61031 ZIP Code, Franklin Grove, IL
61031 is a ZIP code in Franklin Grove, Illinois in Lee County. It covers 45 square miles of land. The closest ZIP codes are 61057, 61331 and 61324. 1,492 people live here in 607 households. It is rural, with fewer than 100 people per square mile, and most homes are owner-occupied (77%). Median household income is $75,446, close to the Illinois median of $83,390; the median age is 49.9, older than most ZIP codes.
Quick facts
- Mailing city: Franklin Grove, IL
- County: Lee County
- Land area: 45 sq mi
- Population: 1,492
- Median household income: $75,446
Key figures
| Measure | Value |
|---|---|
| Residents | 1,492 |
| Households | 607 |
| Median household income | $75,446 |
| Income per person | $35,828 |
| Median age | 49.9 |
| Homeowners | 77.4% |
| Median home value | $136,700 |
| Median rent | $823 |
| Bachelor's degree or higher | 28.2% |
| Average commute (minutes) | 30.8 |
| Households with kids under 18 | 19.8% |
| Moved in the past year | 13.2% |
| Below the poverty line | 8.2% |
| Broadband internet | 79.9% |
| Speak a non-English language at home | 3.4% |
Household income
| % of households | Value |
|---|---|
| <$10K | 6.4% |
| $10–15K | 0.3% |
| $15–25K | 6.1% |
| $25–35K | 12.2% |
| $35–50K | 8.1% |
| $50–75K | 16.5% |
| $75–100K | 13.3% |
| $100–150K | 21.4% |
| $150–200K | 11.2% |
| $200K+ | 4.4% |
Age
| % of all residents | Value |
|---|---|
| <10 | 7.3% |
| 10–19 | 8.1% |
| 20–24 | 7.6% |
| 25–34 | 8.2% |
| 35–44 | 14.3% |
| 45–54 | 12.8% |
| 55–64 | 12.9% |
| 65–74 | 14.3% |
| 75+ | 14.6% |
Tenure
| % of housing units | Value |
|---|---|
| Owned, with mortgage | 33.5% |
| Owned outright | 38.8% |
| Rented | 20.9% |
| Vacant | 6.8% |
Type of building
| % of housing units | Value |
|---|---|
| Detached house | 76.8% |
| Townhome | 0.0% |
| 2–4 units | 6.0% |
| 5–19 units | 0.0% |
| 20+ units | 7.5% |
| Mobile / other | 9.7% |
Businesses in 61031
19 business establishments with 247 employees (ZIP Codes Business Patterns 2023).
- Construction: 5
- Transportation and Warehousing: 3
- Finance and Insurance: 3
EDDM carrier routes
See every USPS carrier route in 61031 with residential and business mailbox counts on the route map. Open the EDDM route map.
Nearby ZIP codes
- 61057 — Nachusa CDP, IL (3.2 mi)
- 61331 — Lee Center CDP, IL (6.1 mi)
- 61324 (6.3 mi)
- 61006 — Ashton village, IL (6.5 mi)
- 61021 — Dixon city, IL (8 mi)
- 61310 — Amboy city, IL (9 mi)
- 61378 — West Brooklyn village, IL (11.3 mi)
- 61061 — Oregon city, IL (11.7 mi)
Areas that include 61031
- Franklin Grove, IL ZIP codes — 1 ZIP code
- Lee County ZIP codes — 18 ZIP codes
- Illinois ZIP code data
Where it ranks
- No. 2 of 9: highest median household income in Lee County
- No. 5 of 9: highest share of owner-occupied homes in Lee County
- No. 1 of 9: highest share of residents who moved in during the past year in Lee County
- No. 2 of 9: highest median age in Lee County
- No. 5 of 8: fastest population growth in Lee County
Mail every home in 61031
Route counts on this page price as Full Service 6.5 × 9 postcards: we print, bundle by carrier route and hand the mailing to USPS. Prefer to take it to the Post Office yourself? Print only costs less and you pay postage at drop-off.
EDDM guides
ZIP code statistics describe the Census ZIP Code Tabulation Area (ZCTA) 61031, which approximates the USPS ZIP code area. Census figures: American Community Survey 5-year estimates, 2020–2024.
Frequently asked questions
- What city is 61031 in?
- 61031 is a Franklin Grove, IL mailing address. By land area, 1% lies inside Franklin Grove; the rest is outside any Census-defined city or community.
- What county is 61031 in?
- 61031 is in Lee County.
- What is the population of 61031?
- About 1,492 people (±213), according to the Census Bureau's American Community Survey 5-year estimates for 2020–2024. The 2020 Census counted 1,430.
- What is the median household income in 61031?
- $75,446 (±$18,500), compared with $83,390 for Illinois as a whole. Half the households in the ZIP code earn more and half earn less.
- How many carrier routes and mailboxes are in 61031?
- EDDM2GO's stored route library does not include 61031 yet. The EDDM route map loads its carrier routes and mailbox counts when you search the ZIP code.
- What ZIP codes are near 61031?
- The closest, measured center to center: 61057 (3.2 mi, Nachusa), 61331 (6.1 mi, Lee Center), 61324 (6.3 mi), 61006 (6.5 mi, Ashton), 61021 (8 mi, Dixon) and 61310 (9 mi, Amboy).
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.