ZIP code 61031
Where is ZIP code 61031?
Franklin Grove, Illinois
Lee County · Standard ZIP code
ZIP code 61031 belongs to Franklin Grove, Illinois in Lee County. 61031 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 1,492 people live in the 61031 area, where the median household income is $75,446. The closest ZIP codes are 61057 (Nachusa, 4.2 mi southwest), 61006 (Ashton, 5.6 mi east) and 61331 (Lee Center, 7.8 mi south).
| ZIP code | 61031 |
|---|---|
| Type | Standard ZIP code for street addresses and PO Boxes |
| Status | Active |
| City | Franklin Grove |
| Also accepted | Franklin Grv |
| State | Illinois (IL) |
| County | Lee County |
| Time zone | Central Time · now |
| Area codes | 779, 815 |
| Coordinates | 41.858, -89.3171 map |
| 3-digit prefix | 610 |
Population and income in 61031
| Population | 1,492 · lower than 55% of Illinois ZIP codes |
|---|---|
| People per square mile | 33 · lower than 61% of Illinois ZIP codes |
| Median age | 49.9 years · higher than 85% of Illinois ZIP codes |
| Men / women | 48% / 52% |
| Median household income | $75,446 · higher than 50% of Illinois ZIP codes |
| Income per person | $35,828 |
| Below the poverty line | 8.2% |
| Bachelor’s degree or higher | 28% of adults 25+ |
| Median home value | $136,700 · lower than 58% of Illinois ZIP codes |
| Median rent | $823 a month |
| Housing units | 652 |
| Households | 607 (2.28 people on average) |
| Owners / renters | 77% / 23% |
| Land area | 44.93 sq mi (plus 0.02 sq mi of water) |
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 61031. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.
ZIP codes near 61031
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 61057 | Nachusa, IL | 4.2 mi SW | PO Box only |
| 61006 | Ashton, IL | 5.6 mi E | Standard |
| 61331 | Lee Center, IL | 7.8 mi S | PO Box only |
| 61324 | Eldena, IL | 7.8 mi SW | PO Box only |
| 61021 | Dixon, IL | 8.9 mi W | Standard |
| 61061 | Oregon, IL | 10.6 mi N | Standard |
| 61310 | Amboy, IL | 10.7 mi S | Standard |
| 61015 | Chana, IL | 10.8 mi NE | Standard |
| 61378 | West Brooklyn, IL | 11 mi SE | Standard |
| 61091 | Woosung, IL | 11.9 mi W | PO Box only |
| 61068 | Rochelle, IL | 13.6 mi E | Standard |
| 61054 | Mount Morris, IL | 14.4 mi NW | Standard |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 61031 or measure the distance to another ZIP code.
How to address mail to 61031
123 MAIN ST
FRANKLIN GROVE IL 61031
Put the city, the two-letter state code and the ZIP code on the last line. USPS also accepts FRANKLIN GRV as the city name for 61031. Adding the 4-digit ZIP+4 code (61031-XXXX) helps mail sort faster but isn’t required.
Questions
- What city is ZIP code 61031?
- 61031 is a Franklin Grove, Illinois ZIP code. Franklin Grv is also accepted as the city name.
- What county is 61031 in?
- ZIP code 61031 is in Lee County, Illinois.
- What time zone is ZIP code 61031 in?
- 61031 is in the Central Time zone (America/Chicago).
- What area code is 61031?
- Phone numbers in ZIP code 61031 use area codes 779 and 815.
- What is the population of ZIP code 61031?
- About 1,492 people live in ZIP code 61031, according to the Census Bureau’s American Community Survey (2020–2024).
- What is the median income in 61031?
- The median household income in 61031 is $75,446 a year, higher than 50% of Illinois ZIP codes.
- What ZIP codes are near 61031?
- The nearest ZIP codes to 61031 are 61057 (Nachusa, 4.2 miles), 61006 (Ashton, 5.6 miles), 61331 (Lee Center, 7.8 miles) and 61324 (Eldena, 7.8 miles).