| City: | Manlius, Illinois |
| County: | Bureau County |
| Timezone: | Central (GMT -06:00) |
| Local Time: | 8:10:56 AM |
| Population: | 345 [See All] |
| Area Codes: | 779 / 815 |
| Classification: | PO Box |
| Coordinates: | 41.4538, -89.6658 |
| Land Area: | 6.673 sq mi |
| Quick Link: |
Manlius is a small village in Bureau County, Illinois, where all 345 residents receive mail exclusively through PO Boxes. This is a PO Box Only Zone. There's no alternative mail delivery across the 0.28 square mile village, despite rural carrier routes serving the surrounding area.
The Manlius post office maintains 144 PO Boxes for 158 occupied homes. That's an adoption rate of 91%, meaning nearly every household relies on a PO Box. Rural carriers deliver to two routes covering addresses on streets like E Maple Ave, N Main St, and S 4th St, but within the village itself, PO Box pickup is the only option.
Manlius has the street grid of an established town. Numbered streets (1st through 4th) run north-south, while named streets include Maple Ave, Oak St, Pine St, and Elm St. The compact 0.28 square mile footprint contains 182 total housing units, with 78% owner-occupied and just 24 vacant units.
The village population of 345 includes 158 households, with a median age of 44.3 years. This isn't a retirement community or college town. It's working-age residents. Median household income is $67,813, above Illinois rural averages. Notably, 43.4% of workers work from home, suggesting remote workers and self-employed residents who value small-town life.
All mail to Manlius must be addressed to a PO Box:
[Name]
PO Box [Number]
Manlius, IL 61338Street names follow a classic small-town pattern: numbered streets (1st-4th) and nature names (Maple, Oak, Pine, Elm).
ZIP Code 61338 has 345 residents and 158 households (average 2.18 persons per household). The median age is 44.3 years, older than the state (38.8) and older than the nation (38.8). The gender split is 51.0% male and 49.0% female, which is slightly higher than the state male share (49.0%), making this a male-majority area. Largest groups are White (93.6%, much higher than the state average of 61.4% and well above the national average of 61.6%) and Hispanic or Latino (1.7%); Hispanic or Latino residents make up 1.7%, which is much lower than the national average (18.7%).
Explore More:Population Over TimeBy Age & GenderBy RaceBy GenderNativity & Citizenship
| 2020 Population: | 345Source: Census DHC |
| 2024 ACS Population Estimate: | 299Source: Census ACS |
| 2026 ZC Population Estimate: | 0Source: ZIP-Codes.com |
| Population Density: | 51.7 people per sq mile |
| Average Income: | $75,750Source: Census ACS |
| Households: | 158Source: Census DHC |
| Average House Value: | $92,200Source: Census ACS |
| Persons Per Household: | 2.18Source: Census DHC |
| Average Family Size: | 3.49Source: Census ACS |
| Group | 2010 | 2011 | 2102 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Census ACS Population Estimate | -- | 345 | 267 | 298 | 330 | 347 | 313 | 292 | 257 | 226 | 201 | 219 | 238 | 295 | 299 |
| Decennial Census | 284 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 345 | -- | -- | -- | -- |
Median Age: 44.3
Male Median Age: 43
Female Median Age: 45.5
| Group | < 5 | 5-9 | 10-14 | 15-19 | 20-24 | 25-29 | 30-34 | 35-39 | 40-44 | 45-49 | 50-54 | 55-59 | 60-64 | 65-69 | 70-74 | 75-79 | 80-84 | 85+ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Male | 6 | 14 | 13 | 11 | 6 | 13 | 11 | 10 | 9 | 6 | 16 | 12 | 17 | 9 | 6 | 8 | 3 | 6 |
| Female | 15 | 6 | 11 | 5 | 5 | 12 | 10 | 11 | 8 | 11 | 14 | 11 | 17 | 11 | 1 | 9 | 7 | 5 |
| Total | 21 | 20 | 24 | 16 | 11 | 25 | 21 | 21 | 17 | 17 | 30 | 23 | 34 | 20 | 7 | 17 | 10 | 11 |
| White: | 323 | 97.00% |
| Black: | 0 | 0% |
| Hispanic:* | 6 | 1.80% |
| Asian: | 1 | 0.30% |
| American Indian: | 0 | 0% |
| Hawaiian: | 0 | 0% |
| Other: | 3 | 0.90% |
| Total: | 333 | 100% |
| Gender | Count | % | Median Age |
|---|---|---|---|
| Males: | 176 | 51.01% | 43.0 years |
| Females: | 169 | 48.99% | 45.5 years |
| Total: | 345 | 100% | 44.3 years |
| Native, born in the United States: | 299 | 100.00% |
| Native, born in PR, Island Areas, or abroad: | 0 | 0.00% |
| Foreign born, naturalized U.S. citizen: | 0 | 0.00% |
| Foreign born, not a U.S. citizen: | 0 | 0.00% |
| Total Population: | 299 | 100% |
| Total Native Population: | 299 | 100.00% |
| Total Foreign-born Population: | 0 | 0.00% |
In 2024, the Median household income is $75,750, which is falls short of the national median ($80,734), is up $45,889 (153.7%) since 2011 and above its 2019 pre-pandemic level by $29,083. Family households earn a median of $76,806 versus $67,188 for nonfamily households (a difference of $9,618). By gender, male median income is $63,000 and female is $42,083, which is far less than the national female median ($55,274), with a current gap of $20,917 that has narrowed from 2011 to 2024. The labor-force participation rate is 64.4%, which is about the same as the national rate (63.5%). The unemployment rate is 3.7%, which is lower than the national rate (5.2%). The largest occupation group is Management (32.9%).
Explore More:Income Over TimeHousehold IncomeEmployment StatusBy Occupation
| Income Type | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Median Household Income | $29,861 | $40,625 | $28,594 | $40,313 | $29,531 | $43,750 | $47,750 | $52,000 | $46,667 | $46,000 | $46,875 | $61,375 | $67,813 | $75,750 |
| Median Family Income | $43,542 | $48,750 | $29,375 | $45,714 | $31,964 | $53,750 | $56,750 | $61,250 | $52,250 | $52,083 | $55,625 | $81,563 | $73,611 | $76,806 |
| Median NonFamily Income | $12,500 | $19,821 | $21,250 | $24,000 | $24,500 | $24,886 | $27,500 | $35,625 | $32,708 | $34,531 | $36,667 | $43,750 | $56,250 | $67,188 |
| Median Male Income | $41,250 | $43,750 | $33,750 | $43,125 | $0 | $55,714 | $58,214 | $57,750 | $51,000 | $32,813 | $38,472 | $54,063 | $60,536 | $63,000 |
| Median Female Income | $17,125 | $17,125 | $30,000 | $35,500 | $0 | $47,500 | $42,500 | $39,464 | $38,333 | $39,375 | $46,250 | $35,714 | $38,958 | $42,083 |
| Employed: | 155 | 62.00% |
| Unemployed: | 6 | 2.40% |
| Not In Labor Force: | 89 | 35.60% |
| Total: | 250 | 100% |
| Management, business, science, and arts: | 51 | 32.90% |
| Service: | 6 | 3.87% |
| Sales and Office: | 32 | 20.65% |
| Natural resources, construction, and maintenance: | 15 | 9.68% |
| Production, transportation, and material moving: | 51 | 32.90% |
| Total Civilian Employed Population: | 155 | 100% |
In 2024, the median home value is $92,200, which is far less than the national median ($332,700), is up $16,700 (22.12%) since 2011 and above its 2019 pre-pandemic level by $11,000. The median gross rent is $1,029, which is much lower than the national median ($1,413), is up $584 (131.24%) since 2011 and above its 2019 pre-pandemic level by $441. Of occupied housing, owners make up 83.33% (38.26% with a mortgage, 61.74% free-and-clear) and renters 16.67% - making this ZIP Code under national rental averages. The vacancy rate is 22.47%, which is much higher than the national rate (10.12%).
Explore More:Compare Home ValueHome Value Over TimeRent & Over TimeHousing Occupancy
| Group | 2011 | 2102 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Median Home Value | $75,500 | $76,000 | $80,200 | $73,900 | $74,000 | $76,300 | $79,700 | $77,100 | $81,200 | $83,600 | $85,600 | $89,000 | $90,300 | $92,200 |
| Less than $500: | 0 | 0.00% |
| $500 to $999: | 10 | 43.48% |
| $1,000 to $1,499: | 13 | 56.52% |
| $1,500 to $1,999: | 0 | 0.00% |
| $2,000 to $2,499: | 0 | 0.00% |
| $2,500 to $2,999: | 0 | 0.00% |
| $3,000 or more: | 0 | 0.00% |
| No Rent: | 0 | 0.00% |
| Total: | 23 | 100% |
| Group | 2011 | 2102 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Median Rent | $445 | $657 | $680 | $663 | $588 | $608 | $635 | $621 | $588 | $625 | $650 | $744 | $760 | $1,029 |
| Owner Occupied (with mortgage): | 44 | 31.88% |
| Owner Occupied (free and clear, no mortgage): | 71 | 51.45% |
| Renter Occupied: | 23 | 16.67% |
| Total Occupied Housing Units: | 138 | 100% |
| Occupied Housing Units: | 138 | 77.53% |
| Vacant Housing Units (not graphed): | 40 | 22.47% |
| Total Housing Units: | 178 | 100% |
| Single-Family Units: | 157 | 88.20% |
| Multi-Family Units: | 11 | 6.18% |
| Other Units: | 10 | 5.62% |
| Total Housing Units: | 178 | 100% |
In 2024, 23.80% 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 97.90%, which is far higher than the national rate (89.60%). The uninsured rate is 0.70%, which is far lower than the national rate (8.40%). The share of people in poverty is 2.70%, which is comparable to the national rate (8.80%), down 21.60 percentage points since 2011 and below its 2019 pre-pandemic level by 7.80 percentage points. This points to a pronounced improvement in local conditions - rising incomes, firmer consumer demand, and a stronger tax base. Among residents ages 3+, the largest enrollment group is elementary (33.96%). College enrollment is 28.30%, which is comparable to the national rate (26.70%), meaning the community mirrors broader higher-education participation.
Explore More:Educational AttainmentHealth InsurancePoverty Over TimeSchool Enrollment
| Less than 9th grade: | 0 | 0.00% |
| 9th to 12th grade, no diploma: | 5 | 2.09% |
| High school graduate (includes equivalency): | 94 | 39.33% |
| Some college, no degree: | 67 | 28.03% |
| Associate's degree: | 16 | 6.69% |
| Bachelor's degree: | 35 | 14.64% |
| Graduate or professional degree: | 22 | 9.21% |
| Total: | 239 | 100% |
| High school or higher: | 234 | 97.91% |
| Bachelor's degree or higher: | 57 | 23.85% |
| Private Insurance: | 231 | 69.16% |
| Public Insurance: | 101 | 30.24% |
| No Insurance: | 2 | 0.60% |
| Total: | 334 | 100% |
| Has Health Insurance: | 332 | 99.40% |
| Group | 2011 | 2102 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| % of People in Poverty | 23.0% | 29.3% | 30.5% | 22.8% | 29.2% | 19.8% | 10.6% | 9.5% | 9.2% | 5.1% | 0.0% | 0.0% | 1.4% | 2.7% |
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.
| Nursery School, Preschool: | 12 | 22.64% |
| Kindergarten: | 0 | 0.00% |
| Elementary school (grades 1-8): | 18 | 33.96% |
| High school (grades 9-12): | 8 | 15.09% |
| College or graduate school: | 15 | 28.30% |
| Total: | 53 | 100% |
| Early Childhood: | 12 | 22.64% |
| K-12 (Primary & Secondary School): | 26 | 49.06% |
ZIP Code 61338 supports both business and residential activity. According to the Business Census (2024), there are 7 business establishments, employing about 56 people with an annual payroll of $3,805,000.
| # Residential Mailboxes: | 0Source: USPS |
| # Business Mailboxes: | 0Source: USPS |
| Total Delivery Receptacles: | 168Source: USPS |
| Single Family Delivery Units: | 0Source: USPS |
| Multi Family Delivery Units: | 0Source: USPS |
| # of Businesses: | 7Source: CBP |
| 1st Quarter Payroll: | $860,000Source: CBP |
| Annual Payroll: | $3,805,000Source: CBP |
| # of Employees: | 56Source: CBP |
ZIP Code 61338 is located in Bureau County, Illinois, within the Ottawa, IL Metropolitan Statistical Area (CBSA 36837) and Illinois's 16th Congressional District. This Micro area has a population of 0 people, about 0.00% of whom live in ZIP Code 61338. It covers 6.673 sq mi of land and a water area of 0 sq mi.
| CBSA Name: | Ottawa, ILSource: Census |
| CBSA Number: | 36837Source: Census |
| CBSA Type: | MicroSource: Census |
| CBSA Division: | --Source: Census |
| CBSA Population: | 0Source: Census |
| MSA: | Source: Census |
| Land Area: | 6.673 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: | 1746422Source: Census |
| Place Name: | Manlius village; IllinoisSource: Census |
ZIP Code 61338 is in the Bureau Valley Community Unit School District 340, which serves grades Pre-Kindergarten thru 12th. There are 1 public school(s) in this ZIP Code, and we have located 3 private school(s). It also has 6 colleges, universities or post secondary education institutions nearby which would be a short commute to.
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.