Joaquin Castro
Democrat · TX-20 · 119th Congress
International Organizations (Chair) · and Global Corporate Social Impact (Chair) · House Committee on Education and Labor · House Committee on Foreign Affairs · Civilian Security · and International Economic Policy · and Trade · House Permanent Select Committee on Intelligence · and Counterproliferation
Influence Score
45.4
Least exposed
↓ -0.5 vs 118th (45.9)
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This score measures financial influence across twelve categories. Each bar shows how this member compares to all others in Congress. Longer bars mean more exposure.

Score breakdown — twelve categories
Contributionsmoney from PACs (political action committees) and individual donors
1.6
/ 12
Outside spendingmoney spent by groups to help elect them
< 0.1
/ 6
Spent to help elect them
$61
Outside groups that spent to help elect this member — this drives the outside-spending bar above
Lobbyinghow hard lobbyists push the committees this member sits on
3.3
/ 10
Revolving door (3 lobbyists) former staff now working as lobbyists
1.1
/ 3
Vote alignmenthow often they vote the way their donors want
8.3
/ 12
Contribution timingmoney arriving near key votes
0.4
/ 6
Stock tradesbuying stocks in industries they regulate
0.0
/ 1
Dark moneyfunding from groups that hide their donors
< 0.1
/ 2
Outbound money distributionmoney this member sends out to the party and to colleagues
11.9
/ 16
Cluster network breadthhow many coordinated funding networks back this member
2.4
/ 10
Committee jurisdiction powerthe legislative reach of the committees this member sits on
5.3
/ 10
Foreign interestforeign-interest money — Israel-policy PACs and FARA-registered institutional lobbying allocated by committee jurisdiction
1.9
/ 12
Israel-policy PACs behind this score
JSTREETPAC $3,250 direct
FARA institutional lobbying
This member’s committees are targeted by $18.79M in lobbying from FARA-registered firms representing South Korea, Japan, Saudi Arabia. This exposure is weighted at 0.2% of face value in the score — $38K.
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Score across four congresses
Score and tier for each Congress. Members are ranked against others in the same Congress, so tiers are comparable across rows. Raw scores reflect different data availability per Congress.
Congress Score Tier
116th · 2019-2021 50.5 Moderately exposed
117th · 2021-2023 47.7 Moderately exposed
118th · 2023-2025 45.9 Moderately exposed
119th · 2025-2027 45.4 Least exposed
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Biggest funding source
The single network behind the most money and influence
Total money from this network $24,000
Number of funding networks contributing 1
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Where most of the money comes from
What share of their combined contributions and outside spending comes from a single network. Party committees are excluded.
Share from this one network 4.3%
Amount from this network $25,000
Total from all networks $581,675
Networks contributing 108
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Who funds Castro
Every funding network we can measure, ranked by influence
score 45.4 · Least exposed · votes with them 86%
$287,323
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Does the money match their power?
Whether their money comes from the industries their committees actually oversee
Money from industries they regulate 3.4%
Extra weight when money matches their committees 2.00×
Share of outside spending tied to their policy areas 86.9%
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Money timed to key votes
Donations arriving near key votes in the policy areas this member regulates
Times money arrived near a vote 1
Money that arrived near votes $2K
Distinct donors 1
Distinct employers 1
Share of their total fundraising 0.35%
Biggest clusters of timed money
BOOZ ALLEN HAMILTON
20240329 · 1 contributions · Defense · 14d from vote (pre)
$2K
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Top Donors
Biggest sources of contributions, grouped by employer, this cycle
FEDERAL AVIATION ADMINISTRATION
57,946 contributions · cycle 2024
$6.43M
FEDERAL AVIATION ADMINISTRATION
62,044 contributions · cycle 2022
$6.33M
FEDERAL AVIATION ADMINISTRATION
26,773 contributions · cycle 2026
$3.02M
DELTA AIR LINES
16,999 contributions · cycle 2024
$2.01M
GOOGLE
13,307 contributions · cycle 2024
$1.44M
UNITED AIRLINES
20,503 contributions · cycle 2024
$1.30M
DELOITTE TOUCHE LLP
3,697 contributions · cycle 2022
$1.29M
GOOGLE
15,237 contributions · cycle 2022
$1.21M
USPS
51,247 contributions · cycle 2024
$1.19M
MICROSOFT
29,853 contributions · cycle 2024
$1.19M
VERIZON RSRCS
17,138 contributions · cycle 2024
$1.16M
T-MOBILE
18,112 contributions · cycle 2024
$1.02M
UNITED AIRLINES
18,460 contributions · cycle 2022
$1.02M
BLOOMBERG
2 contributions · cycle 2022
$1.00M
ASSET MANAGEMENT LLP
1 contributions · cycle 2022
$1.00M
USPS
47,021 contributions · cycle 2022
$966K
AT T SERVICES
11,085 contributions · cycle 2024
$885K
UNITED SERVICES AUTOMOBILE ASN
17,919 contributions · cycle 2022
$870K
DELOITTE CONSULTING LLP
2,369 contributions · cycle 2022
$713K
AKIN GUMP STRAUSS HAUER FELD LLP
834 contributions · cycle 2024
$626K
Where the outside money comes from
How much of the outside spending for and against Joaquin Castro comes from groups that disclose their donors versus groups that hide them
Total outside spending received $61
Disclosed outside spending $53
Dark-money outside spending $8
Share that is dark money 13.11%
Dark money tied to their policy areas $0
Groups hiding their donors 1
By funding network
LATINO VICTORY FUND
for them $5K · against them $0 · 1 transactions
$5K
UNITED WE DREAM ACTION PAC
for them $3K · against them $0 · 47 transactions
$3K
DEMOCRACY PAC
for them $313 · against them $0 · 8 transactions
$313
SIERRA CLUB INDEPENDENT ACTION
for them $40 · against them $0 · 4 transactions
$40
HUMAN RIGHTS CAMPAIGN EQUALITY VOTES PAC
for them $33 · against them $0 · 2 transactions
$33
Groups that hide their donors
1 smaller group under $500
tiny cost-allocation expenditures, not listed individually
$8
Likely donors behind the dark money supporting this member Inferred
Donors who fund the disclosed PACs in the same network as the hidden groups above. "Coverage" is how many of that network's disclosed groups a donor funds — the more they fund, the more likely they also back the hidden group.
NEVADANS FOR STEVEN HORSFORD
NV · 1 dark entity
coverage 21.0%
$80K
TITUS FOR CONGRESS
NV · 1 dark entity
coverage 21.0%
$80K
SUSIE LEE FOR CONGRESS
NV · 1 dark entity
coverage 21.0%
$79K
GEORGE SOROS
SOROS FUND MANAGEMENT · NY · 1 dark entity
coverage 14.0%
$525.74M
SMP
DC · 1 dark entity
coverage 14.0%
$81.00M
BLACKPAC
DC · 1 dark entity
coverage 14.0%
$47.25M
AB PAC
DC · 1 dark entity
coverage 14.0%
$25.50M
HMP
DC · 1 dark entity
coverage 14.0%
$15.00M
HOUSE MAJORITY PAC
DC · 1 dark entity
coverage 14.0%
$15.00M
CARE IN ACTION PAC
NY · 1 dark entity
coverage 14.0%
$6.60M
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Pro-Israel network donors
This counts contributions to this member from individuals whose FEC filings also show contributions to one of the 16 pro-Israel political action committees tracked by the Index. It is a measure of donor overlap — not a claim about why any individual gave, and not part of the influence score.

31 individuals who also gave to pro-Israel PACs contributed $114K to Joaquin Castro across 51 contributions.

Total from shared contributors $114K
Shared contributors 31
Contributions 51
By cycle
Cycle Shared donors Gifts Total
2022 19 24 $20K
2024 14 24 $88K
2026 3 3 $6K
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Revolving Door
1 former staff member who worked for Joaquin Castro or the committees they serve are now registered lobbyists.
Lobbyist Former position Firm Clients Filings Years
SANDRA ALCALA Chief of Staff - Rep. Filemon Vela; Member Services Director - H. Democratic Cau… AVOQ, LLC 9 9 2023–2025
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Joaquin Castro ranks among the least exposed members of this Congress relative to their colleagues. Money may flow, but the votes do not track the top funding networks. Least exposed is a relative position, not a finding of no exposure.

Data: FEC (Federal Election Commission) filings · 118th–119th Congress · lobbying disclosures · VoteView recorded votes
All findings derived programmatically from public records · No prior knowledge required