PlainSpending

St. Tammany Parish

$2.1B in FY2025 - a heavy absolute book at $7,885 per capita.

Louisiana · FIPS 22103

In FY2025, St. Tammany Parish in Louisiana posted a dense absolute book of $2.1B ($7,885 per capita across 264,570 residents). That is 49.6% below the national average and 38.6% below the Louisiana average. Social Security Administration leads tracked agency share. Statewide per-capita rank: #17 of 64.

Total spending
$2.1B
Per capita
$7,885
vs. national avg
-49.6%
Fiscal year
FY2025

Heavy absolute federal book

St. Tammany Parish sits #302 of 3,224 counties by total obligations ($2.1B).

Heavy absolute federal book

St. Tammany Parish posts below-median federal per-capita spending nationally, with spending dominated by Social Security Administration.

National per-capita rank
Top 56%
of 3,232 US counties
Per-capita spending
$7,885
Leading agency
Social Security Administration
77.6% of tracked spending
Louisiana rank
#17 of 64

How St. Tammany Parish Compares

Per-capita federal spending: St. Tammany Parish vs. Louisiana and the nation

St. Tammany Parish$7,885Louisiana avg$12,840National avg$15,647
Source: USASpending.gov FY2025 + U.S. Census Bureau population estimates.

Population: 264,570 (U.S. Census Bureau estimate) - the denominator behind the per-capita figures above.

Leading Federal Agencies in St. Tammany Parish

Top awarding agencies in St. Tammany Parish, FY2025

Social Security Administrati…$1.5BDepartment of Veterans Affai…$241.6MDepartment of Defense$183.2M
Source: USASpending.gov FY2025, aggregated by awarding agency.

Among the 3,224 US counties with agency-level spending data, Social Security Administration is the most common leading agency nationally, topping 89.7% of agency-tracked counties.

These 3 agencies together account for $1.9B (90.8%) of St. Tammany Parish's $2.1B in total tracked federal spending.

All 3 individually-tracked agencies are shown above - St. Tammany Parish has no smaller residual awarding agencies broken out beyond this set, a compact agency footprint rather than a long tail of minor awardees.

Read the agency breakdown as a table
Agency Spending Share
Social Security Administration $1.5B 77.6%
Department of Veterans Affairs $241.6M 12.8%
Department of Defense $183.2M 9.7%

How St. Tammany Parish Ranks Nationally

Per-capita federal spending vs. all US counties

All 3,232 US counties, FY2025

$7,885 Around the middle higher than 44% of 3,224 US counties

all US counties, per-capita spending, bucketed by value

Each bar is a $1K-wide band; taller bars hold more US counties. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.

Source USASpending.gov FY2025 + U.S. Census Bureau population estimates

St. Tammany Parish Among Louisiana's Largest Counties

Population vs. per-capita spending: Louisiana's biggest counties

The 15 largest-population counties in Louisiana by FY2025 federal spending, plotted by population against spending per resident. Bubble size tracks total spending; St. Tammany Parish is highlighted. 2×2 strategic matrix plotting 15 entities by Population (X) and Spending per capita ($) (Y), with a crosshair dividing the plot into four quadrants. Large and spending-intensiveSmall population, outsized spendingLarge population, modest per-residentSmaller footprint both ways 0100,000200,000300,000400,000500,000 $4,000$6,000$8,000$10,000$12,000$14,000 Population Spending per capita ($)
The 15 largest-population counties in Louisiana by FY2025 federal spending, plotted by population against spending per resident. Bubble size tracks total spending; St. Tammany Parish is highlighted.
Read the chart as a table
County Population Per capita Total spending
East Baton Rouge Parish 456,781 $11,976 $5.5B
Jefferson Parish 440,781 $13,470 $5.9B
Orleans Parish 383,997 $11,854 $4.6B
St. Tammany Parish (this county) 264,570 $7,885 $2.1B
Lafayette Parish 241,753 $6,169 $1.5B
Caddo Parish 237,848 $7,068 $1.7B
Calcasieu Parish 216,785 $6,131 $1.3B
Ouachita Parish 160,368 $6,653 $1.1B
Livingston Parish 142,282 $5,780 $822.4M
Tangipahoa Parish 133,157 $6,092 $811.2M
Rapides Parish 130,023 $7,431 $966.2M
Bossier Parish 128,746 $9,263 $1.2B
Ascension Parish 126,500 $6,304 $797.5M
Terrebonne Parish 109,580 $7,045 $772.0M
Lafourche Parish 97,557 $8,593 $838.3M

Nearby Counties With Similar Federal Spending

Counties with per-capita federal spending closest to St. Tammany Parish's $7,885 - prioritizing Louisiana peers first.

Bienville Parish

Louisiana

$7,817 per capita

$101.5M total

Concordia Parish

Louisiana

$7,996 per capita

$149.4M total

Morehouse Parish

Louisiana

$8,001 per capita

$205.0M total

Sabine Parish

Louisiana

$7,727 per capita

$171.2M total

Caldwell Parish

Louisiana

$7,671 per capita

$74.0M total

Compare states side-by-side in the compare tool →

Nationwide counties with similar per-capita or total federal spending

Two peer sets outside Louisiana - per-resident intensity and total obligation volume, distinct from the same-state neighbors above.

Similar per-capita spending

Nearest out-of-state counties by federal spending per resident ($7,885 here).

Similar total federal spending

Nearest out-of-state counties by total obligations ($2.1B here).

Counties with fewer than 10,000 residents are excluded from the nationwide comparison corpus.

Data Source: USASpending.gov (U.S. Department of the Treasury), Fiscal Year 2025. Population denominators are U.S. Census Bureau vintage estimates. County-level spending includes all federal awards with place of performance in this county; OMB budget categorizations are reflected at the agency level.

Read our methodology - how this data is sourced, computed, and presented.

Verify with USASpending.gov → Verify population with U.S. Census Bureau →