Also See Earlville, IL: ZIP Codes & Maps
The City of Earlville had a population of 1,504 as of July 1, 2025.
The primary coordinate point for Earlville is located at latitude 41.5895 and longitude -88.922 in LaSalle County. The formal boundaries for the City of Earlville encompass a land area of 1.2 sq. miles and a water area of 0 sq. miles. LaSalle County is in the Central time zone (GMT -6).
The City of Earlville has a C1 Census Class Code which indicates an active incorporated place that does not serve as a county subdivision equivalent. It also has a Functional Status Code of "A" which identifies an active government providing primary general-purpose functions.
The City of Earlville is located within Township of Earl, a minor civil division (MCD) of LaSalle County.
POPULATION | |
|---|---|
| Total Population | 1,504 (100%) | 
| Population in Households | 1,504 (100.0%) | 
| Population in Families | 1,138 (75.7%) | 
| Population in Group Quarters1 | 0 | 
| Population Density | 1,252 | 
| Diversity Index2 | 34 | 
INCOME | |
| Median Household Income | $74,379 | 
| Average Household Income | $80,343 | 
| % of Income for Mortgage4 | 12% | 
| Per Capita Income | $36,272 | 
| Wealth Index5 | 65 | 
| Socioeconomic Status Index6 | High (44.9) | 
HOUSING | |
|---|---|
| Total HU (Housing Units) | 741 (100%) | 
| Owner Occupied HU | 501 (67.6%) | 
| Renter Occupied HU | 178 (24.0%) | 
| Vacant Housing Units | 62 ( 8.4%) | 
| Median Home Value | $147,476 | 
| Average Home Value | $184,057 | 
| Housing Affordability Index3 | 159 | 
HOUSEHOLDS | |
| Total Households | 679 | 
| Average Household Size | 2.22 | 
| Family Households | 411 | 
| Average Family Size | 3.00 | 
GROWTH RATE / YEAR | 
2020-2025 | 2025-2030 | 
|---|---|---|
| Population | -1.32% | -0.74% | 
| Households | -0.03% | -0.06% | 
| Families | 0.81% | |
| Median Household Income | 1.09% | |
| Per Capita Income | 2.53% | |
| Owner Occupied HU | 0.32% | 
The table below compares Earlville to the other 1,461 incorporated cities, towns and CDPs 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 | # 557 | 62nd | 
| Population Density | # 536 | 63rd | 
| Median Household Income | # 782 | 47th | 
| Housing Affordability Index | # 1051 | 72nd | 
| Per Capita Income | # 936 | 36th | 
| Diversity Index | # 468 | 68th | 
Additional comparisons and rankings can be made with a VERY EASY TO USE Illinois Census Data Comparison Tool.
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