Census tract · St. Tammany Parish
Census Tract 409, St. Tammany Parish, Louisiana
Census Tract 409, GEOID 22103040900, in St. Tammany Parish, Louisiana, mostly within Slidell (81% of its census blocks). 3,505 residents in the ACS 2020-2024 5-year estimates (±642); the 2020 Census counted 3,535.
Residents, 2020-2024
3,505
±642 (90% margin)
2020 Census count: 3,535
Median household income
$50,365
±$16,263 (90% margin)
St. Tammany Parish: $81,202
Median home value
$164,300
±$26,519 (90% margin)
St. Tammany Parish: $284,000
Median gross rent
$1,446
±$237 (90% margin)
St. Tammany Parish: $1,332
Where is Census Tract 409?
Census Tract 409 is one of 59 census tracts in St. Tammany Parish, Louisiana. It covers 2.24 square miles of land, 1,581 residents per square mile in 2020. Its GEOID, 22103040900, names it uniquely (how tract numbers and GEOIDs work).
| Place | Share of the tract |
|---|---|
| Slidell | 81% |
5 census tracts border Census Tract 409: Tract 408.01 ($59,815), Tract 408.06 ($59,844), Tract 410.02 ($77,747), Tract 411.03 ($58,013) and Tract 411.04 ($63,750). The figure in brackets is each tract's median household income.
Whether a tract counts as low- or moderate-income for bank lending (the Community Reinvestment Act) is set by the FFIEC against its metro area's family income: look it up in the FFIEC census geocoder.
Source: 2024 Gazetteer and 2020 block assignment files, U.S. Census Bureau · Census reference files
How many people live in Census Tract 409?
The 2020-2024 American Community Survey puts Census Tract 409's population at 3,505 (±642) in 1,563 households; the 2020 Census counted 3,535 residents and 1,740 housing units.
| Measure | Tract 409 | Slidell |
|---|---|---|
| Total population | 3,505 ±642 | 28,561 |
| Households | 1,563 ±243 | 10,995 |
| Average household size | 2.24 ±0.28 | 2.56 |
| Housing units | 1,820 ±202 | 12,203 |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); 2020 Census P.L. 94-171 · Check it at data.census.gov
Who lives in Census Tract 409?
The median resident of Census Tract 409 is 31.3 years old; 30.2% are under 18 and 14.8% are 65 or older. The largest group is non-Hispanic Black residents at 46.4%, then non-Hispanic white residents at 36.3%.
| Measure | Tract 409 | Slidell |
|---|---|---|
| Median age | 31.3 ±7.1 | 38.9 |
| Under 18 years | 30.2% ±7.5 pts | 23.7% |
| 65 years and over | 14.8% ±5.2 pts | 21.4% |
| Hispanic or Latino (any race) | 10.3% ±6.5 pts | 9.8% |
| White alone, not Hispanic | 36.3% ±9.9 pts | 61.4% |
| Black or African American alone, not Hispanic | 46.4% ±11.9 pts | 19.6% |
| Asian alone, not Hispanic | 0.7% ±1.1 pts | 2.1% |
| American Indian and Alaska Native alone, not Hispanic | 0.1% ±0.1 pts | 0.1% |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.0% ±1.3 pts | 0.0% |
| Two or more races, not Hispanic | 6.2% ±3.9 pts | 6.7% |
| Some other race alone, not Hispanic | 0.0% ±1.3 pts | 0.3% |
| Born outside the United States | 6.4% ±4.6 pts | 4.5% |
| Speak a language other than English at home (age 5+) | 9.1% ±6.6 pts | 8.6% |
| Civilian veterans (age 18+) | 8.0% ±4.9 pts | 9.2% |
| With a disability | 16.2% ±7.0 pts | 20.1% |
| No health insurance coverage | 14.0% ±6.7 pts | 11.9% |
| High school graduate or higher (age 25+) | 84.0% ±7.0 pts | 90.0% |
| Bachelor's degree or higher (age 25+) | 28.7% ±9.0 pts | 31.4% |
| Graduate or professional degree (age 25+) | 13.0% ±5.8 pts | 9.9% |
| Lived in the same house a year earlier | 62.7% ±14.1 pts | 83.6% |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profiles DP02, DP05) · Check it at data.census.gov
What do households in Census Tract 409 earn?
Half of the 1,563 households in Census Tract 409 earn less than $50,365 a year (±$16,263), against $81,202 across St. Tammany Parish: 54th highest of the county's 56 tracts with a reliable estimate. 32.1% of residents live below the poverty line.
| Measure | Tract 409 | Slidell |
|---|---|---|
| Median household income | $50,365 ±$16,263 | $70,497 |
| Mean household income | $63,981 ±$11,215 | $86,034 |
| Per capita income | $28,952 ±$6,265 | $34,749 |
| People below the poverty line | 32.1% ±10.1 pts | 15.7% |
| Children under 18 below the poverty line | 49.9% ±20.6 pts | 26.8% |
| Households receiving SNAP | 20.7% ±10.1 pts | 13.9% |
| Households with a computer | 91.5% ±7.7 pts | 95.9% |
| Households with a broadband subscription | 90.5% ±6.8 pts | 95.5% |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov
What does housing cost in Census Tract 409?
Owners occupy 33.8% of Census Tract 409's occupied homes and renters 66.2%. The median owner-occupied home is valued at $164,300 by its owner (±$26,519). The median renter pays $1,446 a month including utilities, and 41.9% of renters pay 35% or more of their income on rent.
| Measure | Tract 409 | Slidell |
|---|---|---|
| Median home value (owner-occupied) | $164,300 ±$26,519 | $217,700 |
| Median gross rent | $1,446 ±$237 | $1,375 |
| Renters paying 35% or more of income on rent | 41.9% ±15.0 pts | 48.6% |
| Median monthly owner costs, with a mortgage | $1,615 ±$197 | $1,609 |
| Owner-occupied homes | 33.8% ±10.2 pts | 68.5% |
| Renter-occupied homes | 66.2% ±10.2 pts | 31.5% |
| Housing units | 1,820 ±202 | 12,203 |
| Single-family detached homes | 35.8% ±8.2 pts | 72.4% |
| Mobile homes | 7.2% ±4.0 pts | 0.3% |
| Built 2020 or later | 9.1% ±5.3 pts | 1.8% |
| Built 2010 to 2019 | 16.9% ±8.2 pts | 6.4% |
| Built 1939 or earlier | 9.4% ±4.9 pts | 3.5% |
| Households with no vehicle | 17.5% ±9.7 pts | 7.5% |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP04) · Check it at data.census.gov
How do people in Census Tract 409 get to work?
80.6% of Census Tract 409's workers drive alone and 8.8% work from home. The average trip to work takes 27.9 minutes.
| Measure | Tract 409 | Slidell |
|---|---|---|
| In the labor force (age 16+) | 64.8% ±8.2 pts | 60.4% |
| Unemployment rate | 2.2% ±2.4 pts | 5.8% |
| Drove alone to work | 80.6% ±9.2 pts | 77.6% |
| Carpooled | 9.6% ±8.2 pts | 8.7% |
| Public transportation | 1.0% ±1.7 pts | 0.5% |
| Walked | 0.0% ±2.8 pts | 0.7% |
| Worked from home | 8.8% ±4.5 pts | 11.1% |
| Mean travel time to work | 27.9 min ±5.9 | 29.1 min |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov
How does Census Tract 409 compare with the other tracts in St. Tammany Parish?
Among St. Tammany Parish's tracts with a reliable estimate, Census Tract 409 ranks as shown below (1 = highest).
| Measure | In St. Tammany Parish | In Slidell |
|---|---|---|
| Population | 45th of 58 | 13th of 15 |
| Residents per square mile | 19th of 58 | 10th of 15 |
| Median household income | 54th of 56 | 15th of 15 |
| Per capita income | 56th of 58 | 14th of 15 |
| Median home value | 57th of 58 | 15th of 15 |
| Median gross rent | 15th of 51 | 6th of 15 |
| Poverty rate | 1st of 36 | 1st of 8 |
| Bachelor's degree or higher | 41st of 58 | 8th of 15 |
| Median age | 57th of 58 | 14th of 15 |
| Owner-occupied share | 58th of 58 | 15th of 15 |
The tracts next to it on St. Tammany Parish's income ladder
| Tract | Rank | Median household income |
|---|---|---|
| Tract 412.02 | 51st | $56,806±$28,047 · within the margin of this tract |
| Tract 402.06 | 52nd | $54,737±$22,354 · within the margin of this tract |
| Tract 407.11 | 53rd | $53,723±$17,984 · within the margin of this tract |
| Tract 409 | 54th | $50,365±$16,263 |
| Tract 407.13 | 55th | $46,733±$9,461 · within the margin of this tract |
| Tract 401.08 | 56th | $44,911±$24,295 · within the margin of this tract |
"Within the margin": the two incomes differ by less than their combined 90% margins, so the survey cannot say which is higher and the ranks between them are not firm.
Source: PlainCities ranks computed from the American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) · How ranks are computed
How reliable are the figures for Census Tract 409?
1 of the 18 figures for Census Tract 409 on this page carries a coefficient of variation over 40% and is marked with a ring: they come from a small sample, so read them as rough.
A census tract's figures rest on a few hundred sampled households over five years, so its margins are wider than a city's. Two tracts differ only when the gap between them is larger than their combined 90% margin (the square root of the sum of the two squared margins). How to read a margin of error.
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026): margins of error as published · Check it at data.census.gov
How these figures are made: methodology and release checks · reading a margin of error · every state · corrections