Statistic Seneca Illinois National
Population 2,534 12,671,821 328,239,523
Population density (sq mi) 408 228 91
Median age 34.8 37.4 37.7
Male/Female ratio 1.0:1 1.0:1 1.0:1
Married (15yrs & older) 54% 55% 55%
Families w/ Kids under 18 49% 44% 43%
Speak English 99% 77% 79%
Speak Spanish 1% 13% 13%

Overview of Seneca Demographics

Seneca demographics provide invaluable insights into the composition, dynamics and needs of urban and rural areas, enabling them to plan, develop, and govern in ways that promote prosperity, equity and well-being for all residents. The Seneca population is 2,534 and has a population density of 408 people per square mile, compared to the national average of 91. The median age of all residents is 34.8, 54% of people 15 years of age or older are married and 49% have kids under the age of 18. In Seneca, 10% of households have a median income that is below $25,000 and 22% of households report a median income above $150,000.

Seneca Racial Demographics & Ethnicity

Understanding the Seneca racial demographics and ethnic composition is paramount for addressing systemic inequities, advancing social justice and inclusion and fortifying communities. In Seneca, the racial breakdown indicates 96.8% White, 0.7% Black or African American, 0% Asian, 0% American Indian and 0% Native Hawaiian, with 4% of the population identifying as Hispanic or Latino. Notably, 99.4% of households reported speaking English only, while 0.6% reported speaking Spanish only. Additionally, 0.2% of residents were categorized as foreign-born.

Seneca Population Density

Regions with below-average population density like Seneca, tend to offer a serene pace of life, stronger ties to nature, tight-knit communities, increased affordability and heightened safety, making them appealing havens for those desiring a tranquil lifestyle away from urban chaos. These locales often boast a more economical cost of living, with housing prices typically more accessible and residents may enjoy reduced taxes, living expenses and insurance rates. Low population density areas generally exhibit lower crime rates than densely populated urban regions, fostering a heightened sense of security for residents and their families. With a population density of 408 people per square mile, Seneca ranks lower than 50% of cities nationwide and positions itself in a great spot to take advantage of all these benefits.

Why are Demographics Important?

Healthcare Planning: The examination of Seneca 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.

Understanding Populations: By delving into and analyzing the Seneca demographic stats, we can uncover insightful details regarding the composition and attributes of populations, spanning age, gender, race, ethnicity, income, education and other socio-economic indicators. This comprehension is vital for addressing the diverse needs, preferences and hurdles faced by various demographic groups within communities. Demographics wield significant influence in understanding populations, shaping decision-making processes and championing equity, inclusion, and the overall welfare of all individuals and communities. The Seneca population and demographic data serves as a cornerstone for tackling social, economic and environmental challenges, while simultaneously nurturing the well-being and resilience of societies.

Policy Planning: At various levels of government and within organizations and businesses, demographic data and statistics serve as essential tools for guiding policy and decision-making processes. Through the examination and interpretation of Seneca demographic stats and data, policymakers, government officials, and organizational leaders can pinpoint areas requiring attention, allocate resources judiciously and design policies and initiatives tailored to the specific needs and preferences of distinct demographic segments. The utilization of Seneca demographic data plays a pivotal role in policy formulation by informing resource allocation, facilitating evidence-based decision-making, identifying key priorities, predicting future trends, assessing policy effectiveness, and advancing principles of equity and inclusivity. Through effective utilization of this data, policymakers can craft policies that are targeted, efficient, and responsive to the diverse needs of communities.

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Demographics Quick Facts

  • The population density in Seneca is 79% higher than Illinois
  • The median age in Seneca is 7% lower than Illinois
  • In Seneca 96.80% of the population is White
  • In Seneca 0.67% of the population is Black
  • In Seneca 0.00% of the population is Asian

Compare Seneca, IL Demographics

      vs

      Seneca racial demographics

      Race Seneca Illinois National
      White 96.80% 72.14% 73.35%
      Black 0.67% 14.30% 12.63%
      Asian 0.00% 5.10% 5.22%
      American Indian 0.00% 0.23% 0.82%
      Native Hawaiian 0.00% 0.03% 0.18%
      Mixed race 2.45% 2.34% 3.06%
      Other race 0.08% 5.86% 4.75%
      In Seneca, 4.0% 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

      Seneca age breakdown

      Marital status

      Age of children in married couples

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