Cardinal Lake, a neighborhood in Durham, North Carolina, is categorized as a "Black Majority" community, with 69% of its population identifying as Black in 2022. The neighborhood has experienced fluctuations in population and median income over the past decade. Cardinal Lake's population increased from 3,057 in 2010 to 3,988 residents in 2022, indicating its growing attractiveness as a residential area within Durham.

Over the past decade, Cardinal Lake has maintained its status as a "Black Majority" community. From 2013 to 2018, the Black population percentage increased from 61% to 73%. The period 2019-2021 saw a slight decline to 56%, though still maintaining majority status. In 2022, there was a rebound to 69% Black population. The neighborhood has shown signs of increasing diversity, with the Hispanic population growing from 3% in 2015 to 8% in 2022, and residents identifying as two or more races increasing from 1% in 2014 to 11% in 2022. The White population has decreased from 27% in 2013 to 12% in 2022.

The median income in Cardinal Lake has shown volatility. From 2013 to 2019, there was an upward trend, with median income rising from $69,745 to $80,851. In 2020, there was a drop to $52,197, possibly due to the economic impact of the COVID-19 pandemic. Since then, there has been a recovery, with median income reaching $71,950 in 2022. These economic fluctuations correlate with demographic shifts. The period of increasing income coincided with a strengthening of the Black majority status. The income drop in 2020 occurred alongside a slight decrease in the Black population percentage and an increase in diversity. The recent income recovery aligns with a rebound in the Black population percentage.