Average mortgage payment in Montgomery County, TX (2026)
The average mortgage payment in Montgomery County on a median-priced home (~$365,000) is roughly $3,142/month — assuming 10% down at a 6.85% 30-year fixed rate and Texas's 1.81% 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 $134,660. County population is roughly 620,443.
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How Montgomery County compares to Texas
The typical home in Montgomery County is 22% above the statewide median of $300,000 in Texas. Property tax is set at the state's effective rate of 1.81% — 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 Montgomery County?+
On a median Montgomery County home (~$365,000) at a 6.85% 30-year fixed rate with 10% down, all-in PITI runs about $3,142/month, including ~$551 in property tax.
What income do I need to buy a home in Montgomery County?+
Using the 28% front-end DTI rule, you'd need roughly $134,660 in annual gross household income to comfortably carry the median Montgomery County home.
How does Montgomery County compare to the rest of Texas?+
Montgomery County's median home ($365,000) is 22% above the Texas median of $300,000.
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.