Marshall County, Illinois Population and Demographics

In this article, we'll explore the population statistics for Marshall County, Illinois, including popular demographics data like median age, number of households, household income, gender, employment and unemployment rates, occupations, religion, and more.

We are using the latest American Community Survey (ACS) 5-Year survey data from the US Census Bureau, which is accurate up to 2021.

Table of Contents

Population

There is a lot of data that lets us see how many people live in Marshall County, Illinois. The most basic data is the total population, which is the total number of people living in Marshall County, Illinois. The estimated population of Marshall County, Illinois is 11,781 people, with a median age of 46.5.

We can look at the total population in Marshall County over the last 5 years to see how much it has changed.

Year Population Change 5-Year Change
2021
11,781
+1.89%
-1.21%
2020
11,562
 -1% -
2019
11,679
 -0.98% -
2018
11,794
 -1.1% -
2017
11,925
 - -

Population of Marshall County, Illinois by Race and Ethnicity

We can also look at how the population has changed over the last 5 years by each of the race/ethnicity types as defined by the US Census Bureau.

Race 2021 2017 Change
White
93.7%
94.9%
 -1.26%
Black/African American
0.7%
0.4%
 +75.00%
Native
0%
0.1%
 -100.00%
Hispanic
3%
3.1%
 -3.23%
Asian
0.3%
0.3%
 0.00%
Hawaiian/Pacific Islander
0%
0.2%
 -100.00%
Two Or More Races
2.1%
1.1%
 +90.91%
Other
0.2%
0%
 0.00%

This data can be very important for a number of reasons, including social and economic research, planning and development, and marketing to a multi-cultural population.

Note that the Native group includes both Native American and Alaskan Native people.

Population of Marshall County, Illinois by Age and Gender

The age and gender of a population is another interesting demographic statistic because it lets us track trends in the population over time. For example, we can see how the population has changed over the last 5 years by median age as a total, and also by male and female.

Year Total Male Female
2021 46.5 +0.22% 45.2 +1.35% 47.3 -1.25%
2020 46.4 +0.87% 44.6 +0.45% 47.9 +1.91%
2019 46 -0.65% 44.4 -0.67% 47 -0.84%
2018 46.3 0% 44.7 0% 47.4 +0.42%
2017 46.3 - 44.7 - 47.2 -

The median age of Marshall County, Illinois gives you an idea of the age distribution, with half of the population being older than the median age and half being younger.

This can then be used to infer and compare against birth rates, parent ages, and more metrics to understand the population. For example, an increasing median age indicates an aging population, which can be a sign of a declining population in terms of birth rates and workforce participation.

Age 2021 2017
(Years) Male Female Male Female
0 to 9 721 -15.63% 594 +2.06% 613 601
10 to 19 671 +9.37% 674 +2.72% 734 688
20 to 29 634 -3.68% 592 +1.89% 610 603
30 to 39 601 +11.2% 681 -9.97% 667 613
40 to 49 757 -11.73% 611 -1.7% 670 600
50 to 59 905 -9.83% 901 -0.95% 816 891
60 to 69 835 +4.97% 865 -8.8% 875 791
70+ 814 +9.31% 1,069 +4.64% 890 1,119

Median Household Income

The latest median household income of Marshall County, Illinois is $60,231.00.

In simple terms, the median income is the middle income of a group of people. Half of the people in the group make more than the median income, and half make less. The median income is a good indicator of the overall income of a group of people, and can be used to compare against other metrics such as the average income, per capita income, and more.

Median Income by Age

We can also look at the median income by age to see how the median income varies by age, and how it compares to the overall median income for Marshall County.

  • Under 25
    $27,353.00
  • 25 to 44
    $71,893.00
  • 45 to 64
    $74,968.00
  • 65 and over
    $45,758.00

Average Household Income

Whenever we ask what is the average household income in Marshall County, we are actually talking about the mean household income.

This is calculated by adding up all the incomes of all the households in Marshall County, and then dividing that number by the total number of households. This is a good way to get a general idea of the average income of a group of people, but it can be skewed by a very high or very low incomes.

The average household income of Marshall County, Illinois is currently $71,574.00.

In terms of accurately summarizing income at a geographic level, the median income is a better metric than the average income because it isn't affected by a small number of very high or very low incomes.

If you had an area where the average income was greater than the median, it can mean that there is significant income inequality, with income being concentrated in a small number of wealthy households.

2.43% of households in Marshall County are classed as high income households (making $200,000+ per year).

Household Income Tiers

The US Census Bureau divides households into income tiers based on the median income for the area. This is a good way to compare the income of Marshall County against other areas.

  • Less than $24,999
    21.01%
  • $25,000 to $49,999
    20.52%
  • $50,000 to $74,999
    18.21%
  • $75,000 to $99,999
    14.02%
  • $100,000 to $149,999
    19.91%
  • $150,000 to $199,999
    3.88%
  • $200,000 or more
    2.43%

Per Capita Income

The per capita income in Marshall County is $31,153.00.

Per capita income is the average income of a person in a given area. It is calculated by dividing the total income of Marshall County by the total population of Marshall County.

This is different from the average or mean income because it includes and accounts for all people in Marshall County, Illinois, including people like children, the elderly, unemployed people, retired people, and more.

Education Levels

We can also look at the education levels in Marshall County to see how many people have a high school degree, a bachelor's degree, or a graduate degree.

Educational attainment is a good indicator of the overall education level of a population, and can be used to compare against other metrics such as the average income, per capita income, and more to see how education levels affect income, unemployment rates, and more.

  • Master's degree or higher
    6.48%
  • Bachelor's degree
    19.94%
  • Some college or associate's degree
    17.13%
  • High school diploma or equivalent
    53.12%
  • Less than high school diploma
    3.33%

Employment

Employment rates are all based around the total population in Marshall County that are over the age of 16.

The total population of Marshall County over the age of 16 is 9,651.

Of those people, a total of 55.10% are working or actively looking for work. This is called the labor force participation rate.

The participation rate is a useful market measure because it shows the relative amount of labor resources available to the economy.

The employment to total population rate in Marshall County is 52.80%.

Employment by Age

We can look at the employment rates by age to see how it compares to the overall employment rate.

Age Population Participation Unemployment Rate
16 to 19 years 506 40.50% 5.40%
20 to 24 years 565 80.20% 8.80%
25 to 29 years 648 79.30% 1.80%
30 to 34 years 569 82.60% 3.80%
35 to 44 years 1,287 83.50% 3.20%
45 to 54 years 1,497 76.20% 5.70%
55 to 59 years 904 66.30% 6.20%
60 to 64 years 936 53.20% 1.20%
65 to 74 years 1,526 18.30% 0.00%
75 years and over 1,213 6.80% 4.80%

Employment by Race

Another very interesting employment statistic we can look at is the employment and unemployment rates by race in Marshall County. The table below shows the rates for each of the ethnicity groups types defined by the US Census Bureau.

Age Population Participation Unemployment Rate
White 9,309 54.90% 3.80%
Black or African American 41 70.70% 86.20%
American Indian and Alaska Native 3 100.00% 0.00%
Asian 41 9.80% 0.00%
Native Hawaiian and Other Pacific Islander 0 0.00% 0.00%
Other 83 71.10% 0.00%
Two or more races 174 63.20% 3.60%
Hispanic or Latino 251 76.50% 4.70%
Not Hispanic or Latino 9,165 54.60% 3.70%

Occupations

In this section we can look at the most common occupations in Marshall County as well as the gender breakdown and earnings of them.

The total population of civilian employees that are 16 years old or older in Marshall County is 5,092, with median earnings of $38,443.00.

Women in Marshall County, Illinois earning approximately 58.60% of the men's earnings.

Population Earnings
Total 5,092 $38,443.00
Male 2,700 $50,294.00
Female 2,392 $29,460.00

Occupations by Category

In the table below, we can break down the population and earnings even further by occupation. The list of occupation categories below will show you how many people are employed in each category and the median earnings of each profession.

Occupation Employed Earnings
Management 485 $54,205.00
Business and Financial 121 $62,750.00
Computer and Mathematical 94 $52,308.00
Architecture and Engineering 133 $76,827.00
Life, Physical, and Social Science 10 $0.00
Community and Social Service 71 $34,635.00
Legal 19 $62,321.00
Educational and Library 233 $37,697.00
Arts, Design, Entertainment, Sports, and Media 17 $10,625.00
Healthcare Practitioners 402 $55,761.00
Healthcare Support 184 $27,600.00
Firefighters and Protective Service 32 $22,344.00
Law Enforcement 40 $75,500.00
Food Preparation and Serving 291 $8,648.00
Building and Grounds Cleaning 270 $28,750.00
Personal Care and Service 175 $10,521.00
Sales 335 $28,495.00
Office and Administrative Support 494 $31,295.00
Farming, Fishing, and Forestry 69 $43,523.00
Construction and Extraction 239 $55,521.00
Installation, Maintenance, and Repair 325 $62,375.00
Production 493 $42,917.00
Transportation and Material Moving 275 $42,344.00

Occupations by Gender

The table below shows the same occupations from the list above, but we have split them by male and female to see how many male and females work in each occupation, the median earnings, and the male to female ratio of earnings.

That last metric is important because it can be used to look at the gender pay gap between men and women.

Occupation Male Female
Population Earnings Population Earnings
Management 322 $61,250.00 163 $40,750.00
Business and Financial 51 $78,875.00 70 $57,500.00
Computer and Mathematical 87 $51,635.00 7 $0.00
Architecture and Engineering 114 $76,154.00 19 $90,673.00
Life, Physical, and Social Science 10 $0.00 0 $0.00
Community and Social Service 24 $35,000.00 47 $34,602.00
Legal 9 $0.00 10 $0.00
Educational and Library 32 $36,029.00 201 $39,013.00
Arts, Design, Entertainment, Sports, and Media 13 $9,250.00 4 $0.00
Healthcare Practitioners 57 $81,607.00 345 $53,047.00
Healthcare Support 11 $16,375.00 173 $28,073.00
Firefighters and Protective Service 29 $22,266.00 3 $0.00
Law Enforcement 40 $75,500.00 0 $0.00
Food Preparation and Serving 143 $6,017.00 148 $10,455.00
Building and Grounds Cleaning 171 $36,898.00 99 $15,489.00
Personal Care and Service 11 $0.00 164 $9,712.00
Sales 99 $63,125.00 236 $24,167.00
Office and Administrative Support 77 $44,205.00 417 $30,655.00
Farming, Fishing, and Forestry 60 $44,545.00 9 $11,250.00
Construction and Extraction 230 $56,458.00 9 $0.00
Installation, Maintenance, and Repair 323 $62,375.00 2 $0.00
Production 362 $48,700.00 131 $31,250.00
Transportation and Material Moving 238 $61,429.00 37 $29,250.00

Households and Family Size

A household defined bu the US Census Bureau is a group of people who occupy a housing unit. A housing unit is a house, apartment, mobile home, group of rooms, or single room occupied as separate living quarters.

There are currently 4,892 households in Marshall County, with an average household size of 2.35 people.

A family is defined as a group of two or more people related by birth, marriage, or adoption who live together in the same household.

There are 3,143 families in Marshall County with an average family size of 2.88 people.

Households by Marital Status

The four categories of household by marital status are:

  • Married-couple family
  • Male householder with no spouse present
  • Female household with no spouse present
  • Nonfamily household

The table below shows the total number of households and families, with the average sizes of each.

Married Male Female Nonfamily
Total Households 2,558 181 404 1,749
Average Household Size 3.05 3.1 2.63 1.19
Total Families 2,558 181 404 0
Average Household Size 2.97 2.59 2.48 0

Poverty

Of the 3,143 families in Marshall County, 8.70% are considered to be below the poverty threshold.

The table below shows the latest poverty thresholds in Marshall County:

Household Size Poverty Threshold
1 Person $14,580.00
2 People $19,720.00
3 People $24,860.00
4 People $30,000.00
5 People $35,140.00
6 People $40,280.00
7 People $45,420.00
8 People $50,560.00

Housing

There are 5,835 housing units in Marshall County, Illinois.

The table below shows the split between occupied and vacant units:

Total Percentage
Occupied 4,892 83.84%
Vacant 943 16.16%

14.86% of the total 5,835 housing units in Marshall County are rental units. This is approximately 867 properties.

For owner-occupied housing units, a total of 3,922 are occupied by the owner - or 67.22% of the total.

Rental Rates

The median rent for a property in Marshall County is $679.00.

In the chart below, we can look at the number of rental properties in Marshall County that fall into a particular rent range. These can then be used to compare with other areas, or to see how they have changed over time.

  • No rent paid
    103
  • Less than $500
    186
  • $500 to $999
    592
  • $1,000 to $1,499
    82
  • $1,500 to $1,999
    7
  • $2,000 to $2,499
    0
  • $2,500 to $2,999
    0
  • $3,000 or more
    0

Property Value

The median value of a property in Marshall County is $111,300.00.

Just like with rental rates, we can look at the number of properties in Marshall County that fall into a particular value range.

  • Less than $50,000
    364
  • $50,000 to $99,999
    1,374
  • $100,000 to $149,999
    874
  • $150,000 to $199,999
    645
  • $200,000 to $299,999
    461
  • $300,000 to $499,999
    144
  • $500,000 to $999,999
    41
  • $1,000,000 or more
    19

Property Age

We can also look at the age of properties in Marshall County. The chart below shows the number of properties in Marshall County that fall into a particular age range.

  • 1939 or earlier
    1,622
  • 1940 to 1949
    495
  • 1950 to 1959
    668
  • 1960 to 1969
    560
  • 1970 to 1979
    1,140
  • 1980 to 1989
    382
  • 1990 to 1999
    494
  • 2000 to 2009
    381
  • 2010 to 2013
    92
  • 2014 or later
    1

Vehicles per Household

The number of vehicles available per household can be a good indicator of the level of affluence in an area. The chart below shows the number of households in Marshall County that have a particular number of vehicles available.

  • No vehicles available
    184
  • 1 vehicle available
    1,463
  • 2 vehicles available
    1,892
  • 3 or more vehicles available
    1,353

Commuting to Work

In this section, we can also look at how people in Marshall County get to work. The chart below shows the number of people in Marshall County that commute to work in a particular way.

29 minutes is the average travel time to work for people in Marshall County.

These commute times can be compared to other date like income and educational levels to see how they relate to each other and if there are any trends in the data that might suggest a correlation.

  • Less than 5 minutes
    457
  • 5 to 9 minutes
    505
  • 10 to 14 minutes
    515
  • 15 to 19 minutes
    433
  • 20 to 24 minutes
    382
  • 25 to 29 minutes
    347
  • 30 to 34 minutes
    552
  • 35 to 39 minutes
    393
  • 40 to 44 minutes
    355
  • 45 to 59 minutes
    386
  • 60 to 89 minutes
    226
  • 90 or more minutes
    163

Summary

We've covered a LOT of demographic and population data for Marshall County, Illinois in this article! Hopefully you have found it very useful in your research of the area.

If you use any of the data found on this page, please consider linking back to USPopulation.org as the source and if you have any feedback or data requests, click here to contact us.

Places in Marshall County, Illinois

We have data for 17 places in Marshall County, Illinois. Click on a place below to see more information about the demographics of that place.