Property tax in Platte County, Wyoming
The median property tax bill in Platte County, Wyoming is $1,549 a year, which is about 0.52% of the county's median home value of $297,900. That effective rate is lower than the typical Wyoming county (0.56%) and lower than the national median (0.81%). These are American Community Survey 5-year estimates (2024); your own bill depends on your home's assessed value and any exemptions.
Estimate the property tax on a home in Platte County
Enter a home's market value for a ballpark at Platte County's average effective rate of 0.52% (Census). The real bill depends on the home's assessed value, the millage where it sits and any exemptions.
Estimated property tax: $1,549 / year
Property tax in Platte County at a glance
| Measure | Value |
|---|---|
| Median annual property tax | $1,549 |
| Median home value | $297,900 |
| Effective tax rate | 0.52% |
| Typical Wyoming county rate | 0.56% |
| National median county rate | 0.81% |
Effective rate = median real estate taxes paid divided by median home value. Source: U.S. Census Bureau, American Community Survey 5-year estimates.
How does Platte County compare in Wyoming?
Among Wyoming's 23 counties, Platte County has the 19th highest effective property-tax rate: 18 rank higher and 4 rank lower. That is on the lower side for Wyoming. Nationally, it ranks 2599th of 3135 US counties by effective rate. See every Wyoming county ranked.
How much do homeowners in Platte County actually pay?
The median is only the middle bill. Across Platte County's 2,927 owner-occupied homes, 9.4% pay $3,000 or more a year in property tax, 33.2% pay at least $2,000, and 21.7% pay under $800. Another 2.7% report paying no property tax at all, which usually means an exemption covers the whole bill.
| Annual bill | Homes | Share |
|---|---|---|
| Under $800 | 635 | 21.7% |
| $800 to $1,499 | 740 | 25.3% |
| $1,500 to $1,999 | 501 | 17.1% |
| $2,000 to $2,999 | 698 | 23.8% |
| $3,000 or more | 275 | 9.4% |
| No property tax paid | 78 | 2.7% |
Owners with a mortgage pay a median of $1,853 and owners without one pay $1,272. Owners who have paid off a home have usually held it longer, and in states that cap how fast an existing owner's assessment can rise, long-held homes carry lower assessed values. Census table B25103.
How does the Platte County property tax bill compare with local incomes?
The median property tax bill of $1,549 is about 2% of the median income of Platte County homeowner households, $78,938 a year. That compares two middles, so a retiree in a long-held home can pay a far larger share. 76.1% of Platte County's occupied homes are lived in by their owners; renters pay property tax too, just folded into rent.
Have property taxes gone up in Platte County?
Yes. The median bill went from $1,134 in 2015-2019 to $1,549 in 2020-2024, a 36.6% rise. Over the same span the median home value moved 58%, from $188,500 to $297,900. Bills rose more slowly than values, which is what assessment caps and falling millage rates do: the county is taxing a smaller share of each home's worth.
Two Census ACS 5-year periods with no survey years in common, in each period's own dollars. A change counts only if it exceeds the combined 90% margin of error.
Property tax in counties next to Platte County
Platte County borders 5 counties.
| County | Effective rate | Median bill | Median home value |
|---|---|---|---|
| Goshen County, WY | 0.59% | $1,419 | $239,600 |
| Albany County, WY | 0.58% | $1,925 | $333,000 |
| Laramie County, WY | 0.57% | $1,980 | $348,700 |
| Converse County, WY | 0.56% | $1,630 | $292,700 |
| Platte County, WY (this county) | 0.52% | $1,549 | $297,900 |
| Niobrara County, WY | 0.48% | $1,072 | $221,500 |
How is a home assessed in Platte County?
Wyoming assesses homes at 9.5% of market value in every county, Platte County included. How Wyoming assesses and reappraises homes.
Is there a homestead exemption in Platte County?
Yes, as a percentage. Wyoming exempts twenty-five percent of the fair market value of a single family home, on up to $1,000,000 of value, for owners who live there at least eight months a year. That is the Wyoming rule, and it applies in Platte County. Wyoming's exemptions and relief programs in full.
When are property taxes due in Platte County?
Wyoming splits the annual bill in two. The first half becomes due September 1 and is payable through November 10, and the second becomes due March 1 and is payable through May 10 of the following year. Pay the entire year by December 31 and no interest or penalty is charged. Anything unpaid after its payable date is delinquent and accrues interest at 18% a year.
Wyoming splits the bill into 2 installments. That is the Wyoming rule. Platte County issues and collects the bill, so the dates printed on your statement are the ones that bind you.
How to appeal your Platte County property assessment
You contest the assessed value with the County Board of Equalization, then the Wyoming State Board of Equalization. The filing deadline is typically 30 days after the county assessor sends your assessment schedule. That is the Wyoming rule; Platte County sets the exact dates and forms. The Wyoming appeal process step by step.
Wyoming rules from primary state sources, reviewed September 7, 2026; sources on the Wyoming page.
Work out your own numbers
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How much house can I afford?
Your income, debts and down payment against the 28/36 rule lenders actually use, with Platte County's tax rate to hand.
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Mortgage calculator
Monthly payment with principal, interest, tax and insurance, plus what an extra payment saves you.
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Wyoming income tax
Brackets, standard deduction and what Wyoming actually taxes.
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Sales tax in Platte County
The other local tax: combined state and local rate for this county.
Sources
- Median real estate taxes paid and median home value for Platte County, Wyoming: U.S. Census Bureau, American Community Survey 5-year estimates (2020-2024), tables B25103, B25077, B25102, B25119 and B25003; the five-year comparison uses the 2015-2019 estimates. Neighboring counties: Census county adjacency file.