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Calcimator

Property Tax Revenue Calculator

Calculate municipal property tax revenue from assessed values, mill rates, and collection rates.

About this calculator

This calculator applies the standard mill-rate formula used by municipal finance offices: Gross Tax Levy equals Total Assessed Value multiplied by the Mill Rate, divided by 1,000, since one mill is defined as $1 of tax per $1,000 of assessed value. Net Tax Revenue then applies the Collection Rate to that gross levy, reflecting that not every dollar billed is actually collected in the year it's due -- delinquencies, appeals, and payment plans typically leave real-world collection rates in the 94-98% range even in well-run jurisdictions. Total Assessed Value and the Mill Rate both drive Gross Tax Levy in direct proportion -- doubling either one exactly doubles the levy -- while the Collection Rate has no effect on Gross Tax Levy at all, since it is applied only afterward to determine what is actually collected.

Per Capita revenue divides Net Tax Revenue by a fixed illustrative population of 50,000, intended only to give a rough sense of scale for comparing jurisdictions of similar size -- it does not reflect any specific municipality's actual population, so it should not be used to compare against a jurisdiction with a very different population. This model also does not account for real-world levy limits, homestead exemptions, tax increment financing districts, or multi-year phase-ins that many states impose on assessed-value or levy growth.

Inputs

Results

Gross Tax Levy

$12,500,000.00

≈ 30 average U.S. homes

Net Tax Revenue

$12,000,000.00

≈ 29 average U.S. homes

Per Capita (est. 50k pop)$240.00
How to Use This Calculator
  1. Enter Total Assessed Property Value in millions and the Mill Rate (1 mill = $1 per $1,000 of value).
  2. Enter the Collection Rate percentage (typical range: 94–98%).
  3. Review Gross Tax Levy and Net Tax Revenue after accounting for uncollected amounts.
  4. Check Per Capita revenue estimate to compare with peer jurisdictions.
  5. Use the analysis to set mill rates that achieve the desired revenue target for the budget.

How the result changes with Total Assessed Value ($M)

Total Assessed Value ($M)Gross Tax LevyNet Tax Revenue
250$6,250,000.00$6,000,000.00
375$9,375,000.00$9,000,000.00
750$18,750,000.00$18,000,000.00
1,250$31,250,000.00$30,000,000.00

What each input means

Total Assessed Value ($M)
Total assessed property value in millions of dollars
Mill Rate
Tax rate in mills (1 mill = $1 per $1,000 of assessed value)
Collection Rate (%)
Percentage of levied taxes actually collected. Typical: 94-98%.

How this is calculated

Worked example, using the default values

  1. Identify Input Parameters
    3 parameters
    Total Assessed Value ($M) = 500, Mill Rate = 25, Collection Rate (%) = 96 = 3 input(s) provided
  2. Calculate Gross Tax Levy
    Gross Tax Levy
    12500000 = $12,500,000
  3. Calculate Net Tax Revenue
    Net Tax Revenue
    12000000 = $12,000,000
  4. Calculate Per Capita
    Per Capita
    240 = $240

Engine last updated . Checked against 3 independently-derived tests — how we verify calculators. Built by Paul Gunder, a software engineer, not a licensed financial, medical, or legal professional.

Frequently Asked Questions

Why doesn't the Collection Rate change the Gross Tax Levy?

Gross Tax Levy is the amount billed to property owners, calculated purely from Total Assessed Value and the Mill Rate before any consideration of what actually gets paid. The Collection Rate is applied only in the second step, to estimate Net Tax Revenue -- the amount the jurisdiction realistically expects to receive after accounting for delinquencies and appeals. Raising or lowering the Collection Rate changes how much of the levy converts to real revenue, but it never changes the levy itself.

What is a mill rate and why is it divided by 1,000?

A mill is one-tenth of one cent, defined as $1 of property tax per $1,000 of assessed value -- so a mill rate of 25 means a property owner pays $25 in tax for every $1,000 their property is assessed at. Dividing by 1,000 in the formula converts the assessed value into the correct unit for that rate before multiplying, which is why the calculator multiplies assessed value by the mill rate and then divides by 1,000 rather than treating the mill rate as a plain percentage.

Is the Per Capita figure based on my jurisdiction's real population?

No -- Per Capita revenue always divides Net Tax Revenue by a fixed illustrative population of 50,000, regardless of the values you enter elsewhere. It exists only to give a rough per-resident sense of scale for a mid-size municipality, and is not adjustable to your jurisdiction's actual population, so it should be treated as a loose reference point rather than an accurate per-resident figure for your specific town or county.

What collection rate should I assume for a realistic estimate?

Most well-administered municipal tax offices collect between 94% and 98% of the levy within the fiscal year it's billed, with the remainder typically recovered in later years through penalties, liens, or payment plans, or occasionally written off. Jurisdictions with significant economic distress, high foreclosure rates, or weak enforcement can see collection rates fall well below that range, so use local historical collection data when it's available rather than assuming the typical range applies everywhere.

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