ZIP Code 61091 in Woosung, IL

Data Last Updated: March 1, 2026
City:Woosung, Illinois
County:Ogle County
Timezone:Central (GMT -06:00)
Local Time:8:09:36 AM
Population:93 [See All]
Area Codes:779 / 815
Classification:PO Box
Coordinates:41.9061, -89.5421
Land Area:2.523 sq mi
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61091 Woosung, IL - A Tiny Rural Community

ZIP Code 61091, Woosung

Retirement
LocationOgle County, IL
Area0.8 sq mi
Population93
Households52
PO Boxes37 (71% adoption)
Median Age51.8 years
ZIP CreatedBefore Oct 2004
Key Facts
  • This is a PO Box Only Zone with no alternative mail delivery across 0.79 square miles
  • The post office maintains 37 PO Boxes for the community's 52 households (71% adoption rate)
  • With a median age of 51.8 years and 1.8 people per household, Woosung has an aging population of singles and couples
  • Mobile homes make up 68% of the housing stock (36 of 53 total units)
  • Despite being classified as PO Box only, 2 rural carrier routes do serve some homes directly

Community Overview

Woosung is a tiny rural community in Ogle County, Illinois, with just 93 residents across 52 households. The median age of 51.8 years and small household size of 1.8 people per home suggest an aging population of singles and couples. This isn't a growing town.

Postal Services

This is a PO Box Only Zone, meaning there's no alternative mail delivery across the compact 0.79 square mile territory. The Woosung post office maintains 37 PO Boxes for the 52 households, giving a 71% adoption rate. However, rural carrier routes do serve some homes directly (2 rural routes operate here), so not everyone requires a box. General Delivery is also available for those without a permanent address.

Local Character

The housing stock tells the story of an old farming community. Of the 53 total housing units, 36 are mobile homes (68%). Another 36 homes were built before 1939. Homeownership is high: 43 of the 52 occupied homes are owner-occupied (83%), with just 9 renter-occupied units. One home sits vacant.

The street layout is minimal. Griswold Street is the main thoroughfare with 6 delivery points, including some apartments. Central Street, Canton Street, and six other streets make up the rest of the tiny grid. There are no business establishments or employees recorded in census data for this ZIP code. The population is 96% White (89 residents), with 17% identifying as Hispanic (16 residents).

Mailing Information

Woosung is classified as a PO Box Only Zone. While some homes receive rural carrier delivery, PO Boxes are the primary mail option. Address mail to:

PO Box [Number]
Woosung, IL 61091

For rural route delivery:

[Street Address]
Woosung, IL 61091

Street Name Patterns

Minimal Grid Historic Names

Nine streets form a minimal grid in this compact community, with Griswold Street as the main thoroughfare.

Interactive charts load automatically as you scroll. Hover for data, click to explore trends, and use the menu to export.

Population & Demographics


ZIP Code 61091 has 93 residents and 52 households (average 1.79 persons per household). The median age is 51.8 years, significantly older than the state (38.8) and significantly older than the nation (38.8). The gender split is 52.7% male and 47.3% female, which is higher than the state male share (49.0%), making this a male-majority area. Largest groups are White (95.7%, much higher than the state average of 61.4% and well above the national average of 61.6%) and Hispanic or Latino (1.1%); Hispanic or Latino residents make up 1.1%, which is much lower than the national average (18.7%).

Explore More:Population Over TimeBy Age & GenderBy RaceBy GenderNativity & Citizenship

Source: U.S. Census 2020 Demographics & Housing Characteristics (DHC) and U.S. Census 2011-2024 American Community Survey (ACS) 5-Year Estimates.
2020 Population:93Source: Census DHC
2024 ACS Population Estimate:248Source: Census ACS
2026 ZC Population Estimate:0Source: ZIP-Codes.com
Population Density:36.9 people per sq mile
Average Income:$0Source: Census ACS
Households:52Source: Census DHC
Average House Value:$666,666,666Source: Census ACS
Persons Per Household:1.79Source: Census DHC
Average Family Size:2.57Source: Census ACS

Population Over Time (with 2010 & 2020 Census Benchmarks)


Group201020112102201320142015201620172018201920202021202220232024
Census ACS Population Estimate--19103938273110614567671900248
Decennial Census63------------------93--------
Source: U.S. Census 2011-2024 American Community Survey 5-Year Estimates. DP05. DEMOGRAPHIC AND HOUSING ESTIMATES

Population by Age & Gender (Total, Male, Female)


Median Age: 51.8

Male Median Age: 45.8

Female Median Age: 52.5

Group< 55-910-1415-1920-2425-2930-3435-3940-4445-4950-5455-5960-6465-6970-7475-7980-8485+
Male0144048202110511510
Female342510110332365140
Total3569149305412876650
Source: U.S. Census Bureau (2020) Demographics & Housing Characteristics (DHC)

Population by Race


White:8997.80%
Black:00%
Hispanic:*11.10%
Asian:00%
American Indian:00%
Hawaiian:00%
Other:11.10%
Total:91100%
Source: U.S. Census Bureau (2020) Demographics & Housing Characteristics (DHC)
* NOTE: Hispanic or Latino is an ethnicity, not a race. This means individuals who identify as Hispanic will also be included in one of the race categories (such as White or Black). As a result, the totals shown here may exceed 100% when Hispanic is displayed alongside racial groups.

Gender Breakdown


GenderCount%Median Age
Males:4952.69%45.8 years
Females:4447.31%52.5 years
Total:93100%51.8 years
Source: U.S. Census Bureau (2020) Demographics & Housing Characteristics (DHC)

Nativity & Citizenship


Native, born in the United States:248100.00%
Native, born in PR, Island Areas, or abroad:00.00%
Foreign born, naturalized U.S. citizen:00.00%
Foreign born, not a U.S. citizen:00.00%
Total Population:248100%
Total Native Population:248100.00%
Total Foreign-born Population:00.00%
Source: U.S. Census 2020-2024 American Community Survey 5-Year Estimates. Table DP02. SELECTED SOCIAL CHARACTERISTICS
Note: Nativity and Citizenship derived from American Community Survey (ACS) 5-year estimates. Total Population listed here will not match official ZIP Code population totals, which are based on the Decennial Census.

Income & Employment


In 2024, the Median household income is $0, which is well under the national median ($80,734), and above its 2019 pre-pandemic level by $0. Family households earn a median of $0 versus $0 for nonfamily households (a difference of $0). By gender, male median income is $0 and female is $0, which is considerably lower than the national female median ($55,274), with a current gap of $0 that has stayed about the same from 2011 to 2024. The labor-force participation rate is 34.4%, which is markedly below the national rate (63.5%). The unemployment rate is 0.0%, which is considerably lower than the national rate (5.2%). The largest occupation group is Sales (100.0%).

Explore More:Income Over TimeHousehold IncomeEmployment StatusBy Occupation

Source: U.S. Census 2011-2024 American Community Survey 5-Year Estimates. Using data from Tables DP02, DP03, DP04 and DP05.

Median Income Over Time (Household, Family, Nonfamily, Male, Female)


Income Type20112012201320142015201620172018201920202021202220232024
Median Household Income$0$65,606$67,644$67,663$67,727$67,589$0$0$0$0$0$0$0$0
Median Family Income$0$65,606$68,077$68,152$68,239$0$0$0$0$0$0$0$0$0
Median NonFamily Income$0$0$0$0$0$0$0$0$0$0$0$0$0$0
Median Male Income$0$0$0$0$0$0$0$0$0$0$0$0$0$0
Median Female Income$0$25,964$0$0$0$0$0$0$0$0$0$0$0$0
Source: U.S. Census 2011-2024 American Community Survey 5-Year Estimates. DP03. SELECTED ECONOMIC CHARACTERISTICS

Average Household Income


Source: U.S. Census 2020-2024 American Community Survey 5-Year Estimates. Table DP03. SELECTED ECONOMIC CHARACTERISTICS

Employment Status


Employed:4334.40%
Unemployed:00.00%
Not In Labor Force:8265.60%
Total:125100%
Source: U.S. Census 2020-2024 American Community Survey 5-Year Estimates. Table DP03. SELECTED ECONOMIC CHARACTERISTICS

Employment by Occupation (Civilian Employed Population, 16 and Over)


Management, business, science, and arts:00.00%
Service:00.00%
Sales and Office:43100.00%
Natural resources, construction, and maintenance:00.00%
Production, transportation, and material moving:00.00%
Total Civilian Employed Population:43100%
Source: U.S. Census 2020-2024 American Community Survey 5-Year Estimates. Table DP03. SELECTED ECONOMIC CHARACTERISTICS.

Housing & Affordability


In 2024, the median home value is $0, which is much lower than the national median ($332,700), and above its 2019 pre-pandemic level by $0. The median gross rent is $0, which is well under the national median ($1,413), and above its 2019 pre-pandemic level by $0. Insufficient data for owner/renter mix. Insufficient data for vacancy rate.

Explore More:Compare Home ValueHome Value Over TimeRent & Over TimeHousing Occupancy

Source: U.S. Census 2011-2024 American Community Survey 5-Year Estimates. Using data from Table DP03, SELECTED ECONOMIC CHARACTERISTICS.

Median Home Value (Comparison)


Source: U.S. Census 2020-2024 American Community Survey 5-Year Estimates. Table DP04. SELECTED HOUSING CHARACTERISTICS

Median Home Value Over Time


Group20112102201320142015201620172018201920202021202220232024
Median Home Value$0$95,200$93,700$93,300$93,200$90,500$0$0$0$0$0$0$0$0
Source: U.S. Census 2011-2024 American Community Survey 5-Year Estimates. DP04. SELECTED HOUSING CHARACTERISTICS

Gross Rent Paid


Less than $500:00.00%
$500 to $999:00.00%
$1,000 to $1,499:00.00%
$1,500 to $1,999:43100.00%
$2,000 to $2,499:00.00%
$2,500 to $2,999:00.00%
$3,000 or more:00.00%
No Rent:00.00%
Total:43100%
Source: U.S. Census 2020-2024 American Community Survey 5-Year Estimates. Table DP04. SELECTED HOUSING CHARACTERISTICS

Median Gross Rent Over Time


Group20112102201320142015201620172018201920202021202220232024
Median Rent$0$0$0$0$0$0$0$0$0$0$0$0$0$0
Source: U.S. Census 2011-2024 American Community Survey 5-Year Estimates. DP04. SELECTED HOUSING CHARACTERISTICS

Housing Occupancy


Owner Occupied (with mortgage):00.00%
Owner Occupied (free and clear, no mortgage):00.00%
Renter Occupied:43100.00%
Total Occupied Housing Units:43100%

Occupied Housing Units:4355.13%
Vacant Housing Units (not graphed):3544.87%
Total Housing Units:78100%
Source: U.S. Census 2020-2024 American Community Survey 5-Year Estimates. Table DP04. SELECTED HOUSING CHARACTERISTICS

Housing Type (Single-Family, Multi-Family, Other)


Single-Family Units:4355.13%
Multi-Family Units:00.00%
Other Units:3544.87%
Total Housing Units:78100%
Source: U.S. Census 2020-2024 American Community Survey 5-Year Estimates. Table DP04. SELECTED HOUSING CHARACTERISTICS

Education, Health & Community


In 2024, 0.00% of adults (25+) have a bachelor's degree or higher, which is far lower than the national rate (35.70%). High school or higher is 100.00%, which is comparable to the national rate (89.60%). The uninsured rate is 0.00%, which is comparable to the national rate (8.40%). Private coverage is 100.00%, which is well above the national rate (67.10%). Public coverage is 100.00%, which is far higher than the national rate (36.70%). The share of people in poverty is 100.00%, which is far higher than the national rate (8.80%). Poverty has been broadly stable, which may reflect structural barriers or offsetting gains and setbacks. Among residents ages 3+, the largest enrollment group is college (40.00%). College enrollment is 40.00%, which is far higher than the national rate (26.70%), indicating the community is likely a college hub with student-driven housing and services.

Explore More:Educational AttainmentHealth InsurancePoverty Over TimeSchool Enrollment

Source: U.S. Census 2011-2024 American Community Survey 5-Year Estimates. Using data from Tables DP02 and DP03.

Educational Attainment of Adults (25 and Older)


Less than 9th grade:00.00%
9th to 12th grade, no diploma:00.00%
High school graduate (includes equivalency):4352.44%
Some college, no degree:3947.56%
Associate's degree:00.00%
Bachelor's degree:00.00%
Graduate or professional degree:00.00%
Total:82100%
High school or higher:82100.00%
Bachelor's degree or higher:00.00%
Source: U.S. Census 2020-2024 American Community Survey 5-Year Estimates. Table DP02. SELECTED SOCIAL CHARACTERISTICS

Health Insurance Coverage by Type (Private, Public, Uninsured)


Private Insurance:24850.00%
Public Insurance:24850.00%
No Insurance:00.00%
Total:496100%
Has Health Insurance:496100.00%
Source: U.S. Census 2020-2024 American Community Survey 5-Year Estimates. Table DP03. SELECTED ECONOMIC CHARACTERISTICS

Percentage of People in Poverty Over Time (2011-2024)


Group20112102201320142015201620172018201920202021202220232024
% of People in Poverty0.0%0.0%0.0%0.0%0.0%0.0%-666,666,666.0%-666,666,666.0%0.0%0.0%0.0%0.0%0.0%100.0%
Source: U.S. Census 2011-2024 American Community Survey 5-Year Estimates. DP03. SELECTED ECONOMIC CHARACTERISTICS

Note: Counts of Families & People in poverty are not published at the ZIP Code level due to small sample sizes. Percentages shown are survey estimates from the American Community Survey (ACS). They may differ from official poverty statistics. The U.S. Census Bureau defines poverty status by comparing a family's or individual's total income with federal poverty thresholds that vary by family size and composition.

School Enrollment by Education Level (Ages 3 and Older)


Nursery School, Preschool:00.00%
Kindergarten:00.00%
Elementary school (grades 1-8):8139.51%
High school (grades 9-12):4220.49%
College or graduate school:8240.00%
Total:205100%
Early Childhood:00.00%
K-12 (Primary & Secondary School):12360.00%
Source: U.S. Census 2020-2024 American Community Survey 5-Year Estimates. Table DP02. SELECTED SOCIAL CHARACTERISTICS

Business & Employment Statistics


ZIP Code 61091 is designated for PO Box delivery only; business establishment and employment data are not available.

# Residential Mailboxes:0Source: USPS
# Business Mailboxes:0Source: USPS
Total Delivery Receptacles:40Source: USPS
Single Family Delivery Units:0Source: USPS
Multi Family Delivery Units:0Source: USPS
# of Businesses:0Source: CBP
1st Quarter Payroll:$0Source: CBP
Annual Payroll:$0Source: CBP
# of Employees:0Source: CBP

Geography, Land Area, & Statistical Classifications


ZIP Code 61091 is located in Ogle County, Illinois, within the Rochelle, IL Metropolitan Statistical Area (CBSA 40300) and Illinois's 16th Congressional District. This Micro area has a population of 53,497 people, about 0.17% of whom live in ZIP Code 61091. It covers 2.523 sq mi of land and a water area of 0 sq mi.

CBSA Name:Rochelle, ILSource: Census
CBSA Number:40300Source: Census
CBSA Type:MicroSource: Census
CBSA Division:--Source: Census
CBSA Population:53,497Source: Census
MSA:Rockford, IL MSASource: Census
Land Area:2.523 sq miSource: Census
Water Area:--Source: Census
Congressional District:16Source: USPS
Congressional Land Area:7917.49 sq miSource: Census
PMSA:--Source: Census
Intro Date:< 2004-10Source: ZIP-Codes.com
Place FIPS Code:--Source: Census
Place Name:--Source: Census

Adjacent & Nearby ZIP Codes


61101 | | 61089

Schools in ZIP Code 61091


We could not locate which school district 61091 belongs to, but we will update this once new district data is released. There are no public schools nor private schools with a mailing address in this ZIP Code. Listing Nearby schools instead. It also has 6 colleges, universities or post secondary education institutions nearby which would be a short commute to.

Jefferson Elem School 800 4th Ave
Dixon, IL 61021
District: Dixon Unit School District 170Nearby
Dixon High School 300 Lincoln Statue Dr
Dixon, IL 61021
District: Dixon Unit School District 170Nearby
Lee Cty Sped-Life Skills (9-12 Gr 300 Lincoln Statue Dr
Dixon, IL 61021
District: UnknownNearby
Lee Cty Sped-Transitions 300 Lincoln Statue Dr
Dixon, IL 61021
District: UnknownNearby
Washington Elem School 703 E Morgan St
Dixon, IL 61021
District: Dixon Unit School District 170Nearby
St Anne School 1112 N Brinton Ave
Dixon, IL 61021
District: Private SchoolNearby
Christ Lutheran School 2000 18th Ave
Sterling, IL 61081
District: Private SchoolNearby
Newman Central Catholic High School 1101 W 23rd St
Sterling, IL 61081
District: Private SchoolNearby

Colleges & Post Secondary Schools near ZIP Code 61091


Sauk Valley Community College 173 Illinois Rt 2
Dixon, IL 61021-9112
Type: Post Secondary
Educators Of Beauty College Of Cosmetology-Sterling 211 E Third St
Sterling, IL 61081-3611
Type: Post Secondary
Morrison Institute Of Technology 701 Portland Ave
Morrison, IL 61270-2959
Type: Post Secondary
Highland Community College 2998 W Pearl City Rd
Freeport, IL 61032-9341
Type: Post Secondary
Columbia College - Freeport 2998 West Pearl City Road
Freeport, IL 61032-9341
Type: Post Secondary
Kishwaukee College 21193 Malta Rd
Malta, IL 60150-9699
Type: Post Secondary

Sources & References


Our sources include trusted federal and licensed data from the United States Postal Service, U.S. Census Bureau, U.S. Geological Survey, Centers for Medicare & Medicaid Services, and the National Center for Education Statistics, along with proprietary datasets created by ZIP-Codes.com. Data last updated on March 1, 2026.

  1. U.S. Postal Service [Last Updated: 3/1/2026], https://www.usps.com
  2. ZIP-Codes.com Proprietary Data Enhancements [Updated: 3/1/2026], https://www.zip-codes.com
  3. U.S. Census [Updated: Varies], https://www.census.gov
    • U.S. Census Office of Management and Budget [Updated: As Released]
    • U.S. Census 2020 Demographic & Housing Characteristics (DHC) [Decennial] [Updated: 5/25/2023]
    • U.S. Census 2011-2024 American Community Survey 5-year estimates (ACS) [Annually] [Updated: Annually, As Released]
    • U.S. Census Business Patterns (CBD) [Annually] [Updated: Annually, As Released]
    • U.S. Census American National Standards Institute (ANSI) [Updated: As Released]
  4. U.S. Geological Survey [Updated: Varies], https://www.usgs.gov
  5. Centers for Medicare & Medicaid Services [Updated: Annually, As Released], https://www.cms.gov
  6. National Center for Education Statistics [Updated: 3/1/2026], https://nces.ed.gov