| Statistic | Costa Mesa | California | National |
| Population | 112,958 | 39,512,223 | 328,239,523 |
| Population density (sq mi) | 7,146 | 256 | 91 |
| Median age | 35.6 | 36.0 | 37.7 |
| Male/Female ratio | 1.0:1 | 1.0:1 | 1.0:1 |
| Married (15yrs & older) | 48% | 52% | 55% |
| Families w/ Kids under 18 | 44% | 46% | 43% |
| Speak English | 61% | 56% | 79% |
| Speak Spanish | 29% | 29% | 13% |
The demographics of Costa Mesa offer invaluable insights into the composition, dynamics and needs of both urban and rural areas, empowering planners, developers and policymakers to foster prosperity, equity, and well-being for all residents. With a population of 112,958, Costa Mesa exhibits a population density of 7,146 people per square mile, contrasting with the national average of 91. The median age stands at 35.6, with 48% of individuals aged 15 or older being married and 44% having children under 18. In terms of income equality in Costa Mesa, 11% of households report a median income below $25,000, while 32% report an income exceeding $150,000, showcasing a diverse economic landscape.
The Costa Mesa racial demographics and ethnicity breakdown could be indispensable tools for recognizing and rectifying systemic inequities, fostering social justice and inclusion and cultivating resilient communities. In Costa Mesa, the racial breakdown reveals 66.5% White, 1.5% Black or African American, 9% Asian, 0.6% American Indian and 0.6% Native Hawaiian, with 36.4% of the population identifying as Hispanic or Latino. Of all households, 61.2% reported speaking English only, while 29% reported speaking Spanish only. Moreover, 24.7% of residents were classified as foreign-born.
In areas with high population density, residents enjoy a wealth of amenities and services conveniently located within walking distance or a short commute. Access to healthcare facilities, educational institutions, cultural venues, dining options, retail stores and public transit enhances residents' quality of life and overall well-being. Costa Mesa has a population density of 7,146 people per square mile, which far exceeds the national average of 91 and ranks among the most densely populated cities in the country.
Healthcare Planning: The analysis of Costa Mesa 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 serve as vital tools for informing policy and decision-making processes across various levels of government, as well as within organizations and businesses. Through the reporting and analysis of demographic data, policymakers, government officials, and organizational leaders can pinpoint areas of need, allocate resources efficiently, and craft tailored policies and programs to address the unique needs and priorities of different demographic groups. The utilization of demographic data in Costa Mesa is instrumental in policy planning, facilitating resource allocation, evidence-based decision-making, priority identification, trend forecasting, policy impact assessment, and the promotion of equity and inclusion. By harnessing this data effectively, policymakers can devise targeted, impactful, and inclusive policies that cater to the diverse needs of communities.
Social Cohesion: The reporting and analysis of demographics are essential for fostering social cohesion and understanding among diverse communities. By acknowledging and valuing differences in Costa Mesa demographics, societies can champion inclusivity, diversity and social harmony while tackling social disparities and advocating for equal opportunities. Racial demographics showcase the varied makeup of a population and play a vital role in nurturing inclusive and hospitable communities. Embracing diversity bolsters social cohesion, enhances cultural comprehension and enriches society by honoring the contributions of individuals from diverse racial and ethnic backgrounds.
| Race | Costa Mesa | California | National |
| White | 66.50% | 61.26% | 73.35% |
| Black | 1.51% | 5.85% | 12.63% |
| Asian | 9.00% | 13.85% | 5.22% |
| American Indian | 0.63% | 0.74% | 0.82% |
| Native Hawaiian | 0.64% | 0.39% | 0.18% |
| Mixed race | 6.11% | 4.62% | 3.06% |
| Other race | 15.61% | 13.28% | 4.75% |
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