During the fourth quarter of 2025, homeowners in Long Grove paid property taxes amounting to 2.1% of their homes’ value, more than 2.4 times above the national average, according to BlockShopper.com.
Long Grove’s median home sales price for the fourth quarter of 2025 was $1,040,000, with nine properties sold in that period. The city’s median property tax bill reached $22,137 in 2025, representing 2.1% of the taxed homes’ median value.
Nationwide, the average effective property tax rate stood at 0.888% in 2024.
Within Lake County, Round Lake Park, Wadsworth, and Forest Lake returned the highest effective property tax rates of all cities in the county.
This analysis uses estimated 2025 inflation values and 2023 county tax data to compute the effective property tax rate. Slight variances between actual rates and those reported may exist.
Nationally, home prices advanced in 2025, with the U.S. median hitting around $447,000 as of June—a 1.13% increase over the previous year, according to Redfin. The data reveal a marked imbalance: 36% more sellers than buyers, or 508,715 more homes for sale than buyers. A market is considered balanced by Redfin’s metrics when the numbers of sellers and buyers are within 10% of each other.
Below is a comparison table showing Round Lake Park against other Lake County cities by their calculated median effective property tax rates, using sales and property tax details from the fourth quarter of 2025.
| City | Q4 2025 Sales | Q4 2025 Median Price | Median tax 2025 | Effective tax rate |
|---|---|---|---|---|
| Round Lake Park | 5 | $49,000 | $4,719 | 9.6% |
| Wadsworth | 9 | $225,000 | $11,235 | 5% |
| Forest Lake | 2 | $209,000 | $7,297 | 3.5% |
| Vernon Hills | 40 | $303,000 | $10,379 | 3.4% |
| Round Lake | 22 | $257,500 | $7,694 | 3% |
| Lincolnshire | 14 | $565,000 | $16,396 | 2.9% |
| Riverwoods | 9 | $650,000 | $18,941 | 2.9% |
| Grayslake | 51 | $347,000 | $9,732 | 2.8% |
| Hainesville | 7 | $252,500 | $6,968 | 2.8% |
| Gurnee | 57 | $350,000 | $9,370 | 2.7% |
| Zion | 43 | $251,000 | $6,612 | 2.6% |
| Third Lake | 2 | $380,750 | $10,056 | 2.6% |
| Fox Lake Hills | 4 | $222,500 | $5,743 | 2.6% |
| Lindenhurst | 30 | $336,000 | $8,704 | 2.6% |
| Round Lake Heights | 4 | $262,000 | $6,707 | 2.6% |
| Buffalo Grove | 42 | $505,000 | $13,039 | 2.6% |
| Antioch | 43 | $350,000 | $8,731 | 2.5% |
| Volo | 3 | $411,000 | $10,422 | 2.5% |
| Gages Lake | 21 | $305,000 | $7,763 | 2.5% |
| North Chicago | 23 | $225,000 | $5,730 | 2.5% |
| Island Lake | 2 | $240,000 | $5,990 | 2.5% |
| Wauconda | 17 | $295,000 | $7,389 | 2.5% |
| Winthrop Harbor | 14 | $273,000 | $6,771 | 2.5% |
| Grandwood Park | 9 | $386,500 | $9,595 | 2.5% |
| Deerfield | 49 | $582,500 | $14,463 | 2.5% |
| Channel Lake | 2 | $209,250 | $5,120 | 2.4% |
| Lake Villa | 15 | $390,000 | $9,234 | 2.4% |
| Mundelein | 18 | $307,250 | $7,068 | 2.3% |
| Green Oaks | 6 | $655,500 | $15,032 | 2.3% |
| Lake Bluff | 16 | $613,000 | $14,017 | 2.3% |
| Harris Corners | 2 | $425,000 | $9,635 | 2.3% |
| Lake Barrington | 16 | $425,000 | $9,245 | 2.2% |
| Hawthorn Woods | 9 | $667,500 | $14,741 | 2.2% |
| Beach Park | 25 | $315,000 | $6,609 | 2.1% |
| Waukegan | 91 | $234,000 | $5,012 | 2.1% |
| Round Lake Beach | 52 | $250,500 | $5,316 | 2.1% |
| Long Grove | 9 | $1,040,000 | $22,137 | 2.1% |
| Kildeer | 7 | $849,500 | $18,156 | 2.1% |
| Highwood | 6 | $457,500 | $9,487 | 2.1% |
| Lake Catherine | 5 | $265,000 | $5,434 | 2.1% |
| Libertyville | 65 | $589,000 | $11,865 | 2% |
| North Barrington | 10 | $828,750 | $16,742 | 2% |
| Fox Lake | 19 | $295,000 | $5,707 | 1.9% |
| Lotus Woods | 4 | $214,750 | $4,067 | 1.9% |
| Ingleside Shore | 9 | $270,000 | $5,094 | 1.9% |
| Barrington | 16 | $650,000 | $12,118 | 1.9% |
| Highland Park | 39 | $840,000 | $16,364 | 1.9% |
| Lakemoor | 5 | $405,000 | $7,207 | 1.8% |
| Venetian Village | 8 | $285,000 | $5,084 | 1.8% |
| Park City | 2 | $369,500 | $6,541 | 1.8% |
| Deer Park | 6 | $760,000 | $13,373 | 1.8% |
| Lake Zurich | 34 | $520,000 | $9,405 | 1.8% |
| Mylith Park | 2 | $277,250 | $4,042 | 1.5% |
| Knollwood | 3 | $543,000 | $7,921 | 1.5% |
| Lake Forest | 36 | $1,197,500 | $17,873 | 1.5% |
| Long Lake | 6 | $293,000 | $4,163 | 1.4% |
