99328 Zip Code Population and Demographics

In this article, we'll explore the population statistics for the zip code 99328, including popular demographics data like median age, number of households, household income, gender, employment and unemployment rates, occupations, religion, and more.

99328 is a zip code in Columbia County, Washington, which covers Dayton CCD and Starbuck, with a total population of 3,616 people.

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 the 99328 zip code. The most basic data is the total population, which is the total number of people living in 99328.

The estimated population of people living in 99328 is 3,616, with a median age of 50.

We can look back at data from previous years to see how the population in the 99328 area has changed over the last 5 years.

Year Population Change 5-Year Change
2021
3,616
 -2.74% -1.87%
2020
3,718
+0.08%
-
2019
3,715
+0.16%
-
2018
3,709
+0.65%
-
2017
3,685
 - -

Population of 99328 by Race and Ethnicity

How much has the race and ethnicity of the population in the 99328 zip code changed? The US Census Bureau gives us a few defined types that the population is broken down into.

Let's look at the total numbers and also the change over the last 5 years.

Race 2021 2017 Change
White
83%
86.8%
 -4.38%
Black/African American
1%
0.6%
 +66.67%
Native
0.2%
0.4%
 -50.00%
Hispanic
8.9%
7.2%
 +23.61%
Asian
0.1%
2.7%
 -96.30%
Hawaiian/Pacific Islander
0%
0.8%
 -100.00%
Two Or More Races
6.6%
1.3%
 +407.69%
Other
0.2%
0.3%
 -33.33%

This data can be very important for anybody studying the 99328 zip 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 99328 by Age and Gender

We can also monitor the change of the age and gender in the 99328 zip code to track track trends in the population over time.

We can see how the population in 99328 has changed over the last 5 years by median age as a total, and also by male and female.

Year Total Male Female
2021 50 +5.71% 48.6 +1.89% 50.6 +7.89%
2020 47.3 +0.85% 47.7 +3.7% 46.9 -6.57%
2019 46.9 -1.47% 46 -2.13% 50.2 +1.01%
2018 47.6 -0.42% 47 +0.43% 49.7 +0.2%
2017 47.8 - 46.8 - 49.6 -

The median age of the 99328 zip 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 in the 99328 area, 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 9 165 +5.83% 174 +26.07% 171 215
10 to 19 217 -15.66% 250 -36.8% 184 163
20 to 29 140 +28.81% 125 +15.94% 179 145
30 to 39 198 -53.59% 222 -35.55% 110 143
40 to 49 226 +20.34% 189 +24.6% 270 227
50 to 59 273 +5.04% 298 -40.4% 286 192
60 to 69 260 -4.4% 280 +37.84% 247 389
70+ 311 +10.25% 357 -1.2% 344 351

Median Household Income

The latest median household income for the 99328 zip code is $68,073.00.

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 99328.

  • Under 25
    $40,694.00
  • 25 to 44
    $85,536.00
  • 45 to 64
    $90,625.00
  • 65 and over
    $52,650.00

Average Household Income

Whenever we ask what is the average household income in the 99328 zip code, we are actually talking about the mean household income.

This is calculated by adding up all the incomes of all the households in 99328, 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 99328 is currently $92,038.00.

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.

7.77% of households in 99328 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 99328 against other zip codes.

  • Less than $24,999
    19.90%
  • $25,000 to $49,999
    15.24%
  • $50,000 to $74,999
    18.23%
  • $75,000 to $99,999
    14.47%
  • $100,000 to $149,999
    21.10%
  • $150,000 to $199,999
    3.29%
  • $200,000 or more
    7.77%

Per Capita Income

The per capita income in 99328 is $42,895.00.

Per capita income is the average income of a person in a given area. It is calculated by dividing the total income of 99328 by the total population of 99328.

This is different from the average or mean income because it includes and accounts for all people living in the 99328 area, including people like children, the elderly, unemployed people, retired people, and more.

Education Levels

We can also look at the education levels in 99328 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
    13.38%
  • Bachelor's degree
    31.02%
  • Some college or associate's degree
    23.36%
  • High school diploma or equivalent
    29.28%
  • Less than high school diploma
    2.96%

Employment

Employment rates are all based around the total population in 99328 that are over the age of 16.

Currently, the total population of the 99328 zip over the age of 16 is 2,957.

Of those people, a total of 58.90% 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 99328 is 57.80%.

Employment by Age

We can look at the employment rates by age to see how it compares to the overall employment rate. Here's how that breaks down for the 99328 zip code.

Age Population Participation Unemployment Rate
16 to 19 years 74 25.70% 31.60%
20 to 24 years 131 97.70% 2.30%
25 to 29 years 193 74.10% 0.00%
30 to 34 years 99 82.80% 6.10%
35 to 44 years 453 88.70% 0.00%
45 to 54 years 415 84.60% 0.00%
55 to 59 years 261 87.40% 0.00%
60 to 64 years 307 70.00% 8.40%
65 to 74 years 599 24.40% 0.00%
75 years and over 425 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 99328. The table below shows the rates for each of the ethnicity groups types defined by the US Census Bureau (which we mentioned earlier in this article).

Age Population Participation Unemployment Rate
White 2,532 58.20% 0.90%
Black or African American 15 40.00% 100.00%
American Indian and Alaska Native 9 0.00% 0.00%
Asian 2 0.00% 0.00%
Native Hawaiian and Other Pacific Islander 0 0.00% 0.00%
Other 141 56.70% 0.00%
Two or more races 258 70.50% 7.10%
Hispanic or Latino 210 69.00% 0.00%
Not Hispanic or Latino 2,509 57.80% 0.90%

Occupations

In this section we can look at the most common occupations for people living in the 99328 area as well as the gender breakdown and earnings of them.

The total population of civilian employees that are 16 years old or older in 99328 is 1,709, with median earnings of $45,852.00.

Women in 99328 are earning approximately 59.80% of the men's earnings.

Population Earnings
Total 1,709 $45,852.00
Male 983 $54,014.00
Female 726 $32,288.00

Occupations by Category

In the table below, we can break down the population and earnings for 99328 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 165 $82,872.00
Business and Financial 7 $0.00
Computer and Mathematical 59 $87,813.00
Architecture and Engineering 45 $88,578.00
Life, Physical, and Social Science 71 $101,068.00
Community and Social Service 12 $54,167.00
Legal 13 $0.00
Educational and Library 182 $56,071.00
Arts, Design, Entertainment, Sports, and Media 0 $0.00
Healthcare Practitioners 95 $74,205.00
Healthcare Support 89 $33,304.00
Firefighters and Protective Service 11 $0.00
Law Enforcement 19 $63,542.00
Food Preparation and Serving 41 $11,708.00
Building and Grounds Cleaning 86 $21,646.00
Personal Care and Service 11 $0.00
Sales 173 $30,922.00
Office and Administrative Support 120 $33,077.00
Farming, Fishing, and Forestry 74 $21,983.00
Construction and Extraction 91 $55,096.00
Installation, Maintenance, and Repair 111 $61,920.00
Production 86 $33,125.00
Transportation and Material Moving 61 $36,750.00

Occupations by Gender

Now we can also look at the occupations by category for 99328 when it is broken down by male and female.

This lets us see how many male and females work in each occupation, the median earnings, and the male to female ratio of earnings for 99328.

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 118 $84,054.00 47 $8,894.00
Business and Financial 0 $0.00 7 $0.00
Computer and Mathematical 41 $89,688.00 18 $0.00
Architecture and Engineering 45 $88,578.00 0 $0.00
Life, Physical, and Social Science 59 $0.00 12 $0.00
Community and Social Service 6 $0.00 6 $0.00
Legal 10 $0.00 3 $0.00
Educational and Library 50 $7,381.00 132 $59,500.00
Arts, Design, Entertainment, Sports, and Media 0 $0.00 0 $0.00
Healthcare Practitioners 5 $0.00 90 $74,773.00
Healthcare Support 17 $0.00 72 $26,833.00
Firefighters and Protective Service 11 $0.00 0 $0.00
Law Enforcement 19 $63,542.00 0 $0.00
Food Preparation and Serving 36 $11,500.00 5 $0.00
Building and Grounds Cleaning 44 $21,548.00 42 $21,750.00
Personal Care and Service 0 $0.00 11 $0.00
Sales 41 $14,323.00 132 $31,086.00
Office and Administrative Support 31 $52,159.00 89 $31,726.00
Farming, Fishing, and Forestry 45 $32,938.00 29 $0.00
Construction and Extraction 91 $55,096.00 0 $0.00
Installation, Maintenance, and Repair 111 $61,920.00 0 $0.00
Production 73 $37,750.00 13 $0.00
Transportation and Material Moving 61 $36,750.00 0 $0.00

Households and Family Size

A household is defined by the US Census Bureau as 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 1,673 households in 99328, with an average household size of 2.12 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 1,077 families living in the 99328 zip code with an average family size of 2.58 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, that live in 99328:

Married Male Female Nonfamily
Total Households 858 92 127 596
Average Household Size 2.66 2.72 2.46 1.17
Total Families 858 92 127 0
Average Household Size 2.66 2.1 2.35 0

Poverty

Of the 1,077 families living in 99328, 4.20% are considered to be below the poverty threshold.

The table below shows the latest poverty thresholds in 99328:

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 1,936 housing units in 99328.

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

Total Percentage
Occupied 1,673 86.42%
Vacant 263 13.58%

21.95% of the total 1,936 housing units in 99328 are rental units. This is approximately 425 properties.

For owner-occupied housing units, a total of 1,234 are occupied by the owner - or 63.74% of the total.

Rental Rates

The median rent for a property in 99328 is $831.00.

In the chart below, we can look at the number of rental properties in 99328 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
    14
  • Less than $500
    51
  • $500 to $999
    277
  • $1,000 to $1,499
    81
  • $1,500 to $1,999
    0
  • $2,000 to $2,499
    16
  • $2,500 to $2,999
    0
  • $3,000 or more
    0

Property Value

The median value of a property in 99328 is $211,500.00.

Just like with rental rates, we can look at the number of properties in 99328 that fall into a particular value range.

  • Less than $50,000
    50
  • $50,000 to $99,999
    110
  • $100,000 to $149,999
    189
  • $150,000 to $199,999
    243
  • $200,000 to $299,999
    309
  • $300,000 to $499,999
    271
  • $500,000 to $999,999
    39
  • $1,000,000 or more
    23

Property Age

We can also look at the age of properties in 99328. The chart below shows the number of properties in 99328 that fall into a particular age range.

  • 1939 or earlier
    691
  • 1940 to 1949
    181
  • 1950 to 1959
    210
  • 1960 to 1969
    143
  • 1970 to 1979
    252
  • 1980 to 1989
    59
  • 1990 to 1999
    112
  • 2000 to 2009
    161
  • 2010 to 2013
    127
  • 2014 or later
    0

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 99328 that have a particular number of vehicles available.

  • No vehicles available
    80
  • 1 vehicle available
    393
  • 2 vehicles available
    535
  • 3 or more vehicles available
    665

Commuting to Work

In this section, we can also look at how people in 99328 get to work. The chart below shows the number of people in 99328 that commute to work in a particular way.

18.8 minutes is the average travel time to work for people in 99328.

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
    293
  • 5 to 9 minutes
    475
  • 10 to 14 minutes
    219
  • 15 to 19 minutes
    108
  • 20 to 24 minutes
    57
  • 25 to 29 minutes
    19
  • 30 to 34 minutes
    48
  • 35 to 39 minutes
    29
  • 40 to 44 minutes
    126
  • 45 to 59 minutes
    153
  • 60 to 89 minutes
    47
  • 90 or more minutes
    29

Summary

We've covered a LOT of demographic and population data for 99328 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.

States in 99328

If you want to see how the population and demographics of 99328 compare to other zip codes in Washington, check out the list of all Washington zip codes below: