Thibodaux Population

1850–2026

15,498

2026 projection

2.8% since 2020 (decrease)

05K10K15K20K186018801900192019401960198020002020

Source: U.S. Census Bureau decennial counts and annual estimates, including 2010–2020 intercensal estimates. 2026 is a projection. Values between recorded years are interpolated.

Use the left and right arrow keys to inspect population observations.

Population by year

Population estimates for Thibodaux. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
202615,498-750.48%
202515,573-340.22%
202415,607-330.21%
202315,640-970.62%
202215,737-830.52%
202115,820-1280.80%
202015,948+890.56%
201915,859+350.22%
201815,824+380.24%
201715,786+3792.46%

Showing 10 of 33 years.

The 2020 row compares the April 1 Census count with the July 1, 2019 estimate (about nine months). Its Growth and Annual change therefore do not represent a full year.

Growth since 2020, compared

Thibodaux has a population change about the same as Lafourche Parish, and lower than Louisiana and the U.S.

  • United States+3.1%
  • Louisiana−0.7%
  • Lafourche Parish−2.0%
  • Thibodaux−2.1%

Change from July 1, 2020 to July 1, 2025 population estimates—not annualized growth or site projections.

Source: U.S. Census Bureau. U.S. totals are summed from the 50 states and D.C.; unavailable comparisons are omitted.

Thibodaux Demographics

39median age

Median age

Female41.7 yrs
Male35.8 yrs

Adults

12,965
3,183 seniors (65+) · 25% of adults9,782 other adults

Sex

Female 52.2% · 8,216Male 47.8% · 7,516

U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101

Race and ethnicity

Tap a square or a group below to highlight it.

Each square is about 1% of residents (roughly 157 people).

Hispanic or Latino residents can be of any race. All other groups exclude Hispanic residents.

U.S. Census Bureau, 2024 ACS 5-year estimates · Table B03002

Thibodaux Income

$52,072median household income

Median household income

$52,072

Half of households earn more, half earn less

Median earnings

$53,198

Typical yearly pay for a worker 25 or older.

Poverty rate

19.6%

About 1 in 5 residents

U.S. Census Bureau, 2024 ACS 5-year estimates · Tables S1901, S1501, S1701

Thibodaux Marital Status

41% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married41%45%37%
Never married41%41%41%
Divorced11%10%11%
Widowed7%3%11%
Separated<1%<1%<1%

U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201