Newcastle is a city located in McClain County, Oklahoma. Newcastle has a 2025 population of 15,553 . Newcastle is currently growing at a rate of 5.97% annually and its population has increased by 39.24% since the most recent census, which recorded a population of 11,170 in 2020.
The average household income in Newcastle is $117,541 with a poverty rate of 3.56%. The median age in Newcastle is 40.1 years: 41.1 years for males, and 39.1 years for females. For every 100 females there are 91.1 males.
Data after 2023 is projected based on recent change
The racial composition of Newcastle includes 80.22% White, 5.72% Native American, and smaller percentages for Black or African American, other race, Asian and multiracial populations.
White (80.22%)
Two or more races (11.02%)
Native American (5.72%)
Black or African American (1.86%)
Other race (0.65%)
Asian (0.52%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 9,817 | 80.22% |
| Two or more races | 1,349 | 11.02% |
| Native American | 700 | 5.72% |
| Black or African American | 228 | 1.86% |
| Other race | 80 | 0.65% |
| Asian | 64 | 0.52% |
Married
Widowed
Divorced
Separated
Never Married
Newcastle's average per capita income is $59,342. Household income levels show a median of $97,315. The poverty rate stands at 3.56%.
Name | Median | Mean |
|---|---|---|
| Married Families | $119,944 | - |
| Families | $111,316 | $132,978 |
| Households | $97,315 | $117,541 |
| Non Families | $51,542 | $72,827 |
Average Income
Median Household Income
Poverty Rate