ZIP code 61104
Where is ZIP code 61104?
Rockford, Illinois
Winnebago County · Standard ZIP code
ZIP code 61104 belongs to Rockford, Illinois in Winnebago County. 61104 is a standard ZIP code, so it covers street addresses as well as PO Boxes. It is in the Central Time zone and uses area codes 779 and 815. About 17,222 people live in the 61104 area, where the median household income is $33,772. The closest ZIP codes are 61105 (Rockford, 1.4 mi northwest), 61102 (Rockford, 2.5 mi west) and 61107 (Rockford, 2.6 mi northeast).
| ZIP code | 61104 |
|---|---|
| Type | Standard ZIP code for street addresses and PO Boxes |
| Status | Active |
| City | Rockford |
| State | Illinois (IL) |
| County | Winnebago County |
| Time zone | Central Time · now |
| Area codes | 779, 815 |
| Coordinates | 42.2554, -89.0768 map |
| 3-digit prefix | 611 |
Population and income in 61104
| Population | 17,222 · higher than 81% of Illinois ZIP codes |
|---|---|
| People per square mile | 3,827 · higher than 90% of Illinois ZIP codes |
| Median age | 34.4 years · lower than 90% of Illinois ZIP codes |
| Men / women | 51% / 49% |
| Median household income | $33,772 · lower than 98% of Illinois ZIP codes |
| Income per person | $22,510 |
| Below the poverty line | 38% |
| Bachelor’s degree or higher | 9.3% of adults 25+ |
| Median home value | $90,100 · lower than 87% of Illinois ZIP codes |
| Median rent | $887 a month |
| Housing units | 9,101 |
| Households | 7,672 (2.23 people on average) |
| Owners / renters | 38% / 62% |
| Land area | 4.5 sq mi (plus 0.08 sq mi of water) |
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 61104. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.
ZIP codes near 61104
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 61105 | Rockford, IL | 1.4 mi NW | PO Box only |
| 61102 | Rockford, IL | 2.5 mi W | Standard |
| 61107 | Rockford, IL | 2.6 mi NE | Standard |
| 61108 | Rockford, IL | 2.7 mi E | Standard |
| 61109 | Rockford, IL | 3 mi SE | Standard |
| 61103 | Rockford, IL | 3.2 mi N | Standard |
| 61101 | Rockford, IL | 3.2 mi NW | Standard |
| 61112 | Rockford, IL | 5.5 mi E | Standard |
| 61111 | Loves Park, IL | 5.6 mi NE | Standard |
| 61114 | Rockford, IL | 6 mi NE | Standard |
| 61016 | Cherry Valley, IL | 6.4 mi E | Standard |
| 61106 | Rockford, IL | 6.8 mi NW | PO Box only |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 61104 or measure the distance to another ZIP code.
How to address mail to 61104
123 MAIN ST
ROCKFORD IL 61104
Put the city, the two-letter state code and the ZIP code on the last line. Adding the 4-digit ZIP+4 code (61104-XXXX) helps mail sort faster but isn’t required.
Other ZIP codes in Rockford, IL
All Rockford ZIP codes with population and income →
Questions
- What city is ZIP code 61104?
- 61104 is a Rockford, Illinois ZIP code.
- What county is 61104 in?
- ZIP code 61104 is in Winnebago County, Illinois.
- What time zone is ZIP code 61104 in?
- 61104 is in the Central Time zone (America/Chicago).
- What area code is 61104?
- Phone numbers in ZIP code 61104 use area codes 779 and 815.
- What is the population of ZIP code 61104?
- About 17,222 people live in ZIP code 61104, according to the Census Bureau’s American Community Survey (2020–2024).
- What is the median income in 61104?
- The median household income in 61104 is $33,772 a year, lower than 98% of Illinois ZIP codes.
- What ZIP codes are near 61104?
- The nearest ZIP codes to 61104 are 61105 (Rockford, 1.4 miles), 61102 (Rockford, 2.5 miles), 61107 (Rockford, 2.6 miles) and 61108 (Rockford, 2.7 miles).