Davis County, Iowa Population and Demographics

In this article, we'll explore the population statistics for Davis County, Iowa, 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 Davis County, Iowa. The most basic data is the total population, which is the total number of people living in Davis County, Iowa. The estimated population of Davis County, Iowa is 9,066 people, with a median age of 36.

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

Year Population Change 5-Year Change
2021
9,066
+0.99%
+2.63%
2020
8,977
+0.64%
-
2019
8,920
+0.39%
-
2018
8,885
+0.58%
-
2017
8,834
- -

Population of Davis County, Iowa 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
95.2%
97%
-1.86%
Black/African American
0%
0.1%
-100.00%
Native
0%
0%
0.00%
Hispanic
1.6%
1.3%
+23.08%
Asian
0.6%
0.3%
+100.00%
Hawaiian/Pacific Islander
0%
0%
0.00%
Two Or More Races
1.3%
1.2%
+8.33%
Other
1.3%
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 Davis County, Iowa 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 36 -1.37% 35.3 -0.84% 36.8 -2.39%
2020 36.5 -0.82% 35.6 -2.2% 37.7 +1.34%
2019 36.8 -0.54% 36.4 +0.55% 37.2 -1.06%
2018 37 -1.33% 36.2 -1.9% 37.6 -0.53%
2017 37.5 - 36.9 - 37.8 -

The median age of Davis County, Iowa 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 9 694 +12.93% 737 +6.61% 785 785
10 to 19 696 -0.54% 667 0.22% 690 663
20 to 29 475 +10.94% 437 +6.51% 529 466
30 to 39 476 +17.65% 480 +3.9% 561 493
40 to 49 467 -2.92% 461 -1.94% 446 446
50 to 59 566 -5.35% 568 -14.99% 532 486
60 to 69 507 +11.22% 466 +7.54% 562 496
70+ 479 -0.88% 658 -0.53% 474 652

Median Household Income

The latest median household income of Davis County, Iowa is $76,755.00.

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 Davis County.

  • Under 25
    $52,917.00
  • 25 to 44
    $81,019.00
  • 45 to 64
    $88,993.00
  • 65 and over
    $43,292.00

Average Household Income

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

This is calculated by adding up all the incomes of all the households in Davis 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 Davis County, Iowa is currently $89,446.00.

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.

7.08% of households in Davis 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 Davis County against other areas.

  • Less than $24,999
    13.81%
  • $25,000 to $49,999
    20.41%
  • $50,000 to $74,999
    14.73%
  • $75,000 to $99,999
    20.44%
  • $100,000 to $149,999
    16.92%
  • $150,000 to $199,999
    6.60%
  • $200,000 or more
    7.08%

Per Capita Income

The per capita income in Davis County is $31,784.00.

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

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

Education Levels

We can also look at the education levels in Davis 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
    8.86%
  • Bachelor's degree
    26.71%
  • Some college or associate's degree
    13.27%
  • High school diploma or equivalent
    47.76%
  • Less than high school diploma
    3.40%

Employment

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

The total population of Davis County over the age of 16 is 6,654.

Of those people, a total of 64.40% 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 Davis County is 62.40%.

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 511 60.30% 1.00%
20 to 24 years 502 85.10% 4.00%
25 to 29 years 493 76.10% 6.70%
30 to 34 years 487 68.80% 3.90%
35 to 44 years 956 83.40% 4.00%
45 to 54 years 993 81.60% 5.10%
55 to 59 years 528 77.50% 0.00%
60 to 64 years 621 77.80% 0.00%
65 to 74 years 865 34.00% 0.00%
75 years and over 698 6.40% 0.00%

Employment by Race

Another very interesting employment statistic we can look at is the employment and unemployment rates by race in Davis 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 6,416 63.80% 2.80%
Black or African American 0 0.00% 0.00%
American Indian and Alaska Native 43 100.00% 0.00%
Asian 50 92.00% 0.00%
Native Hawaiian and Other Pacific Islander 0 0.00% 0.00%
Other 70 67.10% 34.00%
Two or more races 75 69.30% 1.90%
Hispanic or Latino 106 99.10% 0.00%
Not Hispanic or Latino 6,367 63.50% 2.80%

Occupations

In this section we can look at the most common occupations in Davis 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 Davis County is 4,152, with median earnings of $41,829.00.

Women in Davis County, Iowa earning approximately 65.00% of the men's earnings.

Population Earnings
Total 4,152 $41,829.00
Male 2,522 $49,741.00
Female 1,630 $32,356.00

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 596 $54,638.00
Business and Financial 125 $55,850.00
Computer and Mathematical 40 $36,250.00
Architecture and Engineering 68 $49,615.00
Life, Physical, and Social Science 68 $62,927.00
Community and Social Service 108 $36,250.00
Legal 35 $0.00
Educational and Library 240 $42,000.00
Arts, Design, Entertainment, Sports, and Media 35 $44,107.00
Healthcare Practitioners 206 $46,500.00
Healthcare Support 60 $29,167.00
Firefighters and Protective Service 20 $41,667.00
Law Enforcement 54 $68,750.00
Food Preparation and Serving 162 $10,441.00
Building and Grounds Cleaning 80 $19,643.00
Personal Care and Service 151 $20,938.00
Sales 434 $31,250.00
Office and Administrative Support 323 $37,539.00
Farming, Fishing, and Forestry 177 $30,347.00
Construction and Extraction 292 $55,878.00
Installation, Maintenance, and Repair 137 $68,438.00
Production 358 $48,333.00
Transportation and Material Moving 213 $44,306.00

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 427 $54,293.00 169 $71,563.00
Business and Financial 59 $56,850.00 66 $44,500.00
Computer and Mathematical 33 $35,764.00 7 $0.00
Architecture and Engineering 68 $49,615.00 0 $0.00
Life, Physical, and Social Science 66 $0.00 2 $0.00
Community and Social Service 17 $37,125.00 91 $34,718.00
Legal 0 $0.00 35 $0.00
Educational and Library 54 $53,125.00 186 $30,769.00
Arts, Design, Entertainment, Sports, and Media 15 $0.00 20 $31,250.00
Healthcare Practitioners 13 $76,250.00 193 $45,750.00
Healthcare Support 7 $0.00 53 $30,208.00
Firefighters and Protective Service 18 $42,083.00 2 $0.00
Law Enforcement 45 $61,375.00 9 $0.00
Food Preparation and Serving 61 $10,288.00 101 $10,938.00
Building and Grounds Cleaning 66 $28,611.00 14 $18,214.00
Personal Care and Service 68 $52,237.00 83 $13,819.00
Sales 268 $34,554.00 166 $17,813.00
Office and Administrative Support 59 $88,750.00 264 $33,621.00
Farming, Fishing, and Forestry 111 $33,594.00 66 $6,154.00
Construction and Extraction 292 $55,878.00 0 $0.00
Installation, Maintenance, and Repair 137 $68,438.00 0 $0.00
Production 325 $52,841.00 33 $41,705.00
Transportation and Material Moving 197 $46,750.00 16 $17,500.00

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 3,150 households in Davis County, with an average household size of 2.85 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 2,381 families in Davis County with an average family size of 3.36 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 2,088 106 187 769
Average Household Size 3.45 3.69 2.87 1.11
Total Families 2,088 106 187 0
Average Household Size 3.44 2.81 2.69 0

Poverty

Of the 2,381 families in Davis County, 7.20% are considered to be below the poverty threshold.

The table below shows the latest poverty thresholds in Davis 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 3,583 housing units in Davis County, Iowa.

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

Total Percentage
Occupied 3,150 87.92%
Vacant 433 12.08%

10.69% of the total 3,583 housing units in Davis County are rental units. This is approximately 383 properties.

For owner-occupied housing units, a total of 2,703 are occupied by the owner - or 75.44% of the total.

Rental Rates

The median rent for a property in Davis County is $739.00.

In the chart below, we can look at the number of rental properties in Davis 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
    64
  • Less than $500
    60
  • $500 to $999
    294
  • $1,000 to $1,499
    29
  • $1,500 to $1,999
    0
  • $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 Davis County is $124,500.00.

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

  • Less than $50,000
    219
  • $50,000 to $99,999
    694
  • $100,000 to $149,999
    658
  • $150,000 to $199,999
    332
  • $200,000 to $299,999
    552
  • $300,000 to $499,999
    189
  • $500,000 to $999,999
    50
  • $1,000,000 or more
    9

Property Age

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

  • 1939 or earlier
    1,105
  • 1940 to 1949
    125
  • 1950 to 1959
    313
  • 1960 to 1969
    238
  • 1970 to 1979
    678
  • 1980 to 1989
    265
  • 1990 to 1999
    448
  • 2000 to 2009
    191
  • 2010 to 2013
    197
  • 2014 or later
    23

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 Davis County that have a particular number of vehicles available.

  • No vehicles available
    493
  • 1 vehicle available
    689
  • 2 vehicles available
    983
  • 3 or more vehicles available
    985

Commuting to Work

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

23.3 minutes is the average travel time to work for people in Davis 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
    339
  • 5 to 9 minutes
    578
  • 10 to 14 minutes
    489
  • 15 to 19 minutes
    467
  • 20 to 24 minutes
    415
  • 25 to 29 minutes
    133
  • 30 to 34 minutes
    295
  • 35 to 39 minutes
    97
  • 40 to 44 minutes
    231
  • 45 to 59 minutes
    338
  • 60 to 89 minutes
    106
  • 90 or more minutes
    125

Summary

We've covered a LOT of demographic and population data for Davis County, Iowa 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 Davis County, Iowa

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