NYC invests billions in healthcare infrastructure, yet health outcomes vary dramatically by neighborhood. This analysis tested a common assumption that more facilities lead to better outcomes, using data across 2,368 census tracts in all five boroughs. By combining CDC health data, U.S. Census demographics, and NYC facility records, it revealed that income, not access, drives disparities and segmented neighborhoods into four actionable health profiles. The findings guided targeted recommendations: where to invest (South Bronx and Central Brooklyn), how to invest (barrier reduction over facility expansion), and when to act (before economic shocks compound existing vulnerabilities).
Business Problem
NYC Department of Health leadership, community health organizations, and hospital network administrators needed data-driven answers to guide resource allocation, but lacked neighborhood-level segmentation to make targeted decisions.
Business Objectives
Identify primary drivers of health outcome disparities across NYC neighborhoods
Test whether healthcare facility access improves health outcomes
Segment neighborhoods into actionable health profiles for targeted investment
Provide data-driven recommendations for resource allocation
Data Sources
CDC PLACES (2020–2024 releases)
U.S. Census American Community Survey
NYC Open Data Health Facility Dataset
FRED NYC Unemployment Rate
2,368 census tracts · 10,699 observations · 2018–2022
Key Findings
The Bronx Paradox: More facilities per capita, yet the worst health outcomes across every metric. Diabetes prevalence shown here as the starkest contrast between facility and access and actual outcomes.
Top Insights
The Bronx has the most facilities per capita (6.7 per 100K) and the worst diabetes rate (14.2%) → income drives outcomes, not access
Four neighborhood profiles identified: healthiest ($102K income, 9% diabetes) to most vulnerable ($53K income, 14.8% diabetes) → clear income gradient
High-need communities concentrated in South Bronx and Central Brooklyn → geographic targeting is possible
NYC unemployment hit 17.6% during COVID, disproportionately impacting already-vulnerable neighborhoods → economic shocks compound health disparities
K-means clustering revealed four distinct neighborhood profiles. Cluster 3 (High-Need, Under-Resourced) dominates every dimension with $53K income, 14.8% diabetes, and 34.3% obesity, while Cluster 0 (High-Income, Healthiest) shows the smallest footprint at $102K income and 9.0% diabetes.
Geographic Segmentation
Health disparities are geographically concentrated: Cluster 3 (darkest green) fills the South Bronx and Central Brooklyn, while Manhattan and Staten Island are predominantly Cluster 0. Queens is dominated by Coverage Gap Communities with the highest uninsured rate (7.4%) and lowest facility density..
Recommendations
Where to Invest
Prioritize South Bronx and Central Brooklyn ($53K income, 14.8% diabetes)
These neighborhoods need integrated health and economic support, not just more clinics
Target Queens for insurance navigation (highest uninsured rate at 7.4%)
How to Invest
Shift from facility expansion to barrier reduction (transportation, health literacy, preventive care)
Deploy community health workers and insurance enrollment navigators
Build economic resilience programs in vulnerable neighborhoods