Lake County, Montana Population 2024

33,823

Lake County, Montana's estimated 2024 population is 33,823 with a growth rate of 1.45% in the past year according to the most recent United States census data. Lake County, Montana is the 9th largest county in Montana. The 2010 population was 28,792 and has seen a growth of 17.47% since that time.

Note: data after 2022 is projected based on recent change
Year
Population
Growth
Change
202936,2484851.36%
202835,7634851.37%
202735,2784851.39%
202634,7934851.41%
202534,3084851.43%
202433,8234851.45%
202333,3384851.48%
202232,8537632.38%
202132,0908322.66%
202031,2586722.2%
201930,5862400.79%
201830,346690.23%
201730,2775551.87%
201629,7222400.81%
201529,4822460.84%
201429,236980.34%
201329,1381170.4%
201229,021380.13%
201128,9831910.66%
201028,79200%
199021,0411,98510.42%
198019,0564,61131.92%
197014,4451,34110.23%
196013,104-731-5.28%
195013,8353452.56%
194013,4903,94941.39%
19309,541-26,707-73.68%
2024 Growth Rate
1.45% (485)
County Website
Lake County
State
Montana
County Seat
Polson
2020 Population
31,258
Area
1490 mi²
Density
23 people/mi²
Growth Since 2020
8.21% (2,565)
Founded
1923

Population by Race

Race
Population
Percentage (of total)
White20,55865.24%
Native American6,96122.09%
Two or more races3,30110.48%
Other race3551.13%
Asian2060.65%
Black or African American790.25%
Native Hawaiian or Pacific Islander490.16%

White

Native American

Two or more races

Other race

Asian

Black or African American

Native Hawaiian or Pacific Islander

Lake County, Montana Population by Race

Lake County, Montana Population Pyramid 2024

Lake County, Montana Median Age

43.7

Total

42.4

Male

44.7

Female

Lake County, Montana Adults

There are 24,381 adults, (7,232 of whom are seniors) in Lake County, Montana.

Lake County, Montana Age Dependency

83.7

Age Dependency Ratio

42.2

Old Age Dependency Ratio

41.6

Child Dependency Ratio

Lake County, Montana Sex Ratio

Female15,87950.4%
Male15,63049.6%

Lake County, Montana Population by Age

Lake County, Montana Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All12,0502.5771.928.1
Married6,1243.184.115.9
Non Family3,9631.3162.337.7
Female1,4763.3350.649.4
Male4873.9261.438.6

3.09

Average Family Size

2.57

Average Household Size

71.9%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Lake County, Montana Households and Families

Male

Female

Education Attained
Count
Percentage
9th to 12th Grade1,1155.05%
Associates Degree2,48311.25%
Bachelors Degree4,59320.82%
Graduate Degree2,45511.13%
High School Graduate5,63825.55%
Less Than 9th Grade5852.65%
Some College5,19523.55%

Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

Lake County, Montana Educational Attainment by Sex (over 25)

Lake County, Montana Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

Race
Total
High School
Bachelors
White15,75514,8595,552
Native American3,9273,344911
2+ Races1,7031,591405
Hispanic698602163
Other Race30321568
Asian18817556
Black484813
Islander272723

The highest rate of high school graduation is among black people with a rate of 100%.

The highest rate of bachelors degrees is among islander people with a rate of 85.19%.

Lake County, Montana Educational Attainment by Race

All

Male

Female

Name
Average
Male
Female
Bachelors Degree$44,118$55,951$34,488
Graduate Degree$63,025$68,885$56,250
High School Graduate$30,543$36,240$21,855
Less Than 9th Grade$17,969$31,500$0
Overall$36,233$42,903$30,488
Some College$32,554$38,528$27,432

$36,233

Average Earnings

$42,903

Average Male

$30,488

Average Female

Lake County, Montana Earnings by Educational Attainment

Lake County, Montana Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

Lake County, Montana Language

93.17% of Lake County, Montana residents speak only English, while 6.83% speak other languages. The non-English language spoken by the largest group is Other languages, which is spoken by 2.66% of the population.

Lake County, Montana Language

Lake County, Montana Poverty by Race

rate

Name
Total
In Poverty
Poverty Rate
White20,0822,50612.48%
Native6,7432,29534.04%
Multiple3,27686726.47%
Hispanic1,38349335.65%
Other3537320.68%
Black793443.04%
Islander4948.16%

18.99%

Overall Poverty Rate

19.4%

Male Poverty Rate

18.59%

Female Poverty Rate

Poverty in Lake County, Montana

The race most likely to be in poverty in Lake County, Montana is Black, with 43.04% below the poverty level.

The race least likely to be in poverty in Lake County, Montana is Islander, with 8.16% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 3.63%. Among those working part-time, it was 20.56%, and for those that did not work, the poverty rate was 25.92%.

Lake County, Montana Poverty

rate

Rate
Poverty
Less Than 9th Grade42.83%
High School20.65%
Some College14.68%
Bachelors or Greater6.71%

Lake County, Montana Poverty Rate by Education

rate

Rate
Poverty
Female Unemployed41.44%
Male Unemployed23.56%
Female Employed11.15%
Male Employed9.47%

Lake County, Montana Poverty Rate by Employment Status and Sex

Lake County, Montana Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

Name
Median
Mean
Families$72,147$90,762
Households$58,009$78,186
Married Families$83,431$-999,999,999
Non Families$30,285$44,507

mean

median

Income by Household Type

Lake County, Montana Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

51.6%

Overall Marriage Rate

52.7%

Male Marriage Rate

50.5%

Female Marriage Rate

Lake County, Montana Married by Age and Sex

male

female

Lake County, Montana Marriage

The age group where males are most likely to be married is 45-54, while the female age group most likely to be married is 55-64.

Lake County, Montana Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

Lake County, Montana Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

2,447

Number of Veterans

2,219

Male Veterans

228

Female Veterans

War
Veterans
Vietnam1,214
First Gulf War564
Second Gulf War513
Korea112
World War II17

Lake County, Montana Veterans by War

count

Age Group
Veterans
65 to 74879
75+605
35 to 54525
55 to 64288
18 to 34150

Lake County, Montana Veterans by Age

count

Name
Veterans
% of Total
White1,93811.33%
Native American3357.14%
2+ Races1487.6%
Hispanic515.96%
Other Race267.72%

Lake County, Montana Veterans by Race

Lake County, Montana Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

8.72%

Veteran Poverty Rate

29.86%

Veteran Disability Rate

Lake County, Montana Veterans by Education

LaborForceParticipation

56.6%

Labor Force Participation

52.9%

Employment Rate

6.5%

Unemployment Rate

Lake County, Montana Employment by Age

LaborForceParticipation

Lake County, Montana Employment by Race

LaborForceParticipation

Lake County, Montana Employment by Education

Origin of Non-Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.

Origin of Naturalized Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

55.37%

Born in Lake County, Montana

97.5%

Native Born

2.5%

Foreign Born

1.34%

Non Citizen

1.16%

Naturalized

Place of Birth

97.5% of Lake County, Montana residents were born in the United States, with 55.37% having been born in Montana. 1.34% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Europe.

Lake County, Montana Place of Birth

Sources