Statistic Johnston Iowa National
Population 22,077 3,155,070 328,239,523
Population density (sq mi) 1,138 57 91
Median age 39.1 38.0 37.7
Male/Female ratio 0.9:1 1.0:1 1.0:1
Married (15yrs & older) 65% 60% 55%
Families w/ Kids under 18 52% 44% 43%
Speak English 87% 92% 79%
Speak Spanish 1% 4% 13%

Overview of Johnston Demographics

The population in Johnston is 22,077, while the population density is 1,138 people per square mile, contrasting with the national average of 91. The median age stands at 39.1, with 65% of individuals aged 15 or older being married and 52% having children under 18. In terms of household income equality in Johnston, 7% of households report a median income below $25,000, while 36% report an income exceeding $150,000. The Johnston demographics data can provide invaluable insight into the composition, dynamics and needs of urban and rural areas, enabling planners, developers and policymakers to strategize effectively for the promotion of prosperity, equity and well-being for all residents in the area.

Johnston Racial Demographics & Ethnicity

Understanding the Johnston racial demographics and ethnic composition is paramount for addressing systemic inequities, advancing social justice and inclusion and fortifying communities. In Johnston, the racial breakdown indicates 85% White, 5.1% Black or African American, 7% Asian, 0% American Indian and 0% Native Hawaiian, with 3.3% of the population identifying as Hispanic or Latino. Notably, 87.2% of households reported speaking English only, while 1.5% reported speaking Spanish only. Additionally, 10.4% of residents were categorized as foreign-born.

Johnston Population Density

Areas like Johnston that have a higher than average population density tend to support environmental sustainability by reducing per capita energy consumption, greenhouse gas emissions and land use. Compact urban development encourages energy-efficient buildings, walking, cycling and the use of public transit, promoting sustainable lifestyles and reducing environmental impact. Densely populated areas also tend to have more vibrant social and cultural scenes, with a diverse population contributing to a wide array of cultural events, festivals and community activities. This diversity fosters creativity, innovation and cross-cultural exchange, enriching the social fabric of the community. The Johnston population density is higher than average and comes in at 1,138 people per square mile (compared to the nationwide average of 91), putting it in a position to take advantage of all the benefits of a densely populated area.

Is Johnston Family Friendly?

A city that prioritizes the well-being and necessities of families, such as Johnston, fosters an environment where children prosper, parents receive robust support and families collectively relish a high standard of living. Family-friendly cities are renowned for nurturing tight-knit communities, where neighbors actively assist and look out for one another. Furthermore, these locales often offer exceptional educational opportunities, encompassing top-notch schools, well-stocked libraries, and a plethora of extracurricular activities. Quality education is paramount for the comprehensive development and future success of children. By placing a premium on the welfare of its populace, such cities emerge as vibrant and resilient communities where families can genuinely flourish. In Johnston, 52% of families have children under 18, and 65% of residents aged 15 and above are married. These demographic attributes position this area to harness the advantages of being a family-friendly locale.

Why are Demographics Important?

Healthcare Planning: The analysis of Johnston demographics can offer insights into healthcare planning and delivery, identifying population health needs, disparities and risk factors. By understanding demographic trends, healthcare providers and policymakers can allocate resources effectively, develop prevention and intervention programs and address health inequities within communities. Through the use of demographic data and statistics, healthcare providers and policymakers aim to achieve equitable, accessible and high-quality healthcare for all individuals and communities. This proactive approach to healthcare planning ensures targeted interventions, efficient resource allocation and customized healthcare services to meet the diverse needs of populations.

Policy Planning: Demographic data and statistics can inform policy and decision-making processes at various levels of government, as well as in organizations and businesses. By reporting and analyzing Johnston demographics data, policymakers, government officials and organizational leaders can identify areas of need, allocate resources effectively and develop targeted policies and programs that address the specific needs and priorities of different demographic groups. Johnston demographics can play a crucial role in policy planning by informing resource allocation, evidence-based decision making, identifying priorities, forecasting future trends, monitoring policy impact and promoting equity and inclusion. By leveraging this data effectively, policymakers can develop policies that are targeted, effective and responsive to the needs of diverse communities.

Understanding Populations: By reporting and analyzing Johnston demographics, we can acquire valuable insights into the makeup and traits of populations, encompassing age, gender, race, ethnicity, income, education and various socio-economic factors. This comprehension is vital for tackling the varied needs, preferences, and obstacles encountered by different demographic groups within communities. Demographics serve a pivotal role in comprehending populations, guiding decision-making processes and advancing equity, inclusion and overall well-being for all individuals and communities. The Johnston population data serves as a cornerstone for addressing social, economic and environmental challenges, while also fostering the well-being and strength of communities.

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Demographics Quick Facts

  • The population density in Johnston is 1897% higher than Iowa
  • The median age in Johnston is 3% higher than Iowa
  • In Johnston 84.96% of the population is White
  • In Johnston 5.08% of the population is Black
  • In Johnston 6.96% of the population is Asian

Compare Johnston, IA Demographics

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      Johnston racial demographics

      Race Johnston Iowa National
      White 84.96% 90.90% 73.35%
      Black 5.08% 3.32% 12.63%
      Asian 6.96% 2.14% 5.22%
      American Indian 0.04% 0.32% 0.82%
      Native Hawaiian 0.00% 0.08% 0.18%
      Mixed race 2.06% 1.97% 3.06%
      Other race 0.91% 1.27% 4.75%
      In Johnston, 3.3% of people are of Hispanic or Latino origin.
      Please note: Hispanics may be of any race, so also are included in any/all of the applicable race categories above.

      Household income distribution

      Place of birth by citizenship

      Johnston age breakdown

      Marital status

      Age of children in married couples

      Source: The Johnston, IA demographics data displayed above is derived from the United States Census Bureau American Community Survey (ACS).