Average mortgage payment in Doña Ana County, NM (2026)
The average mortgage payment in Doña Ana County on a median-priced home (~$315,000) is roughly $2,477/month — assuming 10% down at a 6.85% 30-year fixed rate and New Mexico's 0.80% effective property tax rate (full PITI).
To carry that payment under the standard 28% front-end DTI rule, you'd need an annual household income near $106,143. County population is roughly 219,561.
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How Doña Ana County compares to New Mexico
The typical home in Doña Ana County is 7% above the statewide median of $295,000 in New Mexico. Property tax is set at the state's effective rate of 0.80% — local millage and special assessments vary by county, but this is the right starting point.
The payment above bakes in principal, interest, property tax, and homeowners insurance — it does not include HOA dues or mortgage insurance (PMI). PMI kicks in automatically when down payment is below 20% on a conventional loan. For a full breakdown, run your own numbers in the main calculator.
Frequently asked questions
What is the average mortgage payment in Doña Ana County?+
On a median Doña Ana County home (~$315,000) at a 6.85% 30-year fixed rate with 10% down, all-in PITI runs about $2,477/month, including ~$210 in property tax.
What income do I need to buy a home in Doña Ana County?+
Using the 28% front-end DTI rule, you'd need roughly $106,143 in annual gross household income to comfortably carry the median Doña Ana County home.
How does Doña Ana County compare to the rest of New Mexico?+
Doña Ana County's median home ($315,000) is 7% above the New Mexico median of $295,000.
Does this include HOA fees or PMI?+
No. HOA dues vary too widely to assume a default — add them directly to the payment. PMI applies when you put less than 20% down on a conventional loan; the main calculator factors it in automatically.