Ada County, ID vs St. Louis County, MO
Property Tax Rate Comparison 2025
Quick Answer
Ada County, ID: 0.70% effective rate · $1,702/yr median tax · median home $243,199
St. Louis County, MO: 0.91% effective rate · $1,410/yr median tax · median home $154,973
Side-by-Side Comparison
| Metric | Ada County, ID | St. Louis County, MO | National Avg |
|---|---|---|---|
| Effective Tax Rate | 0.70% | 0.91% | 1.06% |
| Median Annual Tax | $1,702 | $1,410 | $2,778 |
| Median Home Value | $243,199 | $154,973 | $268,728 |
| Population | 494,967 | 1,004,125 | — |
Ada County, ID
- Effective Rate
- 0.70%
- Median Annual Tax
- $1,702
- Median Home Value
- $243,199
- Population
- 494,967
St. Louis County, MO
- Effective Rate
- 0.91%
- Median Annual Tax
- $1,410
- Median Home Value
- $154,973
- Population
- 1,004,125
Frequently Asked Questions
What is the property tax difference between Ada County and St. Louis County?
Ada County, ID has an effective property tax rate of 0.70% with a median annual tax of $1,702. St. Louis County, MO has a rate of 0.91% with a median annual tax of $1,410. The difference is 0.21 percentage points.
Which county has higher property taxes, Ada County or St. Louis County?
St. Louis County, MO has the higher effective property tax rate at 0.91% compared to 0.70%.
How do Ada County and St. Louis 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 St. Louis County is below average at 0.91%.