Comparison to Surrounding Areas
The median household income ($70,991) for 61231 is less than the median household income for 61486 ($78,889), 61281 ($102,639), 61412 ($82,143), 61476 ($88,264), 61263 ($86,500), 61264 ($78,068), 61276 ($87,750), 61279 ($87,656), Mercer County ($74,182), Aledo city ($72,292), and Preemption CDP ($86,406). But it's more than 61260 ($41,645) and Millersburg CDP ($-1).
| 61231 | $70,991 |
| Aledo city | $72,292 |
| Millersburg CDP | $-1 |
| Preemption CDP | $86,406 |
| Mercer County | $74,182 |
Get Median Household Income for all Zip Codes in Illinois.
The average household income ($83,801) for 61231 is less than the average household income for 61486 ($93,102), 61281 ($123,435), 61412 ($97,879), 61476 ($108,974), 61263 ($88,217), 61264 ($98,919), 61276 ($100,859), 61279 ($106,818), Mercer County ($92,846), Aledo city ($86,063), and Preemption CDP ($97,074). But it's more than 61260 ($65,545) and Millersburg CDP ($-1).
| 61231 | $83,801 |
| Aledo city | $86,063 |
| Millersburg CDP | $-1 |
| Preemption CDP | $97,074 |
| Mercer County | $92,846 |
Get Average Household Income for all Zip Codes in Illinois.
The per-capita income for 61231 is $35,849. The per capita income ($35,849) for 61231 is less than the per capita income for 61486 ($40,532), 61412 ($39,279), 61476 ($48,899), 61264 ($45,770), 61279 ($39,904), 61281 ($49,103), Mercer County ($39,391), and Aledo city ($35,903). But it's more than 61260 ($31,301), 61263 ($35,794), 61276 ($35,105), Millersburg CDP ($23,103), and Preemption CDP ($30,750).
| 61231 | $35,849 |
| Aledo city | $35,903 |
| Millersburg CDP | $23,103 |
| Preemption CDP | $30,750 |
| Mercer County | $39,391 |
Get Per-Capita Income for all Zip Codes in Illinois.
4.8% of households make over $200,000 a year. The percent high income households (4.8%) for 61231 is less than the percent high income households for 61486 (7.9%), 61260 (5.4%), 61264 (9.4%), 61279 (7.9%), 61281 (12.7%), 61412 (5.9%), 61476 (24.5%), and Mercer County (7.3%). But it's more than 61263 (0.0%), 61276 (0.0%), Aledo city (4.3%), Millersburg CDP (0.0%), and Preemption CDP (0.0%).
| 61231 | 4.8% |
| Aledo city | 4.3% |
| Millersburg CDP | 0.0% |
| Preemption CDP | 0.0% |
| Mercer County | 7.3% |
Get High Income Households for all Zip Codes in Illinois.
| under 25 years | 25 to 44 years | 45 to 64 years | 65 years and over | |
|---|---|---|---|---|
| 61231 | $-1 | $73,167 | $106,417 | $56,528 |
| Aledo city | $-1 | $73,375 | $123,185 | $57,607 |
| Millersburg CDP | $-1 | $-1 | $-1 | $-1 |
| Preemption CDP | $-1 | $-1 | $-1 | $87,750 |
| Mercer County | $33,906 | $88,214 | $93,523 | $56,848 |
Get Median Household Income by Age of Householder for all Zip Codes in Illinois.
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All income statistics above are the most current, comparable income statistics available from the US Census Bureau and are from the American Community Survey 2024 5-year estimates. You can find this information and other demographics for 61231 on the US Census Bureau’s website. These values are in 2024 inflation-adjusted dollars and were downloaded on 29 January 2026.
Margins of error for the income data are:
| Median Household Income | Average Household Income | Per Capita Income | High Income Households | Median Household Income by Age of Householder | ||||
|---|---|---|---|---|---|---|---|---|
| under 25 | 25 to 44 | 45 to 64 | 65+ | |||||
| 61231 | +/-$8,292 | +/-$8,449 | +/-$3,382 | +/-2.9% | +/-$-1 | +/-$39,202 | +/-$18,844 | +/-$14,390 |
| Aledo city | +/-$20,707 | +/-$8,922 | +/-$3,842 | +/-3.1% | +/-$-1 | +/-$45,525 | +/-$18,404 | +/-$13,365 |
| Millersburg CDP | +/-$-1 | +/-$-1 | +/-$16,219 | +/-71.2% | +/-$-1 | +/-$-1 | +/-$-1 | +/-$-1 |
| Preemption CDP | +/-$4,321 | +/-$25,854 | +/-$17,930 | +/-48.6% | +/-$-1 | +/-$-1 | +/-$-1 | +/-$9,817 |
| Mercer County | +/-$7,031 | +/-$4,653 | +/-$1,834 | +/-1.8% | +/-$15,836 | +/-$13,493 | +/-$12,851 | +/-$6,121 |