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Iowa · County property tax · ACS 2024

Louisa County Property Taxes

The median homeowner in Louisa County pays $1,751 a year, an effective rate of 1.17%, notably lower than the U.S. average.

$1,751
Median tax / yr
1.17%
Effective rate
-12%
vs U.S. average
#79 of 99
rank in IA

The verdict

Homeowners in Louisa County pay a median $1,751 a year in property tax, an effective rate of 1.17%, more affordable than 25% of U.S. counties.

$1,751
Median annual tax bill, 2024
1.17%
Effective rate on median home
#2366 of 3135
U.S. counties by tax burden
-12%
vs the national average bill

Effective rate is the median property tax bill divided by the median home value ($150,100). U.S. Census Bureau, ACS 5-Year Estimates · 2024.

Census Bureau ACS property tax data for Iowa. Owner-occupied homes: 3,401.

The median annual property tax in Louisa County is $1,751, which is 40% lower than the Iowa state average and 12% below the national average. The effective tax rate is 1.17% on a median home value of $150,100. Property taxes represent 2.3% of the median household income in this county.

What This Data Tells Us About Louisa County

Homeowners in Louisa County pay a median annual property tax of $1,751, notably lower than the national median and well below the Iowa state median. On a $150,100 median home, that works out to an effective rate of 1.17% once the local assessment base and millage are combined.

Property taxes in Louisa County run within the commonly cited 2%-4% national benchmark, at about 2.3% of the $77,354 median household income. Since 2023, the published ACS median estimate has held roughly steady, down 0.1%, from $1,752 to $1,751. This compares two release estimates; it does not identify a local policy, assessment, exemption, or household-bill cause.

This page is for informational purposes only and is not tax, legal, or financial advice. Figures describe the median homeowner household in Louisa County as reported to the Census Bureau, your own bill can differ based on your parcel's assessed value, exemptions, special districts, and municipal overlays. Always consult your county assessor, tax collector, or a qualified professional before making decisions that depend on these numbers.

Median Annual Tax
$1,751
-40% vs State -12% vs US
Median Home Value
$150,100
-28% vs State -34% vs US
Effective Tax Rate
1.17%
-16% vs State +27% vs US

With vs Without Mortgage

With Mortgage
$1,963
$164/mo
Without Mortgage
$1,459
$122/mo

Mortgaged homeowners in Louisa County pay a substantially higher bill, 35% more, pointing to a wide home-value gap between the two groups.

How Louisa County compares

Effective property tax rate (median tax ÷ median home value), ACS 2024.

Louisa County 1.17%
Iowa average 1.39%
U.S. average 0.92%

Louisa County's effective rate is higher than 20% of the 99 counties in Iowa - ranking #79 of 99 for property tax burden.

Where Louisa County sits among every U.S. county

Effective property tax rate (median tax ÷ median home value)

1.17% more affordable than 25% of 3,135 U.S. counties

0.00%–0.25%: 19 U.S. counties (1%). Below this entry. 0.25%–0.50%: 467 U.S. counties (15%). Below this entry. 0.50%–0.75%: 904 U.S. counties (29%). Below this entry. 0.75%–1.00%: 614 U.S. counties (20%). Below this entry. 1.00%–1.25%: 452 U.S. counties (14%). This entry sits in this band. 1.25%–1.50%: 331 U.S. counties (11%). Above this entry. 1.50%–1.75%: 181 U.S. counties (6%). Above this entry. 1.75%–2.00%: 79 U.S. counties (3%). Above this entry. 2.00%–2.25%: 48 U.S. counties (2%). Above this entry. 2.25%–2.50%: 28 U.S. counties (1%). Above this entry. 2.50%–2.75%: 8 U.S. counties (0%). Above this entry. 2.75%–3.00%: 3 U.S. counties (0%). Above this entry. 3.00%–3.25%: 0 U.S. counties (0%). Above this entry. 3.25%–3.50%: 0 U.S. counties (0%). Above this entry. 3.50%–3.75%: 1 U.S. counties (0%). Above this entry. 3.75%–4.00%: 0 U.S. counties (0%). Above this entry. This county 0.00% 4.00% every U.S. county, bucketed by value

Each bar is a band; taller bars hold more U.S. counties. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source U.S. Census Bureau, ACS 5-Year Estimates · 2024

Louisa County vs Benchmarks

Metric Louisa County Iowa Avg U.S. Avg
Median Annual Tax $1,751 $2,897 $1,993
Effective Tax Rate 1.17% 1.39% 0.92%
Median Home Value $150,100 $208,000 $227,791

Source: U.S. Census Bureau, ACS 5-Year Estimates. Tax-burden differences across rows reflect millage decisions, assessment-ratio practices, and the residential-vs-commercial mix of each tax base.

Think your Louisa County property tax bill is too high?

A successful appeal can lower your assessed value by 10-25%, cutting your annual tax bill by hundreds or thousands of dollars. Use our free Appeal Savings Estimator to project savings on your specific home, then read our step-by-step appeal guide for the exact procedure in Iowa.

Property Tax History

$1,550$1,600$1,650$1,700$1,750$1,800 20202021202220232024 $1,751
Median annual property tax in Louisa County, 2020–2024 (ACS). Up +11% over the period.
Year Median Tax Effective Rate
2024 $1,751 -0.1% 1.17%
2023 $1,752 +2.9% 1.27%
2022 $1,703 +4.4% 1.36%
2021 $1,632 +3.1% 1.39%
2020 $1,583 1.47%

Tax Burden

Tax-to-Income Ratio
2.3%
of median household income
Median Income
$77,354
per year
Monthly Tax
$146
per month

Tax Affordability Score

5.4
Moderate

An effective rate well above the national average of 0.92% puts Louisa County in the "Moderate" band for property tax burden.

Very Expensive Very Affordable

How this score is calculated: a 1-10 scale derived mechanically from the ratio of this county's effective rate to the national average effective rate (0.92%) - a ratio at or below 0.5× scores 10, a ratio at or above 2.0× scores 1, with a linear scale between. It is a factual comparison of Census figures only, not a recommendation, quality rating, or endorsement of Louisa County or any other county.

Other Counties in Iowa

View all counties in Iowa →

Frequently Asked Questions

What is the average property tax in Louisa County, Iowa?
The median annual property tax in Louisa County is $1,751, an effective rate of 1.17% on a $150,100 median home (Census ACS, 2024).
How does Louisa County property tax compare to the national average?
Property taxes in Louisa County run notably lower than the national median of $1,993, an effective rate of 1.17% versus 0.92% nationally.
What percentage of income goes to property taxes in Louisa County?
Property taxes in Louisa County run within the commonly cited 2%-4% national benchmark, at about 2.3% of the $77,354 median household income.
Are property taxes increasing in Louisa County?
Since 2023, property taxes in Louisa County have held roughly steady, down 0.1%, from $1,752 to $1,751.

What this means in Louisa County

How to use Louisa County's property-tax numbers, for budgeting, comparison, or an appeal.

  • At Louisa County's 1.17% effective rate, a $150,100 home implies about $1,751/yr, plug in your own home's value to estimate your bill. Estimate your bill
  • Louisa County ranks #79 of 99 counties in Iowa by effective rate, compare it against the rest of the state before you judge your bill. Iowa overview
  • If your assessed value looks high relative to Louisa County's typical home, you may have grounds to appeal, most jurisdictions have a filing window each year. How to appeal

Effective rate is the county median tax divided by the county median home value ($150,100); your parcel's assessed value, exemptions, and local levies determine your actual bill. U.S. Census Bureau ACS · 2024.

Data as of 2024. Source: U.S. Census Bureau, American Community Survey 5-Year Estimates.

Property tax data reflects median amounts paid by homeowners. Effective rates are calculated as median tax divided by median home value.

PlainPropertyTax is rendered directly from the U.S. Census Bureau's American Community Survey (ACS) 5-year estimates, no number is typed in by an editor. This page draws directly on the Census ACS county-level record for Louisa County. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of 2026-06-09.