ZIP Code 61261 – Lyndon, Illinois | ZipsCode.us
Home / Illinois ZIP Codes / ZIP Code 61261
ZIP Code 61261
Lyndon, Illinois · Whiteside
ZIP code 61261 belongs to the city of Lyndon in Illinois (Whiteside). See all Illinois ZIP Codes.
ZIP code 61261 belongs to Lyndon, Illinois, in Whiteside. If you are mailing a letter or package to this area, use Lyndon, IL 61261 in the address. On this page you will find the city and county for 61261, nearby ZIP codes in the same county, and free tools to look up any address in this ZIP code.
What City Is ZIP Code 61261?
The city for ZIP code 61261 is Lyndon, Illinois. When you write an address in this area, the correct format is: Name, Street Address, Lyndon, IL 61261.
ZIP Code 61261 County and State
ZIP code 61261 is located in Whiteside, Illinois. For a complete list of cities and ZIP codes across the state, see the Illinois ZIP Codes page.
Nearby ZIP Codes in Whiteside
These ZIP codes are in the same county as 61261:
ZIP Code 61261 on the Map
The map below shows the approximate center of ZIP code 61261, near Lyndon, Illinois. You can zoom in and drag the map to explore the area.
Map center is approximate (ZIP area center, around 41.7199, -89.9169). Map data © OpenStreetMap.
Population and Demographics of ZIP Code 61261
According to public U.S. Census Bureau data, ZIP code 61261 is home to a community in Illinois. The figures below come from the U.S. Census and the American Community Survey (ACS).
Source: U.S. Census Bureau, American Community Survey (ACS) 2023 5-year estimates and 2023 Gazetteer. Figures are estimates and change with each new survey.
Find an Address in ZIP Code 61261
Need the full ZIP+4 code for a specific street address in Lyndon? Use the free ZIP+4 Lookup tool, or find any ZIP code from a street address with the ZIP Code by Address tool.
Frequently Asked Questions
What city is ZIP code 61261?
ZIP code 61261 is for Lyndon, Illinois.
What county is ZIP code 61261 in?
ZIP code 61261 is in Whiteside, Illinois.
What state is ZIP code 61261 in?
ZIP code 61261 is in Illinois (IL).
How do I find the ZIP+4 for an address in 61261?
Use the free ZIP+4 Lookup tool with the full street address to get the complete 9-digit ZIP code.
What are the nearby ZIP codes to 61261?
Nearby ZIP codes include 61037 (Galt), 61071 (Rock Falls), 61081 (Sterling), 61230 (Albany), 61243 (Deer Grove).
Related ZIP Code Tools
Find the ZIP code for any U.S. street address.
See which city and county any ZIP code belongs to.
Get the full 9-digit ZIP code for precise delivery.
Track packages sent to or from any U.S. address.
Search any U.S. ZIP code, city or address — free.