| ZIP Code | 61231 |
|---|---|
| City | Aledo |
| State | Illinois (IL) |
| County | Mercer County |
| Area Code | 309/861 |
| Elevation | 742 ft |
| Latitude | 41.210699 |
|---|---|
| Longitude | -90.717768 |
| Timezone | Chicago (DST) |
| FIPS | 17131 |
| ZIP Type | Standard |
| Status | Active |
Race & Ethnicity
Age Breakdown
Key Indicators
| Median Age | 42.6 yrs ↓ 9% since 2019 |
|---|---|
| Avg Household Size | 2.30 |
| Below Poverty | 9.7% ≈ Avg |
| College Grads | 36.6% ≈ Avg |
| Unemployment | 1.3% ▼ 74% below avg |
| No HS Diploma | 36 (1.1%) |
| HS Graduate | 1,146 (33.6%) |
| Some College | 492 (14.4%) |
| Associates | 490 (14.4%) |
| Bachelors | 463 (13.6%) |
| Graduate Degree | 786 (23%) |
Education
Housing Tenure
Home Value Distribution
Financials
| Median HH Income | $66,389 ▼ 13% below avg ↑ 22% since 2019 |
|---|---|
| Median Home Value | $141,200 ▼ 49% below avg ↑ 31% since 2019 |
| Home/Income Ratio | 2.1x (nat avg ~3.5x) |
| Median Rent | $772/mo ↑ 24% since 2019 |
| Total Units | 2,344 |
| Vacant Units | 262 |
| Avg HH Size | 2.30 |
Income Distribution
How People Get to Work
Commute Time
Year Built
Summary
| Total Units | 2,344 |
|---|---|
| Vacant | 262 |
| Owner Occupied | 70.2% |
| Renter Occupied | 29.8% |
| Avg HH Size | 2.30 |
ZIP code 61231 is located in Aledo, Illinois, within Mercer County. With a population of 4,958, this is a lightly populated ZIP code with a middle-aged community — the median age is 42.6 years. Economically, 61231 is a solidly middle-class ZIP code: the median household income of $66,389 is near the national average.
Real estate in ZIP code 61231 represents one of the more affordable housing markets in the country. The median home value of $141,200 is below the national average. Renters can expect to pay around $772 per month in median rent. Homeownership is strong here — 70.2% of occupied units are owner-occupied, suggesting an established, stable residential community. Median home values have increased by 31% since 2019.
The population of 61231 is primarily White (93.30%). Residents are moderately educated — 36.6% hold a bachelor's degree or higher, which is near the national average. Poverty affects a relatively small share of residents at 9.7%. Household income has grown by 22% since 2019.
The unemployment rate in 61231 stands at 1.3%, which is well below the national average. As in most parts of the country, driving alone is the dominant commute mode at 85%.
Overall, ZIP code 61231 in Aledo, IL is characterized as solidly middle-class, moderately educated, a middle-aged community, and predominantly owner-occupied. With 4,958 residents, a median household income of $66,389, and a median home value of $141,200, it offers a clear picture of life in this part of Illinois.