Property tax in Cimarron County, Oklahoma

By Brent Chudoba, editor Updated September 23, 2026

The median property tax bill in Cimarron County, Oklahoma is $395 a year, which is about 0.4% of the county's median home value of $98,600. That effective rate is lower than the typical Oklahoma county (0.63%) 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 Cimarron County

Enter a home's market value for a ballpark at Cimarron County's average effective rate of 0.4% (Census). The real bill depends on the home's assessed value, the millage where it sits and any exemptions.

Home market value

Estimated property tax: $394 / year

Property tax in Cimarron County at a glance

Cimarron County, Oklahoma property tax (Census ACS, reviewed September 23, 2026)
Measure	Value
Median annual property tax	$395
Median home value	$98,600
Effective tax rate	0.4%
Typical Oklahoma county rate	0.63%
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 Cimarron County compare in Oklahoma?

Among Oklahoma's 77 counties, Cimarron County has the 75th highest effective property-tax rate: 74 rank higher and 2 rank lower. That places it among the least taxed counties in the state. Nationally, it ranks 2929th of 3135 US counties by effective rate. See every Oklahoma county ranked.

How much do homeowners in Cimarron County actually pay?

The median is only the middle bill. Across Cimarron County's 554 owner-occupied homes, 2.5% pay $3,000 or more a year in property tax, 3.8% pay at least $2,000, and 72.9% pay under $800. Another 3.2% report paying no property tax at all, which usually means an exemption covers the whole bill.

Annual property tax paid by Cimarron County homeowners (Census ACS 2020-2024)
Annual bill	Homes	Share
Under $800	404	72.9%
$800 to $1,499	49	8.8%
$1,500 to $1,999	62	11.2%
$2,000 to $2,999	7	1.3%
$3,000 or more	14	2.5%
No property tax paid	18	3.2%

Owners with a mortgage pay a median of $700 and owners without one pay $369. 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 Cimarron County property tax bill compare with local incomes?

The median property tax bill of $395 is about 0.4% of the median income of Cimarron County homeowner households, $100,385 a year. That compares two middles, so a retiree in a long-held home can pay a far larger share. 78.4% of Cimarron 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 Cimarron County?

Yes. The median bill went from $265 in 2015-2019 to $395 in 2020-2024, a 49.1% rise. Over the same span the median home value moved 74.5%, from $56,500 to $98,600. 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 Cimarron County

Cimarron County borders 6 counties, 5 of them across the state line.

Cimarron County and its neighbors, highest effective rate first (Census ACS 2020-2024)
County	Effective rate	Median bill	Median home value
Morton County, KS	2.08%	$1,995	$96,100
Sherman County, TX	1.72%	$2,531	$146,900
Dallam County, TX	1.15%	$1,736	$151,400
Union County, NM	0.7%	$859	$122,700
Texas County, OK	0.69%	$1,131	$163,500
Baca County, CO	0.44%	$545	$122,900
Cimarron County, OK (this county)	0.4%	$395	$98,600

How is a home assessed in Cimarron County?

Oklahoma sets the assessment rules and Cimarron County applies them. How Oklahoma assesses and reappraises homes.

Is there a homestead exemption in Cimarron County?

Yes, but it is small. Oklahoma's homestead exemption is $1,000 of assessed value, usually worth around $80 to $130 a year. Apply once on Form 921 with the county assessor by March 15. That is the Oklahoma rule, and it applies in Cimarron County. Oklahoma's exemptions and relief programs in full.

When are property taxes due in Cimarron County?

Tax becomes due November 1. Pay the whole bill, or at least half of it, before January 1; if you pay nothing by then the entire year goes delinquent on January 1. If you paid the first half on time, the second half is due before April 1. Unpaid tax accrues 1.5% a month until the interest equals the tax itself.

Oklahoma splits the bill into 2 installments. That is the Oklahoma rule. Cimarron County issues and collects the bill, so the dates printed on your statement are the ones that bind you.

How to appeal your Cimarron County property assessment

You contest the assessed value with the County assessor (informal protest), then the county board of equalization. The filing deadline is typically 30 days from the date your valuation increase notice was mailed. That is the Oklahoma rule; Cimarron County sets the exact dates and forms. The Oklahoma appeal process step by step.

Oklahoma rules from primary state sources, reviewed September 7, 2026; sources on the Oklahoma page.

Work out your own numbers

Sources

Median real estate taxes paid and median home value for Cimarron County, Oklahoma: 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.