ZIP Code 61011 has segments in 2 Counties (Boone, Winnebago).
The ZIP Code maps and database are updated 4 times per year.
Database updated: June 1, 2025, Maps updated: May 1, 2024.
POPULATION | |
|---|---|
| Total Population | 2,857 (100%) |
| Population in Households | 2,857 (100.0%) |
| Population in Families | 2,527 (88.4%) |
| Population in Group Quarters1 | 0 |
| Population Density | 63 |
| Diversity Index2 | 44 |
INCOME | |
| Median Household Income | $137,323 |
| Average Household Income | $161,455 |
| % of Income for Mortgage4 | 13% |
| Per Capita Income | $64,085 |
| Wealth Index5 | 182 |
| Socioeconomic Status Index6 | Moderate (63.4) |
HOUSING | |
|---|---|
| Total HU (Housing Units) | 1,184 (100%) |
| Owner Occupied HU | 1,038 (87.7%) |
| Renter Occupied HU | 96 ( 8.1%) |
| Vacant Housing Units | 50 ( 4.2%) |
| Median Home Value | $294,685 |
| Average Home Value | $342,319 |
| Housing Affordability Index3 | 146 |
HOUSEHOLDS | |
| Total Households | 1,134 |
| Average Household Size | 2.52 |
| Family Households | 869 |
| Average Family Size | 3.00 |
GROWTH RATE / YEAR |
2020-2025 | 2025-2030 |
|---|---|---|
| Population | -0.54% | -0.31% |
| Households | 0.32% | 0.23% |
| Families | 1.01% | |
| Median Household Income | 2.58% | |
| Per Capita Income | 2.45% | |
| Owner Occupied HU | 0.46% |
The table below compares 61011 to the other 1,358 ZIP Codes in Illinois by rank and percentile using July 1, 2025 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.
| Variable Description | Rank | Percentile |
|---|---|---|
| Total Population | # 587 | 57th |
| Population Density | # 667 | 51st |
| Median Household Income | # 56 | 96th |
| Housing Affordability Index | # 884 | 65th |
| Per Capita Income | # 89 | 94th |
| Diversity Index | # 375 | 72nd |
Additional comparisons and rankings can be made with a VERY EASY TO USE Illinois Census Data Comparison Tool.