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Union County, New Mexico: property tax rate, home values and income

Effective property tax rate

0.57%

12th highest of 33 counties in New Mexico

Median home value

$135,900

25th highest in New Mexico

Median household income

$45,319

26th highest in New Mexico

Population

4,039

Census ACS 2023

Sources: US Census Bureau, American Community Survey 5-year estimates · Updated 11/03/2026

In Union County, New Mexico the effective property tax rate is 0.57%. The median homeowner pays $776 a year in real estate taxes on a home with a median value of $135,900. That rate is the 12th highest of the 33 New Mexico counties with published data, and the 2424th highest of 3,132 counties in the United States.

Property tax in Union County

The effective rate is the median real estate tax paid divided by the median home value. The New Mexico statewide average is 0.72%, so Union County is below it. Applying this county's rate to other home prices gives a rough idea of the yearly bill; actual bills depend on the school district, exemptions and the assessed value.

Home valueEstimated tax per yearPer month
$135,900 (county median)$780$65
$200,000$1,140$95
$300,000$1,710$143
$400,000$2,280$190
$500,000$2,850$238

Home values and incomes

The median home value is $135,900 (25th highest in New Mexico, 2236th highest nationally) and the median household income is $45,319. Homes cost about 3.0 times a typical household's yearly income. Median gross rent is $650 a month. 68.2% of occupied homes are owner-occupied. Homeowners with a mortgage pay a median of $1,717 a year for insurance. For comparison, the New Mexico statewide median home value is $315,812.

Counties near Union County in the New Mexico property tax ranking

CountyEffective rateMedian home value
Colfax County0.58%$161,000
Luna County0.58%$112,500
Los Alamos County0.57%$452,500
Union County0.57%$135,900
Curry County0.56%$160,800
Otero County0.56%$149,500
San Miguel County0.56%$177,600

Frequently asked questions

What is the property tax rate in Union County, New Mexico?

The effective property tax rate is 0.57% of home value per year, the 12th highest of 33 counties in New Mexico (Census ACS 2023 5-year estimates).

How much is property tax on a $300,000 home in Union County?

At the county's effective rate of 0.57%, about $1,710 a year (roughly $143 a month). Your actual bill depends on the assessed value, your school district and exemptions.

What is the median home value in Union County?

The median home value is $135,900 (Census ACS 2023 5-year estimates, owner-occupied homes).

What is the median household income in Union County?

The median household income is $45,319 (Census ACS 2023 5-year estimates).