59740 ZIP Code — Mc Allister, MT

Madison County, Montana

ZIP code 59740 is located in Mc Allister, Montana, within Madison County. It covers approximately 155.80 square miles and serves a population of 435 residents. This is a standard ZIP code in the Mountain (MT) timezone, served by area code 406.

About ZIP code 59740

The housing stock consists of predominantly single-family detached homes. Much of the housing stock is relatively new, reflecting recent development activity. Median home value is $608,700. Owner-occupancy is high at 88%, well above the national average.

Median household income is $43,873. The poverty rate of 5% is below the national average. 55% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is sales and office, with retail trade as the leading industry.

College attainment at 13% is below the national average, consistent with a trades and production-oriented local economy.

21% of residents lack health insurance, above the national average.

Overall, ZIP code 59740 reflects a community defined by a trades-oriented workforce, high homeownership, and a significant Social Security-dependent population.

435

population

155.80

sq mi land

Standard

ZIP type

Mountain (MT)

timezone

59740 ZIP code map

Cities in ZIP code 59740

Below are the cities the US Postal Service accepts for ZIP code 59740. Using any city not on this list may result in mail delivery delays.

City	Status
Mc Allister	Acceptable

Demographics updated 06/2026

Population
Total population	435
Population density	3 / sq mi
State FIPS	30
County FIPS	057

Geography
Land area	155.80 sq mi
Water area	6.24 sq mi
Latitude	45.4791
Longitude	-111.8203
Timezone	Mountain (MT)
Area code	406

Total population by age

Gender

Race & ethnicity

Economics updated 06/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	66.2%	43.6%	44.2%
$50k – $100k	23.7%	33.3%	32.0%
$100k – $200k	0.0%	18.2%	19.2%
Over $200k	10.1%	5.0%	4.7%

Demographics & statistics

435

Population

People per sq mi

59.2

Median age

$43,873

Median household income

$25,470

Per capita income

$608,700

Median home value

Median monthly rent

87.8%

Home ownership

4.8%

Poverty rate

0.0%

Unemployment

298

Housing units

12.6%

Bachelor's or higher

Age distribution

Male Female

5–9

15–19

35–44

55–59

60–64

104

75–84

← Male

Female →

Age summary

Group	Count	%
Under 18	44	10.1%
18 and over	391	89.9%
65 and over	158	36.3%
Median age	59.2 years

Race & ethnicity

White 100%

Group	Count	%
White	435	100%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	66.2%	43.6%	44.2%
$50k – $100k	23.7%	33.3%	32.0%
$100k – $200k	0.0%	18.2%	19.2%
Over $200k	10.1%	5.0%	4.7%

$10k–$15k 10.7%

$15k–$25k 16.8%

$35k–$50k 50.3%

$75k–$100k 12.2%

$100k–$150k 6.6%

$200k+ 3.6%

Range	% of households
$10k–$15k	10.7%
$15k–$25k	16.8%
$35k–$50k	50.3%
$75k–$100k	12.2%
$100k–$150k	6.6%
$200k+	3.6%
Median income	$43,873

Housing

Home values

$200k–$300k 7.5%

$300k–$500k 4.0%

$500k–$1M 88.4%

Housing overview

Metric	Value
Median home value	$608,700
Median rent / month	$0
Owner occupied	87.8%
Renter occupied	12.2%
Vacant	38.8%
Single-family detached	89.8%
Large apartment buildings	0.0%
Mobile homes	10.2%
Median rooms	4.3
Avg household size (owned)	1.68

Year built

Era	%
2020 or later	0.0%
2010–2019	32.9%
2000–2009	23.3%
1990–1999	18.3%
1980–1989	0.0%
1970–1979	10.2%
1960–1969	7.8%
1950–1959	0.0%
1940–1949	0.0%
1939 or earlier	7.5%

Bedrooms

Size	% of units
No bedroom (studio)	10.2%
1 bedroom	0.0%
2 bedrooms	28.9%
3 bedrooms	60.9%
4 bedrooms	0.0%
5+ bedrooms	0.0%

Vehicles per household

Vehicles	% of households
No vehicle	10.7%
1 vehicle	0.0%
2 vehicles	20.3%
3 or more	69.0%

Heating fuel

Fuel type	%
Propane / LP gas	79.7%
Wood	20.3%

Households & families

Household type	Count	%
Married-couple family	143	72.6%
Cohabiting couple	0	0.0%
Male householder, no spouse	33	16.8%
Female householder, no spouse	21	10.7%
Households with children under 18	42	21.3%
Households with seniors (65+)	88	44.7%
Average household size	2.21

Marital status

Status	Male	Female
Never married	37.8%	0.0%
Married	50.0%	85.9%
Separated	0.0%	0.0%
Widowed	12.2%	14.1%
Divorced	0.0%	0.0%

Education

Less than 9th grade 0.0%

Some HS, no diploma 4.4%

HS graduate 37.2%

Some college, no degree 21.8%

Associate's degree 24.0%

Bachelor's degree 12.6%

Graduate / professional 0.0%

Metric	%
HS diploma or higher	95.6%
Bachelor's or higher	12.6%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	0	0.0%
Kindergarten	0	0.0%
Elementary school	16	13.6%
High school	102	86.4%
College / grad school	0	0.0%

Employment

Industry of employment

Retail trade 55.7%

Agriculture & mining 17.0%

Arts, food & hospitality 10.8%

Public administration 9.8%

Transportation & utilities 6.7%

Occupation

Category	%
Management, business & arts	5.2%
Service	20.6%
Sales & office	50.5%
Natural resources & construction	17.0%
Production & transportation	6.7%

Employment type

Type	%
Private sector	77.8%
Government	9.8%
Self-employed	12.4%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	71.6%
Carpool	16.0%
Public transit	0.0%
Walk	0.0%
Work from home	12.4%
Other means	0.0%
Avg commute (minutes)	0.0

Poverty

All people 4.8%

Under 18 years 0.0%

18 and over 5.4%

Married-couple families 0.0%

Female-led households 0.0%

Income support

Source	% of households
Social Security	55.3%
Retirement income	44.7%
Supplemental Security	0.0%
Cash public assistance	0.0%
Food stamps / SNAP	0.0%

Health indicators

Condition	%
Obesity	29.5%
High blood pressure	32.9%
High cholesterol	35.6%
Diabetes	10.1%
Heart disease	7.2%
Stroke	3.2%
Asthma	9.4%
Arthritis	29.5%
Kidney disease	3.1%
Pulmonary disease	6.9%
Cancer	8.5%

Behavior / access	%
Smoking	15.3%
Binge drinking	19.9%
No physical activity	19.7%
Less than 7 hrs sleep	27.9%
Depression	20.2%
Fair or poor health	11.8%
Poor mental health	11.3%
Poor physical health	10.5%
No health insurance	9.6%
Visited doctor (checkup)	73.1%
Visited dentist	66.7%
Cholesterol screening	92.5%
Teeth loss	10.1%

Veterans & disability

Veterans	Count	%
Civilian veterans	0	0.0%

Disability	%
Any disability	1.8%
Under 18	0.0%
18–64 years	0.0%
65 and over	5.1%

Health insurance coverage

Type	%
Private insurance	50.6%
Public insurance	63.4%
No insurance	20.5%
Uninsured under 19	0.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	435	100.0%
Spanish	0	0.0%
Other Indo-European	0	0.0%
Asian & Pacific Islander	0	0.0%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	435	100.0%
Born in same state	435	100.0%
Born in different state	173	39.8%
Foreign born	0	0.0%
Naturalized citizen	0	0.0%
Not a US citizen	0	0.0%

Ancestry

Ancestry	Count	%
Italian	102	23.4%

Ancestry	Count	%
French	13	3%

Technology access

Metric	% of households
Computer access	45.3%
Internet access	83.2%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions about ZIP code 59740

What city is ZIP code 59740 in?

ZIP code 59740 is primarily assigned to Mc Allister, Montana.

What county is ZIP code 59740 in?

ZIP code 59740 falls within Madison County, Montana.

Does ZIP code 59740 have an older population?

36% of residents in ZIP code 59740 are 65 or older, above the national average of ~17%.

Does ZIP code 59740 have a large retiree population?

55% of households in ZIP code 59740 receive Social Security income, suggesting a significant retiree or disability population.

Is ZIP code 59740 mostly owner-occupied?

88% of occupied units in ZIP code 59740 are owner-occupied, well above the national average.

How educated is the population of ZIP code 59740?

13% of residents hold a bachelor's degree or higher — below the national average of ~33%, consistent with a trades-oriented local economy.

What timezone is ZIP code 59740 in?

ZIP code 59740 observes the MST timezone.