House Prices

House Prices & Home Values Decker, MT 2026


Average Data

average house price$665,000
average size per house7224 ft²
average price per ft²93 $ / ft²

05/26/2026 - The value range (VR) for house prices in Decker, MT is $92/ sqft to $92/ sqft. An average home with 7224 sqft costs approximately $664,608 to $664,608. Decker, MT includes 1 ZIP codes and it is located in Big Horn county. The lowest prices are found in ZIP 59025, while the highest are in ZIP 59025. The average price per sqare feet is $93. Our analysis is based on 1 property listings.

Avergage prices by ZIP codes Decker

59025101 $ / ft²




Historical development of home values in Decker

Year Estimated value (USD) Change vs. 2025
2010 $308,838 -53.6%
2011 $296,895 -55.4%
2012 $296,096 -55.5%
2013 $307,163 -53.8%
2014 $322,437 -51.5%
2015 $338,985 -49.0%
2016 $356,676 -46.4%
2017 $375,927 -43.5%
2018 $396,710 -40.3%
2019 $415,105 -37.6%
2020 $436,564 -34.4%
2021 $496,545 -25.3%
2022 $578,860 -13.0%
2023 $610,434 -8.2%
2024 $645,749 -2.9%
2025 $665,000 0.0%

Graph: estimated home values in Decker over time (USD)



Example: 100% financing house in Decker

Loan amount: $665,000

Interest rate: 6.00%

Fixed monthly payment: $3,987.01

Breakdown in the 1st month:
Interest portion: $3,325.00  –  Principal portion: $662.01

Yearly breakdown (100% financing)

Year Interest per year ($) Principal per year ($) Remaining balance at year-end ($)
1 $39,677.85 $8,166.28 $656,833.72
2 $39,174.18 $8,669.96 $648,163.77
3 $38,639.43 $9,204.70 $638,959.07
4 $38,071.71 $9,772.43 $629,186.64
5 $37,468.96 $10,375.17 $618,811.47
6 $36,829.05 $11,015.09 $607,796.39
7 $36,149.66 $11,694.47 $596,101.92
8 $35,428.37 $12,415.76 $583,686.16
9 $34,662.59 $13,181.54 $570,504.62
10 $33,849.59 $13,994.55 $556,510.07
11 $32,986.43 $14,857.70 $541,652.37
12 $32,070.04 $15,774.09 $525,878.28
13 $31,097.13 $16,747.00 $509,131.28
14 $30,064.21 $17,779.92 $491,351.36
15 $28,967.59 $18,876.55 $472,474.82
16 $27,803.32 $20,040.81 $452,434.01
17 $26,567.25 $21,276.88 $431,157.12
18 $25,254.94 $22,589.19 $408,567.93
19 $23,861.68 $23,982.45 $384,585.48
20 $22,382.50 $25,461.63 $359,123.85
21 $20,812.08 $27,032.05 $332,091.80
22 $19,144.80 $28,699.33 $303,392.47
23 $17,374.69 $30,469.44 $272,923.03
24 $15,495.40 $32,348.73 $240,574.31
25 $13,500.21 $34,343.93 $206,230.38
26 $11,381.95 $36,462.18 $169,768.20
27 $9,133.04 $38,711.09 $131,057.10
28 $6,745.42 $41,098.71 $89,958.40
29 $4,210.55 $43,633.59 $46,324.81
30 $1,519.32 $46,324.81 $0.00

Note: The calculation is based on a standard annuity mortgage with a fixed monthly payment over the entire term. Extra payments, interest rate changes, and additional purchase costs (e.g. taxes, notary fees) are not included.


How to sell in Decker, MT


1500 sqft3900 sqft
Ø selling price$168,795$359,073
Ø fast selling$153,450$323,166
Ø high price sale$184,141$394,981

In 2026, houses in Decker, MT will be offered at an average price of $93 per square foot. A 1,500 sqft home priced at $168,795 is 25.16% more expensive per square foot than a 3,900 sqft home priced at $359,073. Home prices in Decker, MT vary significantly depending on the neighborhood and location. For a quick sale, a 2,700 sqft home should be listed at around $248,590. Sellers who can wait longer may achieve a higher price of up to $303,831.


Discover Decker, MT

Overview

Decker, MT is a quiet unincorporated community in southeastern Montana near the Wyoming border and the scenic Tongue River Reservoir.
Known for wide-open prairies and deep ranching roots, it offers an authentic Western atmosphere and a peaceful, crowd-free escape.

Location and Landscape

Set in Big Horn County among rolling grasslands and cottonwood-lined river valleys, Decker delivers sweeping big-sky vistas and dramatic sunrises.

Outdoor enthusiasts base here for fishing, boating, and paddling on the nearby Tongue River Reservoir.

Wildlife watching, photography, and seasonal hunting add to the area?s natural appeal.

Things to Do and See

Visitors enjoy relaxed day trips across ranch country and nearby public lands, with miles of quiet roads perfect for scenic drives.

Stargazing is exceptional thanks to minimal light pollution, and birders often spot eagles, hawks, and migratory waterfowl.

In town and the surrounding area, community gatherings and brandings highlight the region?s working-ranch culture.

Travel Tips and Services

Plan ahead for fuel, food, and lodging, as services are limited in Decker, Montana, with fuller amenities available in Sheridan, Wyoming, and Ashland, MT.

For research and trip planning, search terms like Decker MT travel, Tongue River Reservoir boating, and southeastern Montana ranch country help locate maps, weather, and road conditions.



FAQ – Home Values in Decker

What is the median home value in Decker in 2026?

In 2026, the typical home value in Decker is about $665,000 for an average home size of 7224 square feet. This corresponds to an average price of roughly $93 per square foot.

What is the average cost per square foot in Decker?

In 2026, homes in Decker sell for an average of around $93 per square foot, with a typical range between $92 and $92 per square foot, depending on the property’s location, condition, and lot size.

What is the average home size in ?

The average home size in Decker is about 7224 square feet, with an estimated 2026 value around $665,000.



Locations close to Decker, MT

Edgar, MT107 $ / ft²
Emigrant, MT2321 $ / ft²
Fishtail, MT232 $ / ft²
Custer, MT1240 $ / ft²
Crow Agency, MT91 $ / ft²
Cooke City, MT106 $ / ft²
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