP Codes in LaSalle County, Illinois follow the America/Chicago time zone.

LaSalle County ZIP Codes

List of ZIP Codes in LaSalle County

About LaSalle County ZIP Codes

Illinois Counties ZIP Codes

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