Martin County, Minnesota Population 2021

Martin County, Minnesota's estimated population is 19,505 with a growth rate of -0.45% in the past year according to the most recent United States census data. Martin County, Minnesota is the 50th largest county in Minnesota. The 2010 Population was 20,805 and has seen a growth of -6.25% since this time.

Note: 2020 and 2021 data is projected
Year Population Growth Growth Rate
202119,505-89-0.45%
202019,594-89-0.45%
201919,683-89-0.45%
201819,772-94-0.47%
201719,866-38-0.19%
201619,904-132-0.66%
201520,036-208-1.03%
201420,244-178-0.87%
201320,422-37-0.18%
201220,459-165-0.80%
201120,624-181-0.87%
201020,805-2,109-9.20%
199022,914-1,773-7.18%
198024,6873711.53%
197024,316-2,670-9.89%
196026,9861,3315.19%
195025,6559994.05%
194024,6562,25510.07%
193022,4011,3166.24%
192021,0853,56720.36%
191017,5185823.44%
190016,9367,53380.11%
18909,4034,15479.14%
18805,2491,38235.74%
18703,8673,7162460.93%
18601510.00%
2021 Growth Rate
-0.45%
County Website
Founded
May 23, 1857
County Seat
2010 Population
20,805
Growth Since 2010
-6.25%
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Martin County, Minnesota Population Growth

Population by Race

Race Population Percentage
White19,11796.30%
Two or More Races2831.43%
Some Other Race2121.07%
Asian1020.51%
Black or African American920.46%
American Indian and Alaska Native300.15%
Native Hawaiian and Other Pacific Islander160.08%
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Martin County, Minnesota Population by Race

Martin County, Minnesota Population Pyramid $2021

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Martin County, Minnesota Median Age

45.3


Total

43.5


Male

48


Female

Martin County, Minnesota Adults

There are 15,523 adults, (4,555 of whom are seniors) in Martin County, Minnesota.

Martin County, Minnesota Age Dependency

81

Age Dependency Ratio

41.5

Old Age Dependency Ratio

39.5

Child Dependency Ratio

Martin County, Minnesota Sex Ratio

Female

9,900

49.87%

Male

9,952

50.13%

Martin County, Minnesota Population by Age

Martin County, Minnesota Renter vs Owner Occupied by Household Type

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Martin County, Minnesota Household Types

Type Owner Renter
Married89.9%10.1%
All73.8%26.2%
Male63.8%36.2%
Female58%42%
Non Family56.9%43.1%

73.8%

Rate of Home Ownership

Martin County, Minnesota Households and Families

Type Count Average Size Owned
All8,7592.2373.8
Married4,3672.8389.9
Non Family3,2461.1756.9
Female6742.7758
Male4723.2263.8

2.76

Average Family Size

2.23

Average Household Size

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Martin County, Minnesota Households by Type

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Education Attained Count Percentage
Less Than 9th Grade3292.34%
9th to 12th Grade6294.48%
High School Graduate5,32837.91%
Some College3,19222.71%
Associates Degree1,69912.09%
Bachelors Degree2,10414.97%
Graduate Degree7745.51%
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Martin County, Minnesota Educational Attainment by Sex (over 25)

Martin County, Minnesota Educational Attainment by Race

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Race Total High School Bachelors
White13,40712,5332,789
Hispanic42937656
Other Race1261253
2+ Races1059432
Asian8585
Native American2361
Black127
Islander22

The highest rate of high school graduation is among asian people with a rate of 100.00%.

The highest rate of bachelors degrees is among 2+ races people with a rate of 30.48%.

Martin County, Minnesota Educational Attainment by Race

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Name Average Male Female
Overall$38,833$45,961$31,086
Less Than 9th Grade$25,978$45,833$20,515
High School Graduate$32,500$39,228$25,740
Some College$36,880$45,750$30,343
Bachelors Degree$47,649$60,729$42,054
Graduate Degree$78,561$81,944$67,039

$38,833

Average Earnings

$45,961

Average Male

$31,086

Average Female

Martin County, Minnesota Earnings by Educational Attainment

Martin County, Minnesota Language by Age

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Martin County, Minnesota Language

96.24% of Martin County, Minnesota residents speak only English, while 3.76% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 2.68% of the population.

Martin County, Minnesota Language

Martin County, Minnesota Poverty by Race

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Name Total In Poverty Poverty Rate
White18,2352,12811.67%
Hispanic88842347.64%
Other21211654.72%
Multiple2076229.95%
Black825162.20%
Asian1021716.67%
Native2528.00%
Islander16212.50%

13.73%

Overall Poverty Rate

11.42%

Male Poverty Rate

16.06%

Female Poverty Rate

Poverty in Martin County, Minnesota

The race most likely to be in poverty in Martin County, Minnesota is Black, with 62.20% below the poverty level.

The race least likely to be in poverty in Martin County, Minnesota is Native, with 8.00% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 2.19%. Among those working part-time, it was 16.75%, and for those that did not work, the poverty rate was 22.22%.

Martin County, Minnesota Poverty

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Name Poverty
Less Than 9th Grade19.47%
High School15.72%
Some College11.00%
Bachelors or Greater2.97%

Martin County, Minnesota Poverty Rate by Education

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Rate Poverty
Male Unemployed34.13%
Female Unemployed15.97%
Female Employed7.48%
Male Employed5.16%

Martin County, Minnesota Poverty Rate by Employment Status and Sex

Martin County, Minnesota Income by Household Type

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Name Median Mean
Households$52,798$69,946
Families$68,869$86,407
Married Families$80,290-
Non Families$31,097$38,265
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Income by Household Type

Martin County, Minnesota Marital Status

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Marriage Rates

55.6%

Overall Marriage Rate

56.1%

Male Marriage Rate

55.1%

Female Marriage Rate

Martin County, Minnesota Married by Age and Sex

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Martin County, Minnesota Marriage

The age group where males are most likely to be married is Over 65, while the female age group most likely to be married is 45-54.

Martin County, Minnesota Marital Status by Race

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Martin County, Minnesota Marital Status

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1,602

Number of Veterans

1,517

Male Veterans

85

Female Veterans

War Veterans
Vietnam787
Second Gulf War212
Korea196
First Gulf War180
World War II112

Martin County, Minnesota Veterans by War

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Age Group Veterans
65 to 74566
75+496
55 to 64229
35 to 54201
18 to 34110

Martin County, Minnesota Veterans by Age

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Name Veterans % of Total
White1,60010.63%
Hispanic458.32%
Native American27.41%

Martin County, Minnesota Veterans by Race

Martin County, Minnesota Veterans by Education

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8.75%

Veteran Poverty Rate

31.15%

Veteran Disability Rate

Martin County, Minnesota Veterans by Education

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64.6%

Labor Force Participation

62%

Employment Rate

4%

Unemployment Rate

Martin County, Minnesota Employment by Age

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Martin County, Minnesota Employment by Race

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Martin County, Minnesota Employment by Education

Origin of Non-Citizens

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

Origin of Naturalized Citizens

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75.19%

Born in Martin County, Minnesota

98.37%

Native Born

1.63%

Foreign Born

0.40%

Non Citizen

1.22%

Naturalized

Place of Birth

98.37% of Martin County, Minnesota residents were born in the United States, with 75.19% having been born in Minnesota. 0.40% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.

Martin County, Minnesota Place of Birth

  1. US Census City/Town Population estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. Population of States and Counties of the United States: 1790 - 1990

Sources