Gretna is a city located in Sarpy County, Nebraska. Gretna has a 2025 population of 9,180 . Gretna is currently declining at a rate of -0.29% annually and its population has decreased by -1.45% since the most recent census, which recorded a population of 9,315 in 2020.
The average household income in Gretna is $132,758 with a poverty rate of 3.5%. The median age in Gretna is 34.5 years: 33.8 years for males, and 35.4 years for females. For every 100 females there are 95.5 males.
Data after 2023 is projected based on recent change
The racial composition of Gretna includes 93% White, and smaller percentages for other race, Asian, Black or African American and multiracial populations.
White (93%)
Two or more races (5.51%)
Other race (1.01%)
Asian (0.29%)
Black or African American (0.2%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 8,479 | 93% |
| Two or more races | 502 | 5.51% |
| Other race | 92 | 1.01% |
| Asian | 26 | 0.29% |
| Black or African American | 18 | 0.2% |
Married
Widowed
Divorced
Separated
Never Married
Gretna's average per capita income is $69,403. Household income levels show a median of $118,765. The poverty rate stands at 3.5%.
Name | Median | Mean |
|---|---|---|
| Married Families | $160,461 | - |
| Families | $136,295 | $142,813 |
| Households | $118,765 | $132,758 |
| Non Families | $47,969 | $59,808 |
Average Income
Median Household Income
Poverty Rate