Vienna Bend is an unincorporated community and census-designated place (CDP) in Natchitoches Parish, Louisiana, United States. The population was 1,251 at the 2010 census.

Historical population

Census	Pop.	Note	%±
2020	1,314		—
U.S. Decennial Census

Vienna Bend first appeared as a census designated place in the 2010 U.S. Census.

Vienna Bend CDP, Louisiana – Racial and ethnic composition
Note: the US Census treats Hispanic/Latino as an ethnic category. This table excludes Latinos from the racial categories and assigns them to a separate category. Hispanics/Latinos may be of any race.

Race / Ethnicity (NH = Non-Hispanic)	Pop 2010	Pop 2020	% 2010	% 2020
White alone (NH)	582	377	46.52%	28.69%
Black or African American alone (NH)	582	772	46.52%	58.75%
Native American or Alaska Native alone (NH)	10	17	0.80%	1.29%
Asian alone (NH)	4	15	0.32%	1.14%
Pacific Islander alone (NH)	1	0	0.08%	0.00%
Other race alone (NH)	25	27	2.00%	2.05%
Mixed race or Multiracial (NH)	27	61	2.16%	4.64%
Hispanic or Latino (any race)	20	45	1.60%	3.42%
Total	1,251	1,314	100.00%	100.00%