What city is ZIP code 61091?

61091 is a Woosung, Illinois ZIP code.

What county is 61091 in?

ZIP code 61091 is in Ogle County, Illinois.

What time zone is ZIP code 61091 in?

61091 is in the Central Time zone (America/Chicago).

What area code is 61091?

Phone numbers in ZIP code 61091 use area codes 779 and 815.

What is the population of ZIP code 61091?

About 248 people live in ZIP code 61091, according to the Census Bureau’s American Community Survey (2020–2024).

Can I use 61091 for a street address?

No. 61091 is only for PO Boxes. Street addresses in Woosung use another ZIP code.

What ZIP codes are near 61091?

The nearest ZIP codes to 61091 are 61021 (Dixon, 4.7 miles), 61064 (Polo, 6.6 miles), 61057 (Nachusa, 9.2 miles) and 61081 (Sterling, 10.8 miles).

ZIP code 61091

Where is ZIP code 61091?

Woosung, Illinois

Ogle County · PO Box only ZIP code

ZIP code 61091 belongs to Woosung, Illinois in Ogle County. 61091 is a PO Box only ZIP code: it is used for post office boxes at the Woosung post office, not for street addresses. It is in the Central Time zone and uses area codes 779 and 815. About 248 people live in the 61091 area. The closest ZIP codes are 61021 (Dixon, 4.7 mi southeast), 61064 (Polo, 6.6 mi northwest) and 61057 (Nachusa, 9.2 mi southeast).

ZIP code	61091
Type	PO Box only (no street delivery)
Status	Active
City	Woosung
State	Illinois (IL)
County	Ogle County
Time zone	Central Time · now
Area codes	779, 815
Coordinates	41.9034, -89.5409 map
3-digit prefix	610

Population and income in 61091

Population	248 · lower than 90% of Illinois ZIP codes
People per square mile	98 · higher than 57% of Illinois ZIP codes
Median age	20 years · lower than 99% of Illinois ZIP codes
Men / women	36% / 65%
Income per person	$0
Below the poverty line	100%
Bachelor’s degree or higher	0.0% of adults 25+
Housing units	78
Households	43 (5.77 people on average)
Owners / renters	0.0% / 100%
Land area	2.52 sq mi

Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 61091. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.

ZIP codes near 61091

ZIP code	City	Distance	Type
61021	Dixon, IL	4.7 mi SE	Standard
61064	Polo, IL	6.6 mi NW	Standard
61057	Nachusa, IL	9.2 mi SE	PO Box only
61081	Sterling, IL	10.8 mi SW	Standard
61324	Eldena, IL	11.3 mi SE	PO Box only
61054	Mount Morris, IL	11.4 mi NE	Standard
61031	Franklin Grove, IL	11.9 mi E	Standard
61071	Rock Falls, IL	12.3 mi SW	Standard
61061	Oregon, IL	12.5 mi NE	Standard
61051	Milledgeville, IL	13.1 mi W	Standard
61037	Galt, IL	13.9 mi SW	PO Box only
61042	Harmon, IL	14.3 mi S	Standard

Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 61091 or measure the distance to another ZIP code.

How to address mail to 61091

JANE SMITH
PO BOX 123
WOOSUNG IL 61091

Put the city, the two-letter state code and the ZIP code on the last line. Adding the 4-digit ZIP+4 code (61091-XXXX) helps mail sort faster but isn’t required.

Questions

What city is ZIP code 61091?: 61091 is a Woosung, Illinois ZIP code.
What county is 61091 in?: ZIP code 61091 is in Ogle County, Illinois.
What time zone is ZIP code 61091 in?: 61091 is in the Central Time zone (America/Chicago).
What area code is 61091?: Phone numbers in ZIP code 61091 use area codes 779 and 815.
What is the population of ZIP code 61091?: About 248 people live in ZIP code 61091, according to the Census Bureau’s American Community Survey (2020–2024).
Can I use 61091 for a street address?: No. 61091 is only for PO Boxes. Street addresses in Woosung use another ZIP code.
What ZIP codes are near 61091?: The nearest ZIP codes to 61091 are 61021 (Dixon, 4.7 miles), 61064 (Polo, 6.6 miles), 61057 (Nachusa, 9.2 miles) and 61081 (Sterling, 10.8 miles).