Mercer County, MO Property Taxes (2026)
Mercer County owners pay a median of $905 a year on a median home value of $95,300, an effective rate of 0.95%. That's the 13th-highest rate of 115 Missouri counties with Census data, above the Missouri county median of 0.74%.
Updated October 2026 · Data: U.S. Census Bureau, American Community Survey 5-Year Estimates (2019–2023)
Is your Mercer appraisal too high?
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Effective tax rate
0.95%
13th highest of 115 in MO
Median annual bill
$905
~$75/month
Median home value
$95,300
Missouri county median
0.74%
Effective rate
What a protest could save you in Mercer County
Enter the market value from your appraisal notice. We apply Mercer County's 0.95% effective rate and a 10–15% reduction, the typical range for successful protests.
- Est. annual tax
- $905
- Savings at 10–15% off
- $91–$136
Mercer County vs. Missouri vs. U.S. property tax rates
Key stat: Mercer County's effective property tax rate is 0.95%, vs. 0.74% for the median Missouri county and 0.84% for the median U.S. county. It ranks 13th of 115 in Missouri. Effective rate = median tax bill ÷ median home value, so it already reflects typical exemptions. (Source: U.S. Census Bureau, American Community Survey 5-Year Estimates (2019–2023))
How to appeal your property taxes in Mercer County
- 1
Review your assessment notice
Check the assessed value from the Mercer County Assessor. Compare it to recent sales of similar homes nearby.
- 2
File your appeal before the deadline
The Mercer County deadline is Varies by county. Missing it means waiting until the next assessment year.
- 3
Gather evidence
Recent comparable sales, photos of condition issues, repair estimates or an independent appraisal.
- 4
Present your case
Submit evidence or attend a hearing with the County Assessor.
- 5
Get your decision
If you win, your assessed value and bill go down. On a $905 bill, 10–15% off is $91–$136 a year.
Property tax exemptions in Missouri
Missouri homeowners may qualify for exemptions that reduce taxable value. Check with the Mercer County Assessor for amounts.
Homestead exemption
For your primary residence. Reduces the value used to calculate your bill.
Senior / over-65
Many states add an exemption or freeze for owners 65 and older.
Disability
For homeowners with qualifying disabilities, often similar to the over-65 benefit.
Veterans
Disabled veterans may get partial or full exemptions depending on rating.
Frequently Asked Questions
What is the property tax rate in Mercer County, Missouri?
How much are property taxes in Mercer County?
What is the deadline to appeal property taxes in Mercer County?
Is Mercer County a high property tax area?
Can TaxDrop help lower my Mercer County property taxes?
Property taxes in nearby counties
Grundy County
Rate: 1.02%
Median bill: $1,094
Harrison County
Rate: 0.82%
Median bill: $885
Sullivan County
Rate: 0.74%
Median bill: $760
Putnam County
Rate: 0.99%
Median bill: $1,101
Daviess County
Rate: 0.71%
Median bill: $1,057
Livingston County
Rate: 0.90%
Median bill: $1,243
Worth County
Rate: 0.80%
Median bill: $758
Linn County
Rate: 0.77%
Median bill: $899
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