Johnston Population History 1990 - 2023

Johnston Population Facts

What is the current population of Johnston?

Based on the latest 2024 data from the US census, the current population of Johnston is 24,640. Johnston, Iowa is the 1,603rd largest city in the US.

What county is Johnston, Iowa in?

Johnston is located entirely in Polk County.

What is the size of Johnston, Iowa in square miles?

Johnston has an area of 17.2 square miles.

What was the peak population of Johnston?

The current population of Johnston (24,640) is it's peak population.

How quickly is Johnston growing?

Johnston has grown 173.9% since the 2000. Johnston, Iowa is growing moderately quickly; it is growing faster than 89% of similarly sized cities since 2000.

What is the population density of Johnston, Iowa?

Johnston has a population density of 1,007 people per square mile.

Johnston Demographics

What is the voting age population of Johnston, Iowa?

The total voting age population of Johnston, Iowa, meaning US citizens 18 or older, is 14,867. The voting age population is 47.7% male and 52.3% female.

What percentage of Johnston, Iowa residents are senior citizens?

According to the latest census statistics, 13.8% of the residents of Johnston are 65 or older.

What are the racial demographics of Johnston, Iowa?

The racial demographics of Johnston are 90.0% White, 4.4% Asian, 3.2% Black, 2.2% Two or more races and 0.2% Other. Additionally, 2.3% of the population identifies as Hispanic.

What percentage of Johnston, Iowa residents are below the poverty line?

In Johnston, 4.1% of residents have an income below the poverty line, and the child poverty rate is 7.1%. On a per-household basis, 3.1% of families are below the poverty line in Johnston.

What percentage of Johnston, Iowa residents are in the labor force?

Among those aged 16 and older, 76.7% of Johnston residents are in the labor force.

What are the education levels among Johnston, Iowa residents?

Among the adult population 25 years old and over, 97.6% of Johnston residents have at least a high school degree or equivalent, 54.5% have a bachelor's degree and 19.4% have a graduate or professional degree.

What percentage of Johnston, Iowa residents speak a non-English language at home?

Among Johnston residents aged 5 and older, 10.9% of them speak a non-English language at home. Broken down by language: 1.2% of residents speak Spanish at home, 6.7% speak an Indo-European language, and 2.5% speak an Asian language.

Johnston Income & Labor Statistics

What is the unemployment rate in Johnston, Iowa?

The unemployment rate in Johnston is 2.4%, which is calculated among residents aged 16 or older who are in the labor force.

What percentage of Johnston, Iowa residents work for the government?

In Johnston, 9.5% of the residents in the non-military labor force are employed by the local, state and federal government.

What is the median income in Johnston, Iowa?

The median household income in Johnston is $96,948.

Johnston Housing & Rent Statistics

What percentage of housing units are owner-occupied in Johnston, Iowa?

In Johnston, 72.5% of housing units are occupied by their owners.

What percentage of housing units are rented in Johnston, Iowa?

Renters occupy 27.5% of housing units in Johnston.

What percentage of Johnston, Iowa housing units were built before 1940?

Of all the housing units in Johnston, 1.3% of them were build before 1940.

What percentage of Johnston, Iowa housing units were built after 2000?

In Johnston, 55.6% of the total housing units were built after the year 2000, which is approximately 5,000 units.

What is the median monthly rent in Johnston, Iowa?

The median gross monthly rent payment for renters in Johnston is $1,146.

What percentage of households in Johnston, Iowa have broadband internet?

In Johnston, 89.8% of households have an active broadband internet connection.