New Madrid County's 2026 population is estimated at 14,860, reflecting a -1.17% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). New Madrid County is the 68th largest county in Missouri. The 2010 population was 18,928 and has grown -21.49% since 2010.
Data after 2023 is projected based on recent change
Overall: 41.3 years
Female: 43.2 years
Male: 40.1 years
There are 12,007 adults, (3,125 of whom are seniors) in New Madrid County.
Female: 8,205 (52.2%)
Male: 7,526 (47.8%)
The racial composition of New Madrid County includes 75.23% White, 13.1% Black or African American, and smaller percentages for other race, Asian, Native American and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 11,834 | 75.23% |
| Black or African American | 2,060 | 13.1% |
| Two or more races | 1,713 | 10.89% |
| Other race | 61 | 0.39% |
| Asian | 49 | 0.31% |
| Native American | 14 | 0.09% |
New Madrid County 's average per capita income is $39,400. Household income levels show a median of $51,881. The poverty rate stands at 17.68%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $87,205 | $114,013 |
| Families | $67,137 | $90,300 |
| Households | $51,881 | $75,569 |
| Non Families | $30,198 | $42,069 |
Average Income
Median Household Income
Poverty Rate