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County tax profile · 2026 · Census ACS + IRS data

Property Tax & Income in Sierra County, New Mexico

Sierra County has an effective property tax rate of 0.52%. On the median home value of $152,600, that's roughly $789 per year. Median household income is $41,600.

Effective Property Tax Rate1
0.52%
median tax $789 ÷ median home $152,600
Median Home Value1
$152,600
owner-occupied
Median Household Income1
$41,600
per-capita $26,453
Est. Annual Tax on Median Home1
$789
at 0.52% effective rate

What you'll pay, at a glance

Property taxes are the largest local tax most homeowners pay. The effective rate measures the real tax bill as a share of home value — a more useful number than the nominal “mill rate,” because assessment practices vary county to county.

MetricSierra CountyNew Mexico (state context)
Effective property tax rate10.52%0.55%
Median home value1$152,600—
State income tax3top rate 5.90%top rate 5.90%
State sales tax37.68% combined7.68% combined

How this is calculated

The effective property tax rate is the median real-estate tax bill divided by the median home value — both for owner-occupied homes, from the U.S. Census Bureau's American Community Survey (ACS 5-year estimates)1. Median income is also from the ACS1. Federal and state income-tax figures use IRS2 and Tax Foundation3 data.

About Sierra County, NM

Property taxes in Sierra County, New Mexico, run at an effective rate of 0.517%, based on a median home value of $152,600. That works out to an annual real-estate tax bill of about $789. The statewide median effective rate is 0.548%, so Sierra County sits slightly below New Mexico's average, ranking 21st out of the state's 33 counties. Compared with the national median of 0.794%, the county's rate is notably lower. Households here earn a median of $41,600, with per-capita income at $26,453. Among the county's communities, Truth Or Consequences is the largest. A below-average rate can signal that local governments rely less heavily on property taxes than many places do, though it also means a smaller revenue base relative to the county's needs.

Frequently asked questions

What is the property tax rate in Sierra County, NM?
The effective rate is 0.52% — meaning the median tax bill equals about 0.52% of the median home value.
How much are property taxes on a median home?
On the median home ($152,600), the estimated annual bill is about $789.
Is Sierra County's rate high or low?
Compare it to the state median of 0.55% and the national average near 1.1%.
How does the effective rate differ from my mill rate?
A mill rate is the nominal levy per $1,000 of assessed value. The effective rate reflects what you actually pay after exemptions and assessments — it's the median tax bill as a share of median home value, so it better predicts your real cost.
Will a reassessment raise my tax bill?
Not necessarily. If your home's assessed value rises, your bill can go up, but only if the mill rate and exemptions stay flat. Contact the Sierra County assessor's office to review your current assessment.
Can I appeal my property tax assessment?
Yes. Most counties allow an appeal when you believe the assessed value exceeds the market value. File with the Sierra County assessor within the local deadline, typically with comparable sales as evidence.
Sources
[1] U.S. Census Bureau — ACS 5-Year (2023) — Median home value (B25077), median real-estate taxes (B25103), median household income (B19013), per-capita income (B19301).
[2] IRS — Statistics of Income — County income, AGI, and real-estate taxes paid.
[3] Tax Foundation — State income, sales, corporate, and estate/inheritance tax rates.