| Statistic | Billings | Montana | National |
| Population | 113,244 | 1,097,879 | 336,919,644 |
| Population density (sq mi) | 2,584 | 8 | 91 |
| Median age | 37.3 | 39.8 | 37.7 |
| Male/Female ratio | 1.0:1 | 1.0:1 | 1.0:1 |
| Married (15yrs & older) | 55% | 58% | 55% |
| Families w/ Kids under 18 | 47% | 40% | 43% |
| Speak English | 96% | 96% | 79% |
| Speak Spanish | 2% | 1% | 13% |

The demographics of Billings 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 113,244, Billings exhibits a population density of 2,584 people per square mile, contrasting with the national average of 91. The median age stands at 37.3, with 55% of individuals aged 15 or older being married and 47% having children under 18. In terms of income equality in Billings, 19% of households report a median income below $25,000, while 17% report an income exceeding $150,000, showcasing a diverse economic landscape.
The Billings 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 Billings is 87.8% White, 1.2% Black or African American, 0.9% Asian, 4.6% American Indian and 0.1% Native Hawaiian - 6.8% of the population identify as Hispanic or Latino. Of all households, 95.9% reported speaking English only, while 1.7% reported speaking Spanish only. A total of 2.3% 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 Billings is 2,584 people per square mile, which far exceeds the national average of 91 and ranks among the most densely populated cities in the nation.
Education Allocation: Education planning benefits significantly from Billings demographic information, which helps identify student demographics, school enrollment trends, and educational needs. This data assists schools and policymakers in allocating resources effectively and devising impactful educational programs. It serves as a vital tool for recognizing disparities in educational access and outcomes among diverse demographic groups, including racial and ethnic minorities, socio-economic status, and students with disabilities. By disaggregating data based on demographic factors, education planners can pinpoint areas of inequity and implement targeted interventions to improve access, support, and outcomes for marginalized students. Ultimately, Billings demographic data is essential in education for advancing equity, fostering student success, and cultivating inclusive learning environments tailored to meet the needs of all students.
Urban Development: Billings demographic statistics are invaluable for urban planners in designing and developing areas that cater to residents' needs, encompassing housing, transportation, and public services, all while fostering sustainability and enhancing quality of life. Shifts in demographics can influence gentrification and neighborhood transformation, whether in urban or rural settings. As neighborhoods attract new residents with varying income levels and lifestyle preferences, property values may increase, potentially displacing long-term residents and altering the neighborhood's character. Analyzing population density, age distribution, household size, and income levels is crucial for guiding decisions regarding zoning, transportation infrastructure, housing expansion and public amenities. Utilizing Billings demographic data in planning and executing affordable housing initiatives can serve as a preventive measure against displacement.
Policy Planning: Demographic data and statistics play a fundamental role in informing policy and decision-making processes across government entities, organizations and businesses. Through the analysis and interpretation of Billings demographic data, policymakers, government officials, and organizational leaders can pinpoint areas of concern, allocate resources efficiently, and devise policies and initiatives tailored to the specific needs and preferences of distinct demographic groups. The utilization of demographics in Billings can be crucial in policy planning, facilitating evidence-based decision-making, identifying key priorities, forecasting future trends, monitoring policy outcomes and advancing principles of equity and inclusion. By harnessing this data effectively, policymakers can develop policies that are targeted, effective and inclusive, thus meeting the diverse needs of communities.

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| Race | Billings | Montana | National |
| White | 87.78% | 89.11% | 73.35% |
| Black | 1.20% | 0.42% | 12.63% |
| Asian | 0.88% | 0.73% | 5.22% |
| American Indian | 4.56% | 6.57% | 0.82% |
| Native Hawaiian | 0.08% | 0.08% | 0.18% |
| Mixed race | 4.39% | 2.59% | 3.06% |
| Other race | 1.10% | 0.50% | 4.75% |