LAMB, MARK
R Β· senate
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- FEC candidate id
S4AZ00188- Internal id
70c52fab-ae4f-447e-9f77-d3a994fa7e7e- Status
- open seat
Who this candidate represents (statewide)
Who lives here β American Community Survey 5-year estimates (2024), Arizona. Source.
| Category | Metric | Value |
|---|---|---|
| People | Population | 7,378,838 |
| People | Median age | 39 |
| Income | Median household income | $79,964 |
| Income | Per-capita income | $42,503 |
| Income | In poverty | 12.5% |
| Income | Unemployed | 5.1% |
| Income | Gini inequality index | 0.464 |
| Race | White alone | 59.0% |
| Race | Black alone | 4.6% |
| Race | Asian alone | 3.6% |
| Race | Hispanic or Latino | 31.4% |
| Race | Two or more races | 19.5% |
| Origin | Foreign-born | 13.0% |
| Language | Speaks English only at home | 74.3% |
| Language | Speaks Spanish at home | 19.3% |
| Education | High school or higher | 56.8% |
| Education | Bachelor's or higher | 33.3% |
| Education | Advanced degree | 13.0% |
| Household | Family households | 64.3% |
| Household | Avg household size | 2.53 |
| Household | Never married (15+) | 34.1% |
| Housing | Median home value | $394,500 |
| Housing | Median gross rent | $1,543 |
| Housing | Single-family detached | 64.2% |
| Housing | Built before 1940 | 1.5% |
| Housing | Overcrowded (>1 per room) | 4.3% |
| Housing | Vacant units | 10.6% |
| Service | Veterans (18+) | 7.9% |
| Health | With a disability | 13.8% |
| Connectivity | Households with broadband | 91.5% |
| Connectivity | Households with no internet | 6.0% |
| Commute | Drove alone | 66.8% |
| Commute | Public transit | 1.1% |
| Commute | Worked from home | 18.4% |
Cycle financials
Source: FEC weball bulk file (cycle summary). Numbers in USD; 0 = no activity reported.
| Cycle | Raised | Spent | Cash on hand | Debts | Indiv. contribs. |
|---|---|---|---|---|---|
| 2026 | $0 | $3,483 | $13,141 | $47,401 | $0 |
| 2024 | $2,189,532 | $2,172,908 | $16,624 | $47,401 | $2,176,038 |
Elections
- 2024 general senate Β· AZ-S β lost_general
- 2024 general senate Β· AZ-S β running
- 2024 general senate Β· AZ-S β running
- 2024 general senate Β· AZ-S β lost_general
- 2024 general senate Β· AZ-S β lost_general
- 2024 general senate Β· AZ-S β lost_general
- 2024 general senate Β· AZ-S β running
- 2024 general senate Β· AZ-S β lost_general
- 2024 general senate Β· AZ-S β lost_general
Committees
- MARK LAMB FOR SENATE β principal Β· type S
Election prediction
Cycle 2026 Β· model baseline-v1 Β· base rate 15.1%
P(win) = 18.1%
| Feature | Ξ P(win) |
|---|---|
| Base rate (historical) | 15.1% |
| R (major party) | +10.0% |
| open seat | -5.0% |
| senate race | -2.0% |
Baseline model (incumbency Γ party Γ office). Calibration: backtest Brier score is the reference, see npm run db:ingest -- --source=predict-backtest-election. Future model versions must beat baseline Brier on the same held-out cohort or they don't ship.
Independent expenditures
Money spent by super PACs and other non-connected committees for or against this candidate. Source: FEC Schedule E (independent_expenditure CSV bulk).
| Cycle | Support | Oppose | IEs |
|---|---|---|---|
| 2024 | $571,270 | $0 | 6 |
Recent (latest 25)
| Date | Spender | For / against | Amount | Purpose |
|---|---|---|---|---|
| 2024-07-23 | AMERICAN ENCORE | support | $100,000 | Media |
| 2024-07-19 | AMERICAN ENCORE | support | $75,000 | Digital Media |
| 2024-07-19 | AMERICAN ENCORE | support | $150,000 | Media |
| 2024-07-19 | AMERICAN ENCORE | support | $75,000 | Digital Media |
| 2024-07-19 | AMERICAN ENCORE | support | $150,000 | Media |
| 2024-07-16 | SECURE ARIZONA'S FUTURE | support | $21,270 | Media |
Transfers from committees
Direct contributions from PACs and party committees. Source: FEC pas2 bulk (committee-to-candidate transactions).
| Date | From committee | Type | Amount |
|---|---|---|---|
| 2025-12-05 | AMERICAN PRINCIPLES | 24K | $1,000 |
Connected on the graph
Inbound (7)
| date | from | type | amount | role | source |
|---|---|---|---|---|---|
| 2025-12-05 | COMMITTEE FOR AMERICAN PRINCIPLES | contributed_to | $1,000 | pas2 | |
| 2024-07-23 | AMERICAN ENCORE | supports_independently | $100,000 | fec_ies | |
| 2024-07-19 | AMERICAN ENCORE | supports_independently | $75,000 | fec_ies | |
| 2024-07-19 | AMERICAN ENCORE | supports_independently | $75,000 | fec_ies | |
| 2024-07-19 | AMERICAN ENCORE | supports_independently | $150,000 | fec_ies | |
| 2024-07-19 | AMERICAN ENCORE | supports_independently | $150,000 | fec_ies | |
| 2024-07-16 | SECURE ARIZONA'S FUTURE | supports_independently | $21,270 | fec_ies |
Outbound (1)
| date | type | to | amount | role | source |
|---|---|---|---|---|---|
| β | principal_candidate_of | MARK LAMB FOR SENATE | β | candidate_committees |