FARMINGTON, IL ZIP Code
| City | FARMINGTON | 
| State | Illinois | 
| ZIP Codes count | 1 (see all) | 
| Post offices count | 1 (see all) | 
| Total population | 2,454 (see all) | 
ZIP Code in FARMINGTON, Illinois
61531
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 FARMINGTON, IL ZIP Codes
| ZIP | TYPE | POPU | 
|---|---|---|
| 61531 | STANDARD | 3,100 | 
Post offices
| FARMINGTON — Post Office™ 67 W FORT ST FARMINGTON, IL 61531-1296 | 
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
513 E VINE ST
FARMINGTON IL 61531-1457
FARMINGTON IL 61531-1457
524 IDLEWHILE CT
FARMINGTON IL 61531-1423
FARMINGTON IL 61531-1423
34829 N DIAMOND POINT RD
FARMINGTON IL 61531-9465
FARMINGTON IL 61531-9465
38 N HEDDEN AVE
FARMINGTON IL 61531-9403
FARMINGTON IL 61531-9403
542 W COTTONWOOD ST
FARMINGTON IL 61531-1110
FARMINGTON IL 61531-1110
24109 W FARMINGTON RD
FARMINGTON IL 61531-9490
FARMINGTON IL 61531-9490
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Census data for FARMINGTON, IL
Demographic and housing estimates in FARMINGTON, IL
| Total population | 2,454 | 
| Male | 1,262 | 
| Female | 1,192 | 
| Total population | 2,454 | 
| Under 5 years | 119 | 
| 5 to 9 years | 147 | 
| 10 to 14 years | 262 | 
| 15 to 19 years | 128 | 
| 20 to 24 years | 190 | 
| 25 to 34 years | 288 | 
| 35 to 44 years | 238 | 
| 45 to 54 years | 350 | 
| 55 to 59 years | 176 | 
| 60 to 64 years | 182 | 
| 65 to 74 years | 206 | 
| 75 to 84 years | 123 | 
| 85 years and over | 45 | 
| Median age (years) | 39.4 | 
| Under 18 years | 608 | 
| 16 years and over | 1,897 | 
| 18 years and over | 1,846 | 
| 21 years and over | 1,771 | 
| 62 years and over | 496 | 
| 65 years and over | 374 | 
| Total population | 2,454 | 
| One race | 2,411 | 
| White | 2,365 | 
| Black or African American | 0 | 
| American Indian and Alaska Native | 38 | 
| Asian | 0 | 
| Native Hawaiian and Other Pacific Islander | 0 | 
| Some other race | 8 | 
| Two or more races | 43 | 
| Citizen, VOTING AGE 18 and over population | 1,846 | 
| Male Citizen, VOTING AGE 18 and over population | 904 | 
| Female Citizen, VOTING AGE 18 and over population | 942 | 
Social characteristics in FARMINGTON, IL
| Total households | 992 | 
| Family households (families) | 664 | 
| Married-couple family | 494 | 
| Male householder, no wife present, family | 42 | 
| Female householder, no husband present, family | 128 | 
| Nonfamily households | 328 | 
| Average household size | 2.47 | 
| Average family size | 3.03 | 
Economic characteristics in FARMINGTON, IL
| Total households | 992 | 
| Less than $10,000 | 85 | 
| $10,000 to $14,999 | 16 | 
| $15,000 to $24,999 | 109 | 
| $25,000 to $34,999 | 113 | 
| $35,000 to $49,999 | 141 | 
| $50,000 to $74,999 | 280 | 
| $75,000 to $99,999 | 99 | 
| $100,000 to $149,999 | 114 | 
| $150,000 to $199,999 | 26 | 
| $200,000 or more | 9 | 
| Median household income (dollars) | 51,667 | 
Housing characteristics in FARMINGTON, IL
| Total housing units | 1,191 | 
| Occupied housing units | 992 | 
| Vacant housing units | 199 | 
| Total housing units | 1,191 | 
| 1-unit, detached | 1,032 | 
| 1-unit, attached | 14 | 
| 2 units | 41 | 
| 3 or 4 units | 25 | 
| 5 to 9 units | 6 | 
| 10 to 19 units | 18 | 
| 20 or more units | 0 | 
| Mobile home | 55 | 
| Boat, RV, van, etc. | 0 | 
| Total housing units | 1,191 | 
| Built 2014 or later | 14 | 
| Built 2010 to 2013 | 5 | 
| Built 2000 to 2009 | 48 | 
| Built 1990 to 1999 | 78 | 
| Built 1980 to 1989 | 41 | 
| Built 1970 to 1979 | 76 | 
| Built 1960 to 1969 | 82 | 
| Built 1950 to 1959 | 149 | 
| Built 1940 to 1949 | 123 | 
| Built 1939 or earlier | 575 | 
| Total housing units | 1,191 | 
| 1 room | 14 | 
| 2 rooms | 4 | 
| 3 rooms | 112 | 
| 4 rooms | 138 | 
| 5 rooms | 257 | 
| 6 rooms | 285 | 
| 7 rooms | 161 | 
| 8 rooms | 104 | 
| 9 rooms or more | 116 | 
| Median rooms | 5.7 | 
| Total housing units | 1,191 | 
| No bedroom | 18 | 
| 1 bedroom | 72 | 
| 2 bedrooms | 357 | 
| 3 bedrooms | 568 | 
| 4 bedrooms | 127 | 
| 5 or more bedrooms | 49 | 
| Occupied housing units | 992 | 
| Owner-occupied | 813 | 
| Renter-occupied | 179 | 
| Average household size of owner-occupied unit | 2.46 | 
| Average household size of renter-occupied unit | 2.53 | 
| Occupied housing units | 992 | 
| Moved in 2017 or later | 78 | 
| Moved in 2015 to 2016 | 83 | 
| Moved in 2010 to 2014 | 178 | 
| Moved in 2000 to 2009 | 245 | 
| Moved in 1990 to 1999 | 181 | 
| Moved in 1989 and earlier | 227 | 
| Owner-occupied units | 813 | 
| Less than $50,000 | 188 | 
| $50,000 to $99,999 | 294 | 
| $100,000 to $149,999 | 174 | 
| $150,000 to $199,999 | 117 | 
| $200,000 to $299,999 | 18 | 
| $300,000 to $499,999 | 17 | 
| $500,000 to $999,999 | 5 | 
| $1,000,000 or more | 0 | 
| Median (dollars) | 88,300 | 
| Owner-occupied units | 813 | 
| Housing units with a mortgage | 430 | 
| Housing units without a mortgage | 383 | 
| Occupied units paying rent | 163 | 
| Less than $500 | 26 | 
| $500 to $999 | 95 | 
| $1,000 to $1,499 | 36 | 
| $1,500 to $1,999 | 6 | 
| $2,000 to $2,499 | 0 | 
| $2,500 to $2,999 | 0 | 
| $3,000 or more | 0 | 
| Median (dollars) | 853 | 
| No rent paid | 16 | 
Data is based on 2018 Census
ZIP Codes for other locations
State for FARMINGTON
Illinois ZIP CodesOther cities in Illinois