Lake Arthur Population

1910–2026

2,563

2026 projection

1.2% since 2020 (decrease)

01K2K3K4K192019401960198020002020

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 Lake Arthur. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
20262,563-60.23%
20252,56900.00%
20242,569-80.31%
20232,577-190.73%
20222,596-240.92%
20212,620+250.96%
20202,595-150.57%
20192,610-220.84%
20182,632-10.04%
20172,633-20.08%

Showing 10 of 27 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

Lake Arthur has a population change higher than Jefferson Davis Parish, about the same as Louisiana, and lower than the U.S.

  • United States+3.1%
  • Louisiana−0.7%
  • Lake Arthur−0.9%
  • Jefferson Davis Parish−2.4%

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.

Lake Arthur Demographics

37.3median age

Median age

Female36.2 yrs
Male38 yrs

Adults

2,021
397 seniors (65+) · 20% of adults1,624 other adults

Sex

Female 52.9% · 1,368Male 47.1% · 1,217

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 26 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

Lake Arthur Income

$53,920median household income

Median household income

$53,920

Half of households earn more, half earn less

Median earnings

$35,357

Typical yearly pay for a worker 25 or older.

Poverty rate

23.3%

About 1 in 4 residents

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

Lake Arthur Marital Status

39% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married39%40%37%
Never married38%37%39%
Divorced15%12%17%
Widowed8%11%6%
Separated<1%0%2%

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