JANESVILLE, WI ZIP Code
| City | JANESVILLE |
| State | Wisconsin |
| ZIP Codes count | 4 (see all) |
| Post offices count | 2 (see all) |
| Total population | 64,128 (see all) |
ZIP Codes in JANESVILLE, Wisconsin
The ZIP Codes in JANESVILLE, Wisconsin fall within the range from 53545 to 53548. JANESVILLE is covered by 4 ZIP Codes: 3 Standard and 1 PO Box. Below is the complete list:
53545, 53546, 53547, 53548
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 JANESVILLE, WI ZIP Codes
| ZIP | TYPE | POPU |
|---|---|---|
| 53545 | STANDARD | 23,571 |
| 53546 | STANDARD | 29,505 |
| 53547 | PO BOX | – |
| 53548 | STANDARD | 20,314 |
Post offices
DOWNTOWN JANESVILLE — Post Office™ 20 S MAIN ST STE 18 JANESVILLE, WI 53545-3959 |
JANESVILLE — Post Office™ 1818 MILTON AVE STE 100 JANESVILLE, WI 53545-9998 |
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
1352 LINDEN AVE
JANESVILLE WI 53548-2882
JANESVILLE WI 53548-2882
561 S LOCUST ST
JANESVILLE WI 53548-5145
JANESVILLE WI 53548-5145
3893 TEAL LN
JANESVILLE WI 53546-1188
JANESVILLE WI 53546-1188
625 TUDOR DR
JANESVILLE WI 53546-2010
JANESVILLE WI 53546-2010
2620 VAIL CT
JANESVILLE WI 53545-0356
JANESVILLE WI 53545-0356
6990 W HANOVER RD
JANESVILLE WI 53548-9275
JANESVILLE WI 53548-9275
Map
Hover over the map to see the ZIP code
Census data for JANESVILLE, WI
Demographic and housing estimates in JANESVILLE, WI
| Total population | 64,128 |
| Male | 31,102 |
| Female | 33,026 |
| Total population | 64,128 |
| Under 5 years | 3,806 |
| 5 to 9 years | 4,228 |
| 10 to 14 years | 4,200 |
| 15 to 19 years | 3,907 |
| 20 to 24 years | 3,887 |
| 25 to 34 years | 8,487 |
| 35 to 44 years | 8,336 |
| 45 to 54 years | 8,747 |
| 55 to 59 years | 4,503 |
| 60 to 64 years | 3,799 |
| 65 to 74 years | 5,622 |
| 75 to 84 years | 3,318 |
| 85 years and over | 1,288 |
| Median age (years) | 39.0 |
| Under 18 years | 14,948 |
| 16 years and over | 50,982 |
| 18 years and over | 49,180 |
| 21 years and over | 47,127 |
| 62 years and over | 12,293 |
| 65 years and over | 10,228 |
| Total population | 64,128 |
| One race | 62,284 |
| White | 58,811 |
| Black or African American | 1,364 |
| American Indian and Alaska Native | 153 |
| Asian | 1,024 |
| Native Hawaiian and Other Pacific Islander | 6 |
| Some other race | 926 |
| Two or more races | 1,844 |
| Citizen, VOTING AGE 18 and over population | 48,208 |
| Male Citizen, VOTING AGE 18 and over population | 22,897 |
| Female Citizen, VOTING AGE 18 and over population | 25,311 |
Social characteristics in JANESVILLE, WI
| Total households | 26,405 |
| Family households (families) | 16,508 |
| Married-couple family | 11,868 |
| Male householder, no wife present, family | 1,234 |
| Female householder, no husband present, family | 3,406 |
| Nonfamily households | 9,897 |
| Average household size | 2.39 |
| Average family size | 2.95 |
Economic characteristics in JANESVILLE, WI
| Total households | 26,405 |
| Less than $10,000 | 1,188 |
| $10,000 to $14,999 | 1,413 |
| $15,000 to $24,999 | 2,802 |
| $25,000 to $34,999 | 2,514 |
| $35,000 to $49,999 | 4,024 |
| $50,000 to $74,999 | 5,287 |
| $75,000 to $99,999 | 3,985 |
| $100,000 to $149,999 | 3,473 |
| $150,000 to $199,999 | 1,065 |
| $200,000 or more | 654 |
| Median household income (dollars) | 54,573 |
Housing characteristics in JANESVILLE, WI
| Total housing units | 27,494 |
| Occupied housing units | 26,405 |
| Vacant housing units | 1,089 |
| Total housing units | 27,494 |
| 1-unit, detached | 18,264 |
| 1-unit, attached | 2,381 |
| 2 units | 1,648 |
| 3 or 4 units | 901 |
| 5 to 9 units | 1,579 |
| 10 to 19 units | 681 |
| 20 or more units | 1,601 |
| Mobile home | 431 |
| Boat, RV, van, etc. | 8 |
| Total housing units | 27,494 |
| Built 2014 or later | 107 |
| Built 2010 to 2013 | 232 |
| Built 2000 to 2009 | 3,260 |
| Built 1990 to 1999 | 4,143 |
| Built 1980 to 1989 | 2,519 |
| Built 1970 to 1979 | 4,644 |
| Built 1960 to 1969 | 3,786 |
| Built 1950 to 1959 | 2,835 |
| Built 1940 to 1949 | 1,019 |
| Built 1939 or earlier | 4,949 |
| Total housing units | 27,494 |
| 1 room | 232 |
| 2 rooms | 363 |
| 3 rooms | 1,975 |
| 4 rooms | 4,617 |
| 5 rooms | 6,260 |
| 6 rooms | 5,975 |
| 7 rooms | 2,846 |
| 8 rooms | 2,395 |
| 9 rooms or more | 2,831 |
| Median rooms | 5.6 |
| Total housing units | 27,494 |
| No bedroom | 261 |
| 1 bedroom | 2,163 |
| 2 bedrooms | 8,444 |
| 3 bedrooms | 12,784 |
| 4 bedrooms | 2,992 |
| 5 or more bedrooms | 850 |
| Occupied housing units | 26,405 |
| Owner-occupied | 17,414 |
| Renter-occupied | 8,991 |
| Average household size of owner-occupied unit | 2.47 |
| Average household size of renter-occupied unit | 2.25 |
| Occupied housing units | 26,405 |
| Moved in 2017 or later | 1,211 |
| Moved in 2015 to 2016 | 3,170 |
| Moved in 2010 to 2014 | 7,457 |
| Moved in 2000 to 2009 | 7,492 |
| Moved in 1990 to 1999 | 3,650 |
| Moved in 1989 and earlier | 3,425 |
| Owner-occupied units | 17,414 |
| Less than $50,000 | 731 |
| $50,000 to $99,999 | 3,501 |
| $100,000 to $149,999 | 6,203 |
| $150,000 to $199,999 | 3,902 |
| $200,000 to $299,999 | 2,343 |
| $300,000 to $499,999 | 669 |
| $500,000 to $999,999 | 41 |
| $1,000,000 or more | 24 |
| Median (dollars) | 136,300 |
| Owner-occupied units | 17,414 |
| Housing units with a mortgage | 11,948 |
| Housing units without a mortgage | 5,466 |
| Occupied units paying rent | 8,682 |
| Less than $500 | 621 |
| $500 to $999 | 5,819 |
| $1,000 to $1,499 | 2,057 |
| $1,500 to $1,999 | 131 |
| $2,000 to $2,499 | 0 |
| $2,500 to $2,999 | 19 |
| $3,000 or more | 35 |
| Median (dollars) | 816 |
| No rent paid | 309 |
Data is based on 2018 Census
ZIP Codes for other locations
State for JANESVILLE
Wisconsin ZIP CodesOther cities in Wisconsin