Records analyzed
11 sub-agencies
Cross-joined with state geography and occupational mix
Open-data reference.
Federal workforce data for DEPARTMENT OF TRANSPORTATION. This agency represents 2.5% of the total federal civilian workforce. Source: OPM FedScope, March 2025.
DEPARTMENT OF TRANSPORTATION employs 57,204 federal civilian workers, which accounts for 2.5% of the total federal civilian workforce of 2,289,472 reported in the OPM FedScope March 2025 release. Compared to the prior period, headcount moved up by 0.3%, a signal that hiring authorities and attrition at this agency are adding net positions during the current reporting window.
On compensation, the average salary of $141,857 sits 29.1% above the federal civilian average of $109,869. Average length of service at DEPARTMENT OF TRANSPORTATION is 14.3 years, reflecting a workforce that has built institutional knowledge across 11 sub-agencies. For applicants comparing federal employers, this pay premium (or gap) combined with tenure patterns helps explain why some agencies retain staff through full careers while others cycle more rapidly through early-career hires.
Geographic reach is another signal of scale: DEPARTMENT OF TRANSPORTATION has employees in 51 states and territories, with the largest concentration in DISTRICT OF COLUMBIA (7,862 employees at $155,859 avg salary). Over the most recent 12 months of workforce-dynamics data, the agency recorded 0 accessions against 0 separations for a net change of 0 positions — useful context for job seekers evaluating whether DEPARTMENT OF TRANSPORTATION is expanding, contracting, or simply replacing departures. All figures draw directly from OPM FedScope Employment Cubes and update quarterly.
Employees
57,204
+0.3% from prior period
Average Salary
$141,857
+1.8%
Avg Length of Service
14.3 yrs
Sub-agencies
11
Records analyzed
11 sub-agencies
Cross-joined with state geography and occupational mix
Data vintage
March 2025
OPM FedScope quarterly snapshot
Source authority
OPM FedScope
U.S. Office of Personnel Management — official federal HR data
Agency average $141,857 relative to federal average $109,869
Estimated distribution of 57,204 employees across the General Schedule pay grades. Tier weights are modeled from the agency's average salary of $141,857, average length of service of 14.3 years, and sub-agency salary brackets. Color encodes pay-band tier (entry / mid / senior / executive).
How DEPARTMENT OF TRANSPORTATION pay compares to the federal average of $109,869
Agency Average
$141,857
Federal Average
$109,869
vs. Federal Avg
+29.1%
Under $80K
0
$80K–$100K
125
$100K–$120K
1,260
$120K–$150K
55,819
Over $150K
0
DEPARTMENT OF TRANSPORTATION has 11 sub-agencies. The highest-paying unit averages $148,820.
| Sub-agency | Employees | Avg Salary | Avg LOS |
|---|---|---|---|
| FEDERAL AVIATION ADMINISTRATION | 46,335 | $143,501 | 14.5 yrs |
| FEDERAL HIGHWAY ADMINISTRATION | 2,967 | $130,867 | 14.1 yrs |
| OFFICE OF THE SECRETARY OF TRANSPORTATION | 1,916 | $143,987 | 13 yrs |
| FEDERAL MOTOR CARRIER SAFETY ADMINISTRATION | 1,260 | $117,924 | 14 yrs |
| FEDERAL RAILROAD ADMINISTRATION | 1,193 | $133,166 | 11.6 yrs |
| MARITIME ADMINISTRATION | 814 | $130,139 | 14.3 yrs |
| NATIONAL HIGHWAY TRAFFIC SAFETY ADMINISTRATION | 784 | $148,820 | 12.6 yrs |
| FEDERAL TRANSIT ADMINISTRATION | 767 | $145,540 | 12.6 yrs |
| PIPELINE AND HAZARDOUS MATERIALS SAFETY ADMINISTRATION | 652 | $139,404 | 12.2 yrs |
| OFFICE OF INSPECTOR GENERAL | 391 | $146,338 | 16.5 yrs |
| GREAT LAKES SAINT LAWRENCE SEAWAY DEVELOPMENT CORPORATION | 125 | $93,495 | 11.8 yrs |
DEPARTMENT OF TRANSPORTATION has employees in 51 states and territories. DISTRICT OF COLUMBIA has the most with 7,862 employees.
| State | Employees | Avg Salary | Avg LOS |
|---|---|---|---|
| DISTRICT OF COLUMBIA | 7,862 | $155,859 | 14.4 yrs |
| TEXAS | 4,777 | $142,670 | 15.2 yrs |
| CALIFORNIA | 3,892 | $152,704 | 14.2 yrs |
| OKLAHOMA | 3,470 | $119,048 | 15.4 yrs |
| FLORIDA | 2,951 | $141,813 | 14.6 yrs |
| GEORGIA | 2,755 | $145,816 | 15.9 yrs |
| NEW YORK | 2,432 | $144,327 | 13.6 yrs |
| WASHINGTON | 2,284 | $143,553 | 14.5 yrs |
| VIRGINIA | 2,208 | $157,757 | 14.6 yrs |
| ILLINOIS | 1,988 | $147,601 | 13.8 yrs |
| NEW JERSEY | 1,799 | $152,993 | 15.8 yrs |
| COLORADO | 1,513 | $146,599 | 13.7 yrs |
| OHIO | 1,201 | $141,643 | 13.2 yrs |
| ALASKA | 1,147 | $132,242 | 12.4 yrs |
| MASSACHUSETTS | 1,032 | $141,174 | 14.9 yrs |
| TENNESSEE | 1,012 | $135,154 | 13.3 yrs |
| MINNESOTA | 945 | $151,042 | 13.2 yrs |
| PENNSYLVANIA | 910 | $137,992 | 13.9 yrs |
| INDIANA | 891 | $138,110 | 13.4 yrs |
| MISSOURI | 798 | $123,154 | 14.6 yrs |
Showing top 20 of 51 states
Monthly hiring and separation trends. Net change over 12 months: 0.
| Month | Accessions | Separations | Net |
|---|---|---|---|
| Mar 2025 | +255 | -461 | -206 |
| Feb 2025 | +270 | -256 | +14 |
| Jan 2025 | +472 | -362 | +110 |
| Dec 2024 | +469 | -574 | -105 |
| Nov 2024 | +325 | -260 | +65 |
| Oct 2024 | +361 | -204 | +157 |
| Sep 2024 | +443 | -203 | +240 |
| Aug 2024 | +457 | -348 | +109 |
| Jul 2024 | +468 | -250 | +218 |
| Jun 2024 | +878 | -326 | +552 |
| May 2024 | +369 | -256 | +113 |
| Apr 2024 | +357 | -185 | +172 |
Why employees join and leave DEPARTMENT OF TRANSPORTATION
New Hire - Excepted Service Appointment
4,530
New Hire - Competitive Service Appointment
594
Retirement - Voluntary
1,721
Quit
835
Termination (Expired Appt/Other)
728
Other Separation
197
Transfer Out - Individual Transfer
174
Average length of service is 14.3 years. Employees in sub-agencies grouped by average tenure.
Under 5 yrs
0
5–10 yrs
0
10–15 yrs
56,813
15–20 yrs
391
Over 20 yrs
0
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Learn more about working for the federal government
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Data Source: U.S. Office of Personnel Management (OPM) FedScope Employment Cubes, March 2025. Federal civilian non-seasonal full-time and part-time employees. Data does not include military personnel, postal workers, or intelligence agency staff. Last updated: 2026-03-10.
Disclaimer: This information is provided for informational purposes only and does not constitute professional advice. Data is sourced from OPM FedScope. Consult a qualified professional before making decisions based on this data.
Read our methodology — how this data is sourced, computed, and verified.