Ada County, ID vs Arapahoe County, CO
Property Tax Rate Comparison 2025
Quick Answer
Ada County, ID: 0.70% effective rate · $1,702/yr median tax · median home $243,199
Arapahoe County, CO: 0.56% effective rate · $4,031/yr median tax · median home $719,879
Side-by-Side Comparison
| Metric | Ada County, ID | Arapahoe County, CO | National Avg |
|---|---|---|---|
| Effective Tax Rate | 0.70% | 0.56% | 1.06% |
| Median Annual Tax | $1,702 | $4,031 | $2,778 |
| Median Home Value | $243,199 | $719,879 | $268,728 |
| Population | 494,967 | 655,070 | — |
Ada County, ID
- Effective Rate
- 0.70%
- Median Annual Tax
- $1,702
- Median Home Value
- $243,199
- Population
- 494,967
Arapahoe County, CO
- Effective Rate
- 0.56%
- Median Annual Tax
- $4,031
- Median Home Value
- $719,879
- Population
- 655,070
Frequently Asked Questions
What is the property tax difference between Ada County and Arapahoe County?
Ada County, ID has an effective property tax rate of 0.70% with a median annual tax of $1,702. Arapahoe County, CO has a rate of 0.56% with a median annual tax of $4,031. The difference is 0.14 percentage points.
Which county has higher property taxes, Ada County or Arapahoe County?
Ada County, ID has the higher effective property tax rate at 0.70% compared to 0.56%.
How do Ada County and Arapahoe County compare to the national average?
The national average effective property tax rate is 1.06%. Ada County is below average at 0.70%, and Arapahoe County is below average at 0.56%.