Sulphur, Louisiana Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates
The population of Sulphur, Louisiana is 21,004 as of the 2023 American Community Survey, making it the 23rd-largest city in Louisiana. The median household income is $58,044, the median home value is $175,200, and the median age is 39.3.
The population has grown 0.9% since 2010 (20,394 → 20,572).
21,004
Population
1870
People / sq mi
$58,044
Median Income
$175,200
Median Home Value
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Sulphur covers 11.2 sq mi of land at 1870 people per square mile.
About Sulphur, LA
Remote work is unusually rare in Sulphur: 3.6% of workers primarily work from home, below the 14.0% national rate. With 21,004 residents, Sulphur is a city in Louisiana. It ranks #23 among cities in Louisiana by population.
Earnings trail the nation, with the median household making $58,044, below the US median of $78,538. Poverty sits at 12.9%, close to the national 12.4%. Property is affordable here, the median home worth $175,200, with typical rent around $1,015.
Four-year-degree attainment is near the bottom of the range for US cities, 16.4%, below the national 35.0%. Home-based work is uncommon, at 3.6%, below the national 14.0%, and the average commute runs about 16 minutes each way.
Sulphur city Population History (2010-2024)
The city of Sulphur city had a population of 20,394 in 2010 and 20,572 in 2024, a 0.9% growth over 14 years. The peak was 21,819 in 2020. Average annual growth rate: 0.10%.
20,572
Population (2024)
20,394
Population (2010)
21,819
Peak (2020)
0.10%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 20,394 |
| 2011 | 20,296 |
| 2012 | 20,112 |
| 2013 | 20,114 |
| 2014 | 20,070 |
| 2015 | 20,069 |
| 2016 | 20,171 |
| 2017 | 20,144 |
| 2018 | 20,087 |
| 2019 | 20,065 |
| 2020 | 21,819 |
| 2021 | 20,663 |
| 2022 | 20,367 |
| 2023 | 20,476 |
| 2024 | 20,572 |
Race & Ethnicity
| White | 86.8% |
| Black or African American | 6.9% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 0.8% |
| Two or More Races | 0.0% |
Economy & Income
$58,044
Median Household Income
$30,014
Per Capita Income
12.9%
Poverty Rate
2.6%
Unemployment Rate
Housing
$175,200
Median Home Value
$1,015
Median Rent
72.8%
Owner-Occupied
Education
85.9%
High School+
16.4%
Bachelor's+
Commute
0.0%
Drive Alone
86.5%
Public Transit
3.6%
Work From Home
16.4 min
Avg Commute
Community Profile
16.8%
Foreign Born
93.7%
Non-English at Home
9.0%
Veterans
15.7%
With Disability
93.0%
Health Insurance
91.5%
Internet Access
Employment by Industry
| Professional, Scientific & Management | 17.3% |
| Construction | 15.8% |
| Education, Health Care & Social Services | 12.1% |
| Manufacturing | 10.0% |
| Public Administration | 7.4% |
| Finance, Insurance & Real Estate | 6.6% |
| Retail Trade | 5.4% |
| Arts, Entertainment & Food Services | 5.2% |
| Information | 3.3% |
| Transportation & Warehousing | 2.7% |
| Agriculture & Mining | 0.3% |
Largest cities in Louisiana
Largest counties in Louisiana
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Metro areas in Louisiana
City rankings
Frequently Asked Questions
Sulphur, Louisiana has a population of 21,004 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 23rd-largest city in Louisiana.
The median household income in Sulphur, Louisiana is $58,044, with 12.9% of residents living below the federal poverty level.
The median home value in Sulphur, Louisiana is $175,200, with median monthly rent at $1,015 and a homeownership rate of 72.8%.
The median age in Sulphur, Louisiana is 39.3 years. The population is 47.1% male and 52.9% female.
The population has grown 0.9% since 2010 (20,394 → 20,572).
Sulphur city, LA Climate
Sulphur city, LA has an average annual temperature of 19.9°C (68°F) and receives about 1455 mm of precipitation per year. The warmest month is July and the coldest is January. Figures are 1970–2000 climate normals.
19.9°C
Avg Temp
1455
Precip (mm/yr)
Jul
Hottest Month
Jan
Coldest Month
| Month | Avg (°C/°F) | Precip |
|---|---|---|
| January | 11° / 51° | 126 mm |
| February | 12° / 54° | 97 mm |
| March | 16° / 61° | 95 mm |
| April | 20° / 67° | 88 mm |
| May | 24° / 75° | 140 mm |
| June | 27° / 80° | 137 mm |
| July | 28° / 82° | 141 mm |
| August | 28° / 82° | 128 mm |
| September | 26° / 78° | 146 mm |
| October | 21° / 69° | 107 mm |
| November | 16° / 60° | 114 mm |
| December | 12° / 53° | 136 mm |
1970–2000 normals from WorldClim 2.1 (~9 km grid). Precipitation can be less precise near mountains or coastlines, where rainfall varies sharply over short distances.
Best time to visit Sulphur city, LA
The most comfortable months to visit Sulphur city, LA are typically October, April and March, when temperatures are mildest and rainfall is relatively low. The hottest month is July (around 33°C high). The coldest is January (near 5°C low). September is usually the wettest month.
Where to stay near Sulphur
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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.