17 ZIP Code Tabulation Areas in Mercer County, Illinois. The population-weighted median household income is about $77,132, the median home value about $154,502, and 82.6% of occupied homes are owner-occupied.
- 17
- ZIP codes
- 29.4K
- Population
- 53
- Data points
Mercer County at a glance
- $77,132
- Median household income
- $154,502
- Median home value
- 44.1
- Median age
- 82.6%
- Owner-occupied
- 14,166
- Housing units
Income, home value, and age are population-weighted averages of the ZIP-level medians in the file. Counts are exact.
Top 5 Mercer County ZIP codes by median household income| # | ZIP | City | Population | Homeowner % | Median HH $ |
|---|
| 1 | 61281 | Cable | 2,520 | 92.4% | $102,639 |
| 2 | 61259 | Illinois City | 1,053 | 91.5% | $91,458 |
| 3 | 61476 | Seaton | 551 | 93.4% | $88,264 |
| 4 | 61276 | Preemption | 88 | 100% | $87,750 |
| 5 | 61279 | Buffalo Prairie | 1,015 | 87.8% | $87,656 |
Top 5 Mercer County ZIP codes by population| # | ZIP | City | Population | Homeowner % | Median HH $ |
|---|
| 1 | 61264 | Andalusia | 10,073 | 80% | $78,068 |
| 2 | 61231 | Aledo | 4,962 | 72.2% | $70,991 |
| 3 | 61281 | Cable | 2,520 | 92.4% | $102,639 |
| 4 | 61272 | Eliza | 1,437 | 84.8% | $64,167 |
| 5 | 61412 | Alexis | 1,392 | 87.5% | $82,143 |
Top 5 Mercer County ZIP codes by Homeowner GDP| # | ZIP | City | Population | Homeowner % | Median HH $ | Homeowner GDP |
|---|
| 1 | 61264 | Andalusia | 10,073 | 80% | $78,068 | $300.3M |
| 2 | 61231 | Aledo | 4,962 | 72.2% | $70,991 | $109M |
| 3 | 61281 | Cable | 2,520 | 92.4% | $102,639 | $91.6M |
| 4 | 61486 | Viola | 1,330 | 90.2% | $78,889 | $40.7M |
| 5 | 61259 | Illinois City | 1,053 | 91.5% | $91,458 | $40.2M |
Homeowner GDP = owner-occupied units × median household income — a proxy for aggregate homeowner spending power in a ZIP, useful for scoring market opportunity. Not an official economic statistic.
Densest: 61263 (Matherville) at 481 people/sq mi. Least dense: 61466 (North Henderson) at 11 people/sq mi.
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