| Statistic | Eureka | California | National |
| Population | 27,853 | 40,994,941 | 336,919,644 |
| Population density (sq mi) | 2,968 | 263 | 91 |
| Median age | 38.6 | 36.0 | 37.7 |
| Male/Female ratio | 1.0:1 | 1.0:1 | 1.0:1 |
| Married (15yrs & older) | 40% | 52% | 55% |
| Families w/ Kids under 18 | 42% | 46% | 43% |
| Speak English | 85% | 56% | 79% |
| Speak Spanish | 8% | 29% | 13% |
The population in Eureka is 27,853, while the population density is 2,968 people per square mile, contrasting with the national average of 91. The median age stands at 38.6, with 40% of individuals aged 15 or older being married and 42% having children under 18. In terms of household income equality in Eureka, 30% of households report a median income below $25,000, while 11% report an income exceeding $150,000. The Eureka 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.
The Eureka racial demographics and ethnicity breakdown serves as a critical tool for understanding and addressing systemic inequities, promoting social justice and inclusion and building stronger, more resilient communities. The racial breakdown in Eureka is 72.9% White, 2.3% Black or African American, 6.2% Asian, 1.7% American Indian and 0.2% Native Hawaiian - 15.6% of the population identify as Hispanic or Latino. Of all households, 85.1% reported speaking English only, while 8.3% reported speaking Spanish only. A total of 7.6% of residents were considered foreign born.
High population density areas typically offer a diverse array of amenities and services within walking distance or a short commute, enriching residents' quality of life and well-being. Accessible healthcare facilities, educational institutions, cultural venues, restaurants, shopping and public transportation options contribute to the convenience and vibrancy of these communities. The population density of of Eureka is 2,968 people per square mile, which far exceeds the national average of 91 and ranks among the most densely populated cities in the nation.
Understanding Populations: Analyzing and interpreting the Eureka demographic data provides us with valuable insights into the characteristics and composition of populations, encompassing age, gender, race, ethnicity, income, education and other socio-economic variables. This understanding is crucial for addressing the diverse needs, preferences and challenges encountered by various demographic groups within communities. Demographics play a crucial role in understanding populations, informing decision-making processes, and advancing equity, inclusion, and overall well-being for all individuals and communities. The Eureka population and demographic data serves as a foundation for addressing social, economic and environmental challenges, while also nurturing the well-being and resilience of societies.
Healthcare Planning: The examination of Eureka demographics can potentially inform healthcare planning and delivery by identifying population health needs, disparities and risk factors. By comprehending demographic trends, healthcare providers and policymakers can allocate resources effectively, develop prevention and intervention programs, and address health inequities within communities. Through the utilization of demographic statistics, healthcare providers and policymakers aim to achieve equitable, accessible, and high-quality healthcare for all individuals and communities. This proactive healthcare planning approach ensures targeted interventions, efficient resource allocation and tailored 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 Eureka 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. Eureka 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.
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| Race | Eureka | California | National |
| White | 72.91% | 61.26% | 73.35% |
| Black | 2.30% | 5.85% | 12.63% |
| Asian | 6.20% | 13.85% | 5.22% |
| American Indian | 1.67% | 0.74% | 0.82% |
| Native Hawaiian | 0.23% | 0.39% | 0.18% |
| Mixed race | 10.16% | 4.62% | 3.06% |
| Other race | 6.54% | 13.28% | 4.75% |
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