Lambert ZIP Code List — Richland County, MT

There is one unique ZIP code in Lambert, Montana and it is 59243. Area code: 406.

ZIP codes

369.21

sq mi land

1.90

sq mi water

406

area code

Lambert, MT ZIP code map

About Lambert, MT

Lambert, Montana, is a charming, small city located in Richland County. Known for its rural landscape and close-knit community, it offers a serene lifestyle away from the hustle and bustle of larger urban areas. With its single ZIP code 59243, Lambert is a quintessential representation of small-town living in the American West.

Location & geography

Lambert is situated in the northeastern part of Montana, surrounded by expansive ranchlands and farmlands. It is approximately 19 miles from Sidney to the west and around 30 miles east of the North Dakota border, making it an ideal spot for those who appreciate open spaces. The city spans a land area of 369.21 square miles, with a small water area of 1.90 square miles, giving it a predominantly dry terrain.

Community & economy

The character of Lambert is defined by its friendly residents and a strong sense of community. Agriculture plays a significant role in the local economy, with many residents involved in farming and ranching. Daily life in Lambert revolves around community gatherings, local events, and enjoying the natural beauty of the surrounding landscapes.

Transportation

Lambert is located near major highways that facilitate access to other parts of Montana and neighboring states, with Montana Highway 16 being a primary route through the area. The nearest commercial airport can be found in Sidney, approximately 19 miles away, providing additional connectivity for the community. Local transit options are limited, typical for rural areas, and residents often rely on personal vehicles for transportation.

History

Lambert was established in the early 20th century and has a rich agricultural heritage that continues to shape its identity. The primary industries have historically revolved around farming and livestock, reflecting the region's agricultural strengths. Notable events in Lambert's history include the development of local cooperatives and resources that support its farming community.

Did you know?

One surprising fact about Lambert is that it is named after a local family, emphasizing the importance of family ties in small-town America. Additionally, Lambert's remote location allows for breathtaking views of the Big Sky and stunning sunrises and sunsets that attract visitors and photographers alike.

ZIP codes for Lambert, MT (1)

ZIP code	City	County	Map
59243	Lambert	Richland	View map

Demographics & statistics

425

Population

32.3

Median age

$84,500

Median household income

$34,664

Per capita income

$245,000

Median home value

$775

Median monthly rent

77.3%

Home ownership

10.6%

Poverty rate

0.0%

Unemployment

156

Housing units

35.7%

Bachelor's or higher

Age distribution

Male Female

Under 5

5–9

10–14

15–19

20–24

25–34

35–44

45–54

55–59

60–64

65–74

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	127	29.9%
18 and over	298	70.1%
65 and over	51	12.0%
Median age	32.3 years

Race & ethnicity

White 89.6%

Hispanic or Latino 4.3%

Two or more races 4.1%

Other race 1.8%

Asian 0.2%

Group	Count	%
White	398	89.6%
Hispanic or Latino	19	4.3%
Two or more races	18	4.1%
Other race	8	1.8%
Asian	1	0.2%

Household income

Under $10k 6.5%

$10k–$15k 4.5%

$15k–$25k 1.9%

$25k–$35k 7.1%

$35k–$50k 4.5%

$50k–$75k 20.1%

$75k–$100k 13.0%

$100k–$150k 28.6%

$150k–$200k 4.5%

$200k+ 9.1%

Range	% of households
Under $10k	6.5%
$10k–$15k	4.5%
$15k–$25k	1.9%
$25k–$35k	7.1%
$35k–$50k	4.5%
$50k–$75k	20.1%
$75k–$100k	13.0%
$100k–$150k	28.6%
$150k–$200k	4.5%
$200k+	9.1%
Median income	$84,500

Housing

Home values

Under $50k 6.7%

$50k–$100k 22.7%

$100k–$150k 6.7%

$150k–$200k 2.5%

$200k–$300k 27.7%

$300k–$500k 27.7%

$1M+ 5.9%

Housing overview

Metric	Value
Median home value	$245,000
Median rent / month	$775
Owner occupied	77.3%
Renter occupied	22.7%
Vacant	19.4%
Single-family detached	80.6%
Large apartment buildings	0.0%
Mobile homes	14.7%
Median rooms	7.3
Avg household size (owned)	2.49

Year built

Era	%
2020 or later	0.0%
2010–2019	16.2%
2000–2009	9.9%
1990–1999	8.4%
1980–1989	29.8%
1970–1979	12.6%
1960–1969	4.7%
1950–1959	1.6%
1940–1949	2.6%
1939 or earlier	14.1%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	0.0%
2 bedrooms	8.4%
3 bedrooms	54.5%
4 bedrooms	28.3%
5+ bedrooms	8.9%

Vehicles per household

Vehicles	% of households
No vehicle	1.3%
1 vehicle	6.5%
2 vehicles	15.6%
3 or more	76.6%

Heating fuel

Fuel type	%
Utility gas	2.6%
Electricity	29.9%
Propane / LP gas	62.3%
Wood	1.9%
No fuel used	1.9%

Households & families

Household type	Count	%
Married-couple family	98	63.6%
Cohabiting couple	25	16.2%
Male householder, no spouse	22	14.3%
Female householder, no spouse	9	5.8%
Households with children under 18	46	29.9%
Households with seniors (65+)	37	24.0%
Average household size	2.76

Marital status

Status	Male	Female
Never married	31.4%	21.6%
Married	57.0%	73.0%
Separated	0.0%	0.0%
Widowed	6.4%	3.4%
Divorced	5.2%	2.0%

Education

Less than 9th grade 0.0%

Some HS, no diploma 1.6%

HS graduate 26.7%

Some college, no degree 19.2%

Associate's degree 16.9%

Bachelor's degree 31.4%

Graduate / professional 4.3%

Metric	%
HS diploma or higher	98.4%
Bachelor's or higher	35.7%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	6	4.6%
Kindergarten	13	9.9%
Elementary school	54	41.2%
High school	22	16.8%
College / grad school	36	27.5%

Employment

Industry of employment

Education & healthcare 26.7%

Agriculture & mining 25.3%

Transportation & utilities 10.4%

Professional & management 8.6%

Arts, food & hospitality 6.8%

Manufacturing 6.3%

Retail trade 4.5%

Finance & real estate 4.1%

Construction 3.2%

Public administration 3.2%

Other services 0.9%

Occupation

Category	%
Management, business & arts	44.3%
Service	20.4%
Sales & office	14.0%
Natural resources & construction	9.0%
Production & transportation	12.2%

Employment type

Type	%
Private sector	62.0%
Government	22.2%
Self-employed	15.4%
Unpaid family workers	0.5%

Commute

Method	%
Drive alone	70.2%
Carpool	13.8%
Public transit	0.0%
Walk	6.9%
Other means	0.0%
Avg commute (minutes)	27.1

Poverty

All people 10.6%

Under 18 years 0.0%

18 and over 15.1%

Married-couple families 5.1%

Female-led households 0.0%

Income support

Source	% of households
Social Security	20.1%
Retirement income	5.8%
Supplemental Security	2.6%
Cash public assistance	0.0%
Food stamps / SNAP	1.3%

Health indicators

Condition	%
High blood pressure	31.2%
High cholesterol	29.8%
Heart disease	6.7%
Stroke	3.1%
Asthma	9.9%
Arthritis	27.3%
Kidney disease	2.9%
Pulmonary disease	6.7%
Cancer	7.1%

Behavior / access	%
Binge drinking	22.1%
No physical activity	22.3%
Less than 7 hrs sleep	29.4%
Fair or poor health	12.7%
Poor mental health	12.6%
Poor physical health	10.6%
No health insurance	11.7%
Visited doctor (checkup)	70.3%
Visited dentist	62.4%
Cholesterol screening	88.7%
Teeth loss	13.9%

Veterans & disability

Veterans	Count	%
Civilian veterans	2	0.7%

Disability	%
Any disability	4.0%
Under 18	0.0%
18–64 years	2.8%
65 and over	19.6%

Health insurance coverage

Type	%
Private insurance	84.5%
Public insurance	20.2%
Uninsured under 19	0.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	393	92.5%
Spanish	2	0.5%
Other Indo-European	2	0.5%
Asian & Pacific Islander	0	0.0%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	424	99.8%
Born in same state	409	96.2%
Born in different state	336	79.1%
Foreign born	15	3.5%
Naturalized citizen	1	0.2%
Not a US citizen	0	0.0%

Ancestry

Ancestry	Count	%
Polish	99	23.3%
Italian	35	8.2%
Arab	27	6.4%
German	23	5.4%

Ancestry	Count	%
Dutch	20	4.7%
English	8	1.9%
Irish	5	1.2%
French	3	0.7%

Technology access

Metric	% of households
Computer access	36.2%
Internet access	98.7%

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

Frequently asked questions

What is the ZIP code for Lambert, MT?

Lambert, MT has one ZIP code: 59243.

What is the main ZIP code for Lambert, MT?

The primary ZIP code for Lambert, MT is 59243. The city uses area code 406 for phone service.

What county is Lambert, MT in?

Lambert is located in Richland County, Montana.

How many ZIP codes are in Lambert, MT?

Lambert, MT has 1 ZIP code.

What is the ZIP code for mailing correspondence to businesses in downtown Lambert, MT?

The ZIP code for downtown Lambert and the surrounding business district is 59243. This single ZIP code serves the entire Lambert community in Richland County.

If I'm sending a package to a residence in Lambert, MT, what ZIP code should I use?

All residential addresses in Lambert, Montana use the ZIP code 59243, as it is the only ZIP code that covers the entire city.