How many employees work at County of San Mateo?
County of San Mateo (California) has approximately 4,031 total employees worldwide as of March 2026, according to Revelio Labs workforce intelligence data. County of San Mateo’s total headcount has grown 5.2% from 3,832 employees in 2023 to 4,031 in 2026.
Is County of San Mateo hiring right now?
Yes, County of San Mateo is actively hiring. County of San Mateo had 291 active job postings in 2026, a 39.5% increase from 2025 — see job openings & hiring trends.
About County of San Mateo’s Workforce
County of San Mateo (California) is a Public Sector Management company that employs 4,031 people worldwide as of March 2026. It is the 7th-largest by headcount among its peers. Founded in 1856, the company is headquartered in Redwood City, California.
County of San Mateo's workforce has grown 5.2% from 2023 to 2026, though it is down 0.6% year over year in 2026. It fell to a low of 3,818 in 2023 Q3 before recovering. Its workforce is concentrated most in North America (99.2%), followed by Southeast Asia (0.2%) and South America (0.2%).
County of San Mateo's functional groups are Finance and Operations (54.0%), Engineering (26.0%), and Sales and Marketing (20.0%), with Engineering growing fastest (up 0.9%). The average salary is $120,820, ranging from a median of $111,000 in North America to $10,000 in Southeast Asia.
County of San Mateo's active job postings rose 39.5% in 2026 to 291, with new postings per month cooling from 197 in 2023 to 165 in 2026. Overall employee sentiment is negative and declining.
Sourced from Revelio Labs workforce data.
- Headquarters
- Redwood City, California
- Founded
- 1856
- Industry
- Public Sector Management
- Employees
- 4,031
- YoY
- -0.6% (+79)
As of March 2026
County of San Mateo workforce metrics
Unlock hiring rate, attrition rate, and 12 additional workforce metrics for County of San Mateo. Compare to peers, export the dataset, and access the full quarterly history.
Unlock MetricsCounty of San Mateo Annual Employee Count (2023-2026)
- County of San Mateo had 4,031 employees in 2026, a 0.6% decline (+79) from 2025.
- County of San Mateo had 4,014 employees in 2025, a 0.7% decline (+75) from 2024.
- County of San Mateo had 3,939 employees in 2024, a 0% no change (+85) from 2023.
- County of San Mateo had 3,854 employees in 2023, a 0.3% increase (+74) from 2022.
County of San Mateo's total workforce has grown from 3,832 employees in 2023 to 4,031 in 2026.
County of San Mateo (California) quarterly employee count
| Year | Qtr | Employees | YoY Change | YoY % |
|---|---|---|---|---|
| 2026 | Q1 | 4,031 | +79 | -0.6% |
| 2025 | Q4 | 4,014 | +75 | -0.7% |
| 2025 | Q3 | 3,997 | +73 | -0.5% |
| 2025 | Q2 | 3,993 | +55 | -0.2% |
| 2025 | Q1 | 3,952 | +63 | -0.2% |
| 2024 | Q4 | 3,939 | +85 | +0.0% |
| 2024 | Q3 | 3,924 | +106 | +0.5% |
| 2024 | Q2 | 3,938 | +106 | +0.3% |
| 2024 | Q1 | 3,889 | +97 | +0.2% |
| 2023 | Q4 | 3,854 | +74 | +0.3% |
| 2023 | Q3 | 3,818 | +39 | -0.4% |
| 2023 | Q2 | 3,832 | +57 | +0.3% |
See County of San Mateo's complete headcount history, including quarterly breakdowns.
Get the DataCounty of San Mateo Employee Count by Region (2026)
North America accounts for the largest share of County of San Mateo's global workforce with approximately 99% of total employees, followed by Southeast Asia and South America.
County of San Mateo employees by region
| Region | Employees | % of Total |
|---|---|---|
| North America | 3,942 | 99.2% |
| Southeast Asia | 8 | 0.2% |
| South America | 6 | 0.2% |
| Southern Europe | 5 | 0.1% |
| Sub-Saharan Africa | 4 | 0.1% |
| Central America and the Caribbean | 4 | 0.1% |
| Eastern Europe | 2 | 0.1% |
| Pacific Islands | 1 | 0.0% |
| Western Europe | 1 | 0.0% |
Drill into city-level data, hiring trends by region, and historic geographic shifts.
Unlock Geographic DataCounty of San Mateo Employee Count by Department (2026)
County of San Mateo's employee groups are Finance and Operations (54.0%), Engineering (26.0%), and Sales and Marketing (20.0%).
County of San Mateo employees by department
| Department | Employees | % of Total |
|---|---|---|
| Finance and Operations | 2,124 | 54.0% |
| Engineering | 1,024 | 26.0% |
| Sales and Marketing | 785 | 20.0% |
Compare County of San Mateo's department mix to industry peers.
See Full DataCounty of San Mateo Employee Salary by Region (2026)
County of San Mateo's average employee salary is $120,820 globally. Employees in North America receive the highest compensation. Pay is lowest in Southeast Asia, at a median of $10,000.
County of San Mateo median employee salary by region (USD)
| Region | Median Salary |
|---|---|
| North America | $111,000 |
| Southern Europe | $67,000 |
| South America | $23,000 |
| Central America and the Caribbean | $22,000 |
| Southeast Asia | $10,000 |
Unlock salary by role, level, and city — and compare to County of San Mateo's industry peers.
Unlock Salary DataCounty of San Mateo Job Openings and Hiring Trends (2023-2026)
- County of San Mateo had 291 active job postings in 2026, a 39.5% increase (+42) from 2025.
- County of San Mateo had 249 active job postings in 2025, a 24.8% increase (+55) from 2024.
- County of San Mateo had 194 active job postings in 2024, a 14.4% decline (-30) from 2023.
- County of San Mateo had 224 active job postings in 2023, a 9.0% decline from 2022.
- Hiring velocity in 2026: 165 new roles/month, up from 164 in 2025 and 191 in 2024.
County of San Mateo's active job postings rose 39.5% in 2026 to 291, with new postings per month cooling from 197 in 2023 to 165 in 2026.
Track new postings per month, role-level demand, and hiring velocity vs. peers.
Unlock Hiring DataCounty of San Mateo Employee Sentiment (2026)
Revelio Labs tracks employee sentiment across County of San Mateo's workforce based on public professional data. Overall sentiment is negative and has declined year over year in 2026.
Overall
Unlock the full sentiment breakdown by department, tenure, and trend over time.
Unlock SentimentSimilar Companies
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Frequently Asked Questions About County of San Mateo
- How fast is County of San Mateo growing?
- In 2026, County of San Mateo's headcount shrank 0.6% to 4,031 employees, up from 3,952 in 2025.
- See the full headcount history
- Where are County of San Mateo employees located?
- Most County of San Mateo employees are based in North America (99.2% of headcount), followed by Southeast Asia and South America.
- Explore where the workforce is based
- What is the average salary at County of San Mateo?
- The average employee salary at County of San Mateo is approximately $120.8k per year.
- Analyze the salary distribution
- How many new job postings does County of San Mateo open per year?
- In Q1 2026, County of San Mateo opened 495 new job postings. In 2025, County of San Mateo opened 1,967 new job postings — about 164 per month.
- Track hiring trends by role
- When was County of San Mateo founded and where is it headquartered?
- County of San Mateo was founded in 1856 and is headquartered in Redwood City, California.
- Compare County of San Mateo to industry peers
Speak with a workforce expert about County of San Mateo.
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