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Lafayette Parish was named for Marquis de la Fayette. You can tour the Hilliard Art Museum and the Acadian Village, a living museum of 19th-century Cajun life here.
As of 2026 the population of Lafayette is 255,070. The population is expected to grow to 264,758 by 2031 - a growth rate of 0.75%.
The median age of Lafayette residents is 38.
The diversity index of Lafayette is 60.7, meaning that there is a 61% chance that any two people selected out of 100 residents will be of different race or ethnicity from one another.
The average household income in Lafayette is $101,166 and projected to be $113,799 in 2031. Per capita income is $42,161, projected to be $48,197 in 2031. 4.44% of households – 11,318 – have an income of $200,000 or higher. Average net worth is $946,652 and the average disposable income is $77,379.
There are 119,175 housing units in Lafayette; 70,316 are owner-occupied, 35,763 are rented, and 13,096 are vacant. The average home value is $322,656, with 24,282 homes built in 2010 or later, and 1,981 built in 1939 or earlier.
There are 14,536 businesses in Lafayette, employing 164,090 workers and pulling from a labor force of 119,217 age 16 and above. 15,339 workers commute into Lafayette from outside the county or state. Key industries for the area include:
102,787 residents both live and work in/around Lafayette. The average travel time is 22.9 minutes. 2.18% people have a commute of less than 5 minutes while 2.71% commute 90 minutes or more each way. Of commuters, 95,549 drive alone, 6,952 carpool, and 596 take public transportation. 3,215 use other modes of transport such as motorcycle, bicycle, walking, etc. 12,408 residents work from home.
51,860 members of the workforce hold a high school diploma or GED. 13,931 have associates degrees, 43,950 have bachelor’s degrees, and 20,412 hold a graduate or professional degree.
Source: ESRI, 2026-08-31
