MONMOUTH, IL ZIP Code
| City | MONMOUTH | 
| State | Illinois | 
| ZIP Codes count | 1 (see all) | 
| Post offices count | 1 (see all) | 
| Total population | 9,189 (see all) | 
ZIP Code in MONMOUTH, Illinois
61462
This list contains only 5-digit ZIP codes. Use our zip code lookup by address feature to get the full 9-digit (ZIP+4) code.
List of MONMOUTH, IL ZIP Codes
| ZIP | TYPE | POPU | 
|---|---|---|
| 61462 | STANDARD | 11,035 | 
Post offices
| MONMOUTH — Post Office™ 235 S 1ST ST MONMOUTH, IL 61462-9998 | 
Envelope example
On the bottom center of the envelope, write the address you want your letter delivered to. Include the following on separate lines:
- Recipient's full name
- Full street address
- City, State, and ZIP Code
Using the same format, write the return address in the top left corner.
Using the full ZIP+4 Code when mailing via the USPS ensures the fastest, most accurate mailing possible. If you are not sure of the full 9-digit ZIP Code, use the 5-digit ZIP Code to avoid loss of letter or package.

The recipient address information is provided for your reference.
Address example
1420 90TH ST
MONMOUTH IL 61462-8811
MONMOUTH IL 61462-8811
495 N A ST
MONMOUTH IL 61462-1725
MONMOUTH IL 61462-1725
538 N D ST
MONMOUTH IL 61462-1126
MONMOUTH IL 61462-1126
1213 N PARK CIR
MONMOUTH IL 61462-9695
MONMOUTH IL 61462-9695
221 S I ST
MONMOUTH IL 61462-2067
MONMOUTH IL 61462-2067
567 W 13TH AVE
MONMOUTH IL 61462-25ND
MONMOUTH IL 61462-25ND
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Census data for MONMOUTH, IL
Demographic and housing estimates in MONMOUTH, IL
| Total population | 9,189 | 
| Male | 4,251 | 
| Female | 4,938 | 
| Total population | 9,189 | 
| Under 5 years | 624 | 
| 5 to 9 years | 588 | 
| 10 to 14 years | 537 | 
| 15 to 19 years | 1,047 | 
| 20 to 24 years | 941 | 
| 25 to 34 years | 978 | 
| 35 to 44 years | 1,098 | 
| 45 to 54 years | 863 | 
| 55 to 59 years | 636 | 
| 60 to 64 years | 389 | 
| 65 to 74 years | 775 | 
| 75 to 84 years | 535 | 
| 85 years and over | 178 | 
| Median age (years) | 34.1 | 
| Under 18 years | 2,128 | 
| 16 years and over | 7,285 | 
| 18 years and over | 7,061 | 
| 21 years and over | 6,069 | 
| 62 years and over | 1,693 | 
| 65 years and over | 1,488 | 
| Total population | 9,189 | 
| One race | 8,940 | 
| White | 7,401 | 
| Black or African American | 411 | 
| American Indian and Alaska Native | 29 | 
| Asian | 395 | 
| Native Hawaiian and Other Pacific Islander | 0 | 
| Some other race | 704 | 
| Two or more races | 249 | 
| Citizen, VOTING AGE 18 and over population | 6,468 | 
| Male Citizen, VOTING AGE 18 and over population | 3,034 | 
| Female Citizen, VOTING AGE 18 and over population | 3,434 | 
Social characteristics in MONMOUTH, IL
| Total households | 3,494 | 
| Family households (families) | 2,206 | 
| Married-couple family | 1,439 | 
| Male householder, no wife present, family | 178 | 
| Female householder, no husband present, family | 589 | 
| Nonfamily households | 1,288 | 
| Average household size | 2.32 | 
| Average family size | 2.94 | 
Economic characteristics in MONMOUTH, IL
| Total households | 3,494 | 
| Less than $10,000 | 342 | 
| $10,000 to $14,999 | 156 | 
| $15,000 to $24,999 | 460 | 
| $25,000 to $34,999 | 334 | 
| $35,000 to $49,999 | 801 | 
| $50,000 to $74,999 | 652 | 
| $75,000 to $99,999 | 320 | 
| $100,000 to $149,999 | 314 | 
| $150,000 to $199,999 | 26 | 
| $200,000 or more | 89 | 
| Median household income (dollars) | 40,781 | 
Housing characteristics in MONMOUTH, IL
| Total housing units | 3,913 | 
| Occupied housing units | 3,494 | 
| Vacant housing units | 419 | 
| Total housing units | 3,913 | 
| 1-unit, detached | 2,841 | 
| 1-unit, attached | 133 | 
| 2 units | 139 | 
| 3 or 4 units | 264 | 
| 5 to 9 units | 138 | 
| 10 to 19 units | 12 | 
| 20 or more units | 218 | 
| Mobile home | 168 | 
| Boat, RV, van, etc. | 0 | 
| Total housing units | 3,913 | 
| Built 2014 or later | 0 | 
| Built 2010 to 2013 | 0 | 
| Built 2000 to 2009 | 215 | 
| Built 1990 to 1999 | 125 | 
| Built 1980 to 1989 | 133 | 
| Built 1970 to 1979 | 527 | 
| Built 1960 to 1969 | 219 | 
| Built 1950 to 1959 | 570 | 
| Built 1940 to 1949 | 470 | 
| Built 1939 or earlier | 1,654 | 
| Total housing units | 3,913 | 
| 1 room | 275 | 
| 2 rooms | 56 | 
| 3 rooms | 241 | 
| 4 rooms | 723 | 
| 5 rooms | 733 | 
| 6 rooms | 842 | 
| 7 rooms | 524 | 
| 8 rooms | 237 | 
| 9 rooms or more | 282 | 
| Median rooms | 5.4 | 
| Total housing units | 3,913 | 
| No bedroom | 289 | 
| 1 bedroom | 417 | 
| 2 bedrooms | 1,315 | 
| 3 bedrooms | 1,379 | 
| 4 bedrooms | 445 | 
| 5 or more bedrooms | 68 | 
| Occupied housing units | 3,494 | 
| Owner-occupied | 2,346 | 
| Renter-occupied | 1,148 | 
| Average household size of owner-occupied unit | 2.44 | 
| Average household size of renter-occupied unit | 2.06 | 
| Occupied housing units | 3,494 | 
| Moved in 2017 or later | 127 | 
| Moved in 2015 to 2016 | 371 | 
| Moved in 2010 to 2014 | 1,127 | 
| Moved in 2000 to 2009 | 877 | 
| Moved in 1990 to 1999 | 535 | 
| Moved in 1989 and earlier | 457 | 
| Owner-occupied units | 2,346 | 
| Less than $50,000 | 593 | 
| $50,000 to $99,999 | 1,083 | 
| $100,000 to $149,999 | 387 | 
| $150,000 to $199,999 | 188 | 
| $200,000 to $299,999 | 72 | 
| $300,000 to $499,999 | 14 | 
| $500,000 to $999,999 | 0 | 
| $1,000,000 or more | 9 | 
| Median (dollars) | 73,500 | 
| Owner-occupied units | 2,346 | 
| Housing units with a mortgage | 1,217 | 
| Housing units without a mortgage | 1,129 | 
| Occupied units paying rent | 1,093 | 
| Less than $500 | 319 | 
| $500 to $999 | 670 | 
| $1,000 to $1,499 | 93 | 
| $1,500 to $1,999 | 0 | 
| $2,000 to $2,499 | 0 | 
| $2,500 to $2,999 | 0 | 
| $3,000 or more | 11 | 
| Median (dollars) | 642 | 
| No rent paid | 55 | 
Data is based on 2018 Census
ZIP Codes for other locations
State for MONMOUTH
Illinois ZIP CodesOther cities in Illinois