States · Louisiana · East Baton Rouge Parish

Old Jefferson, Louisiana.

A community in East Baton Rouge Parish, with no city government of its own. Zillow publishes no home prices for it: see East Baton Rouge Parish’s.

Living in Old Jefferson, East Baton Rouge Parish, Louisiana

Old Jefferson, in East Baton Rouge Parish, had 7,339 people in the 2020 census. Half its households earn more than $92,075 a year and half less, against $63,071 across East Baton Rouge Parish; 9% of its people live below the poverty line. 74% of its homes are lived in by their owners and 26% are rented. Unemployment in East Baton Rouge Parish was 3.7% in August 2026, and the county had about as many jobs in 2025 as the year before. The most people in East Baton Rouge Parish work in schools and health care, then professional services.

People 7,339 in the 2020 census
Household income $92,075 the median, give or take $22,016 · East Baton Rouge Parish: $63,071
Unemployment 3.7% East Baton Rouge Parish, August 2026; 4.4% a year before
Homes 74% lived in by their owners; 26% rented
  • 3,774households
  • 57%of adults have a degree
  • 9%below the poverty line
  • 26 mintypical commute
  • 11%work from home

What people in East Baton Rouge Parish work in

  • Schools, hospitals and social care26%
  • Professional and business services11%
  • Shops (retail)10%
  • Restaurants, hotels and entertainment10%
  • Manufacturing8%
  • Building trades7%

Employed residents by industry, from the Census survey. East Baton Rouge Parish had 270,640 jobs in 2025, about as many as the year before (Bureau of Labor Statistics).

Weather through the year

Average daily high and low for each month: coldest in January, 61° and 40°; warmest in August, 91° and 72° 40° 50° 60° 70° 80° 90° 100° J 61° 40° F M A M J J A 91° 72° S O N D
Average daily high and low for each month: coldest in January, 61° and 40°; warmest in August, 91° and 72° 40° 50° 60° 70° 80° 90° 100° J 61° 40° F M A M J J A 91° 72° S O N D

Coldest in January, with highs near 61° and lows near 40°; warmest in August, with highs near 91° and lows near 72°. About 60 inches of rain and melted snow a year.

Average daily high and low, 1991–2020, at the Lsu Ben-hur Farm weather station, 10 miles away (NOAA).

Largest workplaces in East Baton Rouge Parish

  1. Brown & Root Industrial ServicesCommercial building construction general contractors10,126
  2. MMR ConstructorsElectric contracting8,488
  3. Louisiana State University and Agricultural & Mechanical CollegeUniversity or college7,035
  4. Our Lady of the Lake RMCGeneral hospital4,839FTE
  5. East Baton Rouge Parish SchoolsSchool district4,702FTE
  6. AmazonGeneral warehousing and storage3,113
  7. Triad Electric & ControlsElectrical, electrical wiring, and low voltage electrical work2,966
  8. Blue Cross and Blue Shield of LouisianaMedical insurance carriers, direct2,668

Staff on average in 2025, as each workplace reported it to OSHA with its injury records: 407 workplaces with 20 or more staff, 80,194 people in all across the county; Old Jefferson has two of its own. Colleges come from IPEDS (NCES, 2023–24), hospitals from their Medicare cost reports (CMS, 2023) and school districts from the Common Core of Data (NCES, 2023–24); FTE marks full-time equivalent staff. Not listed: many offices and banks, which need not report to OSHA; military bases, whose staff OPM withholds; and, in about half the states, city and county governments.

Natural hazards

  1. TornadoesVery high
  2. HurricanesRelatively high
  3. Cold wavesRelatively high
  4. Heat wavesRelatively high
  5. LightningRelatively high
  6. Coastal floodingRelatively moderate

FEMA’s National Risk Index (December 2025) rates the risk each natural hazard poses to the people, buildings and farms in Old Jefferson’s census tracts, against the rest of the country; all of them together, relatively moderate. It is meant for planning, not a substitute for a local risk assessment or a flood map: FEMA’s index.

From the U.S. Census Bureau’s 2020 census and its American Community Survey (2020–2024 five-year estimates), and the Bureau of Labor Statistics. A survey, so each figure has a margin of error, and figures it is not sure of are left out. More on East Baton Rouge Parish.