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Mill Plain, Washington
Location of Mill Plain, Washington
Location of Mill Plain, Washington
Country United States
State Washington
County Clark
Area
 • Total 6.0 sq mi (15.5 km2)
 • Land 6.0 sq mi (15.5 km2)
 • Water 0.0 sq mi (0.0 km2)
Elevation
276 ft (84 m)
Population
 (2000)
 • Total 7,400
 • Density 1,236.9/sq mi (477.6/km2)
Time zone UTC-8 (Pacific (PST))
 • Summer (DST) UTC-7 (PDT)
FIPS code 53-45915
GNIS feature ID 1852951

Mill Plain is a community in Clark County, Washington, United States. It's not officially a city, but an "unincorporated area." This means it's a populated place that doesn't have its own local government.

In the year 2000, Mill Plain was counted as a "census-designated place" (CDP). A CDP is a special area defined by the United States Census Bureau just for counting people. At that time, about 7,400 people lived there. However, for the 2010 census, Mill Plain was no longer listed as a CDP.

Where is Mill Plain Located?

Mill Plain is in the southern part of Clark County, Washington. It's right next to some bigger cities. To its west and south, you'll find the city of Vancouver. To its southeast, it borders the city of Camas.

In 2000, the area of Mill Plain was about 6.0 square miles (15.5 square kilometers). All of this area was land, with no large bodies of water inside its borders.

Who Lives in Mill Plain?

Let's look at the people who lived in Mill Plain back in 2000, based on the census information.

Population and Homes

There were 7,400 people living in Mill Plain. These people lived in 2,379 households. A household means all the people living together in one home. Out of these, 1,953 were families.

The population density was about 1,237 people per square mile (or 478 people per square kilometer). This tells us how crowded the area was. There were also 2,500 housing units, which are places where people can live.

Different Backgrounds

The census also looked at the different backgrounds of the people in Mill Plain:

  • About 87.34% of the people were White.
  • About 1.62% were African American.
  • About 0.57% were Native American.
  • About 6.23% were Asian.
  • About 0.11% were Pacific Islander.
  • About 0.59% were from other backgrounds.
  • About 3.54% were from two or more backgrounds.

Also, about 2.66% of the population identified as Hispanic or Latino.

Family Life and Age

Many households in Mill Plain had children. About 49.7% of homes had kids under 18 living there. Most families, about 71.0%, were married couples living together. About 7.7% of households had a female head of the house with no husband present.

About 12.6% of all households were made up of just one person. And about 3.5% of homes had someone living alone who was 65 years old or older. On average, there were about 3.11 people in each household and 3.41 people in each family.

The age of the people in Mill Plain varied:

  • About 34.5% were under 18 years old.
  • About 7.2% were between 18 and 24 years old.
  • About 35.3% were between 25 and 44 years old.
  • About 17.3% were between 45 and 64 years old.
  • About 5.7% were 65 years old or older.

The average age of someone in Mill Plain was 30 years old. For every 100 females, there were about 99.2 males.

Money and Income

In 2000, the average income for a household in Mill Plain was $58,432 per year. For families, the average income was $59,386 per year. Men earned an average of $45,385, while women earned an average of $26,803.

The average income per person in Mill Plain was $21,181. About 7.6% of families and 10.3% of all people were living below the poverty line. This included 15.8% of those under 18 and 8.1% of those 65 or older.

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