| ZIP Code | 61031 |
|---|---|
| City | Franklin Grove |
| State | Illinois (IL) |
| County | Lee County |
| Area Code | 779/815 |
| Elevation | 793 ft |
| Latitude | 41.829964 |
|---|---|
| Longitude | -89.321271 |
| Timezone | Chicago (DST) |
| FIPS | 17103 |
| ZIP Type | Standard |
| Status | Active |
Race & Ethnicity
Age Breakdown
Key Indicators
| Median Age | 44.1 yrs |
|---|---|
| Avg Household Size | 2.51 |
| Below Poverty | 8.1% ▼ 19% below avg |
| College Grads | 36.9% ≈ Avg |
| Unemployment | 0.8% ▼ 83% below avg |
| No HS Diploma | 11 (1%) |
| HS Graduate | 441 (40.5%) |
| Some College | 154 (14.1%) |
| Associates | 82 (7.5%) |
| Bachelors | 113 (10.4%) |
| Graduate Degree | 289 (26.5%) |
Education
Housing Tenure
Home Value Distribution
Financials
| Median HH Income | $74,050 ≈ Avg ↑ 25% since 2019 |
|---|---|
| Median Home Value | $148,600 ▼ 47% below avg ↑ 30% since 2019 |
| Home/Income Ratio | 2.0x (nat avg ~3.5x) |
| Median Rent | $822/mo ↑ 17% since 2019 |
| Total Units | 654 |
| Vacant Units | 51 |
| Avg HH Size | 2.51 |
Income Distribution
How People Get to Work
Commute Time
Year Built
Summary
| Total Units | 654 |
|---|---|
| Vacant | 51 |
| Owner Occupied | 71.8% |
| Renter Occupied | 28.2% |
| Avg HH Size | 2.51 |
ZIP code 61031 is located in Franklin Grove, Illinois, within Lee County. With a population of 1,615, this is a sparsely populated ZIP code with a middle-aged community — the median age is 44.1 years. Economically, 61031 is a solidly middle-class ZIP code: the median household income of $74,050 is near the national average.
Real estate in ZIP code 61031 represents one of the more affordable housing markets in the country. The median home value of $148,600 is below the national average. Renters can expect to pay around $822 per month in median rent. Homeownership is strong here — 71.8% of occupied units are owner-occupied, suggesting an established, stable residential community. Median home values have increased by 30% since 2019.
The population of 61031 is primarily White (85.39%). Residents are moderately educated — 36.9% hold a bachelor's degree or higher, which is near the national average. Poverty affects a relatively small share of residents at 8.1%. Household income has grown by 25% since 2019.
The unemployment rate in 61031 stands at 0.8%, which is well below the national average. As in most parts of the country, driving alone is the dominant commute mode at 80%.
Overall, ZIP code 61031 in Franklin Grove, IL is characterized as solidly middle-class, moderately educated, a middle-aged community, and predominantly owner-occupied. With 1,615 residents, a median household income of $74,050, and a median home value of $148,600, it offers a clear picture of life in this part of Illinois.