PlainZIP

Fairfield, MT · standard

ZIP Code 59436

Teton County, Montana - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.

1,827
3/sq mi
$80,652
Median income
$324,100
Median home value
27.8%
Bachelor's or higher

The verdict

Fairfield pairs an above-median household income with above-median home values, in a rural, homeowner-dominated area.

Top 37%
household income, US ZIPs
Top 30%
home value, US ZIPs
3
people per sq mi
80%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 59436 against every reporting US ZIP.

ZIP code 59436 covers 676.7 square miles in Fairfield, Teton County, Montana (a standard USPS delivery area), with a modest 1,827 residents on file, a density of 3 people per square mile, in the Denver time zone.

ZIP 59436 lands in the middle-income range, with a median household income of $80,652 (15% above the Montana average), while per-capita income is $33,371. 5.8% of residents live below the poverty line, and the unemployment rate reads 1.7%. Housing costs here run $324,100 for a typical home value (1% below the state average), with rent averaging $830 a month; 79.8% of homes are owner-occupied.

Educational attainment sits below the national norm: 27.8% of adults hold a bachelor's degree or higher, the median age is 36.3, and the average commute is 25 minutes. The state and national benchmarks above give 59436's numbers context; they should not be read in isolation.

Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →

Top industries in ZIP 59436

Top 5 sectors by establishment count in Fairfield, MT

Which industries have the most business establishments in ZIP 59436.

establishments

What this shows Establishment counts come from the Census ZIP Code Business Patterns program, which counts physical business locations rather than employees or revenue.

Source U.S. Census Bureau · ZIP Code Business Patterns (ZBP) As of 2023

Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + FHFA HPI ACS demographics and median rent, ZBP business establishments, FHFA HPI for ZIP 59436, Fairfield, MT · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; FHFA HPI updated quarterly/annually.

Quick Facts

1,827

Population

676.7

Area (sq mi)

3

People / sq mi

Denver

Time Zone

standard

ZIP Type

Neighborhood Scorecard
Get an A-F grade across income, safety, housing, rent, education, commute, and childcare for this ZIP code.
View Scorecard →

Who lives in ZIP 59436?

36.3

Median Age

49.8%

Male

50.2%

Female

0.5%

Foreign-Born

White 90.1%
African American 0.8%
Asian 0.0%
American Indian or Alaska Native 1.2%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 5.6%
Hispanic or Latino 4.7%

Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

How much do residents earn?

$80,652

Median Household Income

+15% vs state

$33,371

Per Capita Income

5.8%

Poverty Rate

1.7%

Unemployment Rate

24.5 min

Mean Commute Time

How ZIP 59436 ranks nationally

Fairfield, MT household income vs. every US ZIP code

Median household income, the full national distribution, with this ZIP marked

$80,652 Top 37% higher than 63% of 30,318 US ZIPs

$0–$20,000: 118 US ZIPs (0%). Below this entry. $20,000–$40,000: 1,573 US ZIPs (5%). Below this entry. $40,000–$60,000: 7,092 US ZIPs (23%). Below this entry. $60,000–$80,000: 9,980 US ZIPs (33%). Below this entry. $80,000–$100,000: 5,778 US ZIPs (19%). This entry sits in this band. $100,000–$120,000: 2,855 US ZIPs (9%). Above this entry. $120,000–$140,000: 1,362 US ZIPs (4%). Above this entry. $140,000–$160,000: 686 US ZIPs (2%). Above this entry. $160,000–$180,000: 364 US ZIPs (1%). Above this entry. $180,000–$200,000: 186 US ZIPs (1%). Above this entry. $200,000–$220,000: 324 US ZIPs (1%). Above this entry. This ZIP $0 $200K+ every reporting US ZIP, bucketed by value

Each bar is a $20K-wide band; taller bars hold more US ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source U.S. Census Bureau, ACS 5-Year Estimates · 2019–2023

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What is the education profile here?

High School Graduate or Higher 59.5%
Bachelor's Degree or Higher 27.8%

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What does housing look like?

878

Total Housing Units

806

Occupied Units

72

Vacant Units

2.52

Avg Household Size

Occupancy Type

Owner 79.8%
Renter 20.2%

$324,100

Median Home Value

-1% vs state

$830

Median Rent

1970

Median Year Built

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

How have home values changed over time?

FHFA House Price Index, annual appreciation data based on repeat sales and appraisals

+23.4%

YoY Change (2024)

341

HPI Index (2000 = 100)

+241%

Total Change Since 2000

Home values in ZIP 59436 have increased 23.4% over the past year (2024). Since 2000, this ZIP has seen +241% cumulative appreciation.

Year Annual Change HPI Index
2020 +4.5% 199
2021 +14.2% 227
2022 +30.1% 295
2023 -6.4% 276
2024 +23.4% 341

Source: Federal Housing Finance Agency (FHFA) House Price Index, All-Transactions, Five-Digit ZIP Codes (Developmental Index). Index base = 100 in year 2000. Data through 2024. ZIP codes with few transactions may show missing values.

What businesses operate in this ZIP?

Census Bureau data shows 65 business establishments in ZIP 59436, employing approximately 722 people with a combined annual payroll of $53,830,000.

65

Businesses

722

Employees

$53.8M

Annual Payroll

10

Industry Sectors

Industry Establishments % of Total
Construction 15 23.1%
Retail trade 7 10.8%
Other services (except public administration) 6 9.2%
Transportation and warehousing 4 6.2%
Finance and insurance 4 6.2%
Real estate and rental and leasing 4 6.2%
Administrative and support and waste management and remediation services 4 6.2%
Health care and social assistance 4 6.2%
Accommodation and food services 4 6.2%
Utilities 3 4.6%

Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.

More ZIP Codes in Teton County

59422 standard
Choteau, MT
Pop: 2,643
59433 standard
Dutton, MT
Pop: 594
59468 standard
Power, MT
Pop: 571
59467 standard
Pendroy, MT
Pop: 259
59419 standard
Bynum, MT
Pop: 96

Related Areas

Teton County Fairfield, MT Montana

Frequently Asked Questions

What county is ZIP code 59436 in? ▼
ZIP code 59436 (Fairfield) is located in Teton County, Montana. Teton County contains multiple ZIP codes, see the full list at /counties/teton-mt.
What is the population of ZIP code 59436? ▼
ZIP code 59436 in Fairfield, MT has a population of 1,827 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 59436? ▼
The median household income in ZIP 59436 is $80,652, which is 6% above the national average of $76,288.
What is the average home value in ZIP 59436? ▼
The median home value in ZIP 59436 is $324,100, which is 17% above the national average of $278,155.
What is the demographic makeup of ZIP 59436? ▼
The largest racial group in ZIP 59436 is White at 90.1%. Hispanic or Latino residents make up 4.7% of the population.
How many businesses are in ZIP code 59436? ▼
ZIP code 59436 has 65 business establishments employing approximately 722 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 59436? ▼
The top industries by establishment count in ZIP 59436 are: Construction (15), Retail trade (7), Other services (except public administration) (6). There are 10 industry sectors represented in total.
How have home values changed in ZIP code 59436? ▼
According to the FHFA House Price Index, home values in ZIP 59436 increased by 23.4% in 2024. Since 2000, home values in this ZIP have appreciated by approximately 241%. This is a developmental index based on repeat sales and appraisal data from Fannie Mae and Freddie Mac.
What is the education level in ZIP code 59436? ▼
In ZIP code 59436, 59.5% of residents aged 25+ have a high school diploma or higher, and 27.8% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What is the average commute time in ZIP 59436? ▼
The mean commute time for workers in ZIP code 59436 is 24.5 minutes according to Census ACS data. The national average is roughly 26 minutes, so commuters here spend less time traveling to work than typical.
What percentage of residents own vs. rent in ZIP 59436? ▼
In ZIP code 59436, approximately 79.8% of occupied housing units are owner-occupied and 20.2% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 59436? ▼
The poverty rate in ZIP code 59436 is 5.8% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.

Read our methodology to see how this data is sourced, computed, and verified.