Ada County
$5.3B in FY2025 federal spending, $10,803 per capita.
Idaho · FIPS 16001
In FY2025, Ada County in Idaho received $5.3B in federal spending - $10,803 per capita for a population of 494,967. This is 31.0% below the national average and 12.9% below the Idaho average. The leading federal agency by spending share is Social Security Administration. By per-capita federal spending, it ranks #10 of 44 Idaho counties.
- Total spending
- $5.3B
- Per capita
- $10,803
- vs. national avg
- -31.0%
- Fiscal year
- FY2025
The verdict
Ada County posts top-quartile federal per-capita spending nationally, with spending dominated by Social Security Administration.
- National per-capita rank
- Top 21%
- of 3,232 US counties
- Per-capita spending
- $10,803
- Leading agency
- Social Security Administration
- 62.2% of tracked spending
- Idaho rank
- #10 of 44
How Ada County Compares
Per-capita federal spending: Ada County vs. Idaho and the nation
Population: 494,967 (U.S. Census Bureau estimate) - the denominator behind the per-capita figures above.
Leading Federal Agencies in Ada County
Top awarding agencies in Ada County, FY2025
Among the 1,150 US counties with agency-level spending data, Social Security Administration is the most common leading agency nationally, topping 86% of agency-tracked counties.
These 3 agencies together account for $3.7B (69.4%) of Ada County's $5.3B in total tracked federal spending -- the remainder is spread across smaller awarding agencies not individually broken out in this dataset.
All 3 individually-tracked agencies are shown above - Ada County 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 | $2.3B | 62.2% |
| Department of Health and Human Services | $808.0M | 21.8% |
| Department of Commerce | $592.4M | 16% |
How Ada County Ranks Nationally
Per-capita federal spending vs. all US counties
All 3,232 US counties, FY2025
$10,803 Top 21% higher than 79% of 3,224 US counties
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, share, and where it sits relative to this entry.
Source USASpending.gov FY2025 + U.S. Census Bureau population estimates
Ada County Among Idaho's Largest Counties
Population vs. per-capita spending: Idaho's biggest counties
Read the chart as a table
| County | Population | Per capita | Total spending |
|---|---|---|---|
| Ada County (this county) | 494,967 | $10,803 | $5.3B |
| Canyon County | 231,105 | $6,107 | $1.4B |
| Kootenai County | 171,362 | $8,528 | $1.5B |
| Bonneville County | 123,964 | $25,455 | $3.2B |
| Twin Falls County | 90,046 | $6,444 | $580.2M |
| Bannock County | 87,018 | $8,654 | $753.0M |
| Madison County | 52,913 | $3,628 | $192.0M |
| Bingham County | 47,992 | $7,416 | $355.9M |
| Bonner County | 47,110 | $9,611 | $452.8M |
| Nez Perce County | 42,090 | $9,141 | $384.8M |
| Latah County | 39,517 | $8,551 | $337.9M |
| Jefferson County | 30,891 | $5,888 | $181.9M |
| Elmore County | 28,666 | $10,152 | $291.0M |
| Payette County | 25,386 | $7,587 | $192.6M |
| Cassia County | 24,655 | $5,873 | $144.8M |
Federal Spending Guides
Nearby Counties With Similar Federal Spending
Counties with per-capita federal spending closest to Ada County's $10,803 - prioritizing Idaho peers first.
Frequently Asked Questions
How much federal spending did Ada County, Idaho receive?
How does Ada County's per capita spending compare to the national average?
What is the population of Ada County, Idaho?
Read our methodology - how this data is sourced, computed, and presented.
Verify with USASpending.gov → Verify population with U.S. Census Bureau →
Every figure on PlainSpending is computed directly from USASpending.gov award-transaction data, no number is typed in by an editor. This page aggregates every federal award with a place-of-performance in this county, live from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.