NAICS 561320, 561311

Staffing & Employment Agencies in National City, CA

The 1 ZIP codes assigned to National City contained 9 Staffing establishments in 2023, of which 4 employed 10 or more people.

Establishments (2023)
9
1 ZIP codes
10 or more employees
4
Practical financing floor
Share of county
2%
San Diego County
City population
57,807
2025 estimate

Figures cover the ZIP codes the U.S. Postal Service assigns to National City (91950). ZIP areas are not municipal boundaries: they can extend beyond city limits and are shared between neighbouring places. This is a count of establishments in National City's ZIP codes, not a count of businesses inside its city limits.

Establishments by size

Employee-count distribution. For most buyers the businesses worth pursuing sit in the 5 to 49 range: large enough to have a manager and real systems, small enough to be owner-operated.

EmployeesEstablishmentsShareDistribution
20-49444.4%

How this market compares

National City against every other city in California on the same measure. City figures cover the ZIP codes assigned to the place rather than its municipal boundary, so they are compared as a share of the businesses in those same ZIP codes rather than per resident. Cities with fewer than 500 businesses in total are left unranked.

Densely served0.65% of local businesses, against 0.35% statewide

This industry takes up a far larger slice of the local business base than it does statewide. A crowded market: expect established competitors and price pressure, but also a deeper pool of businesses to buy.

Vs state share
+86%
Share of local businesses
Rank by count
#88
of 199 cities
Rank by share
#32
of 193 ranked
Since 2021
+200%
Change in establishments

This compares how much of National City’s business base is staffing & employment agencies, against the California figure. Base: 1,379 establishments across all industries in the same ZIP codes, 2023. It does not measure revenue, profitability or whether a market is worth entering.

Business size mix

National City is more consolidated than California as a whole: fewer micro-operators and a larger share of businesses with real headcount. Fewer targets, but the ones that exist are more likely to be financeable.

Share of establishmentsNational CityCaliforniaDifference
Under 5 employeesOwner-operated, often no management layer0.0%30.1%-30.1%
5 to 49 employeesThe range most individual buyers target44.4%11.6%+32.9%
10 or more employeesPractical floor for acquisition financing44.4%20.2%+24.2%

Nearest comparable markets

The closest places to National City that also have Staffing establishments on record. Useful for spotting a gap next door, or realising the market you are looking at is already served from the town over.

MarketEstablishmentsVs state share
Chula Vista11-36%
Lemon Grove3+60%
La Mesa4-50%
San Diego199+35%
Solana Beach3-17%

The wider San Diego County market

Employment and payroll are reported at county level only, so the figures below describe the county National City sits in.

County establishments (2023)
415
San Diego County
County employees
19,817
Mid-March employment
County annual payroll
$1.0B
All establishments
Full Staffing data for San Diego County

What acquirers look at

Working capital intensive: payroll funds before clients pay. Highly cyclical, and light-industrial staffing carries meaningful workers’ compensation exposure.

Other industries in National City

Nearby cities

Sources

  1. U.S. Census Bureau, 2023 ZIP Code Business Patterns. Establishment counts and size distribution by ZIP code and NAICS, aggregated over the ZIP codes assigned to each city. Retrieved 2026-09-08.
  2. U.S. Census Bureau, 2023 County Business Patterns. Establishment counts, employment and annual payroll by NAICS. Retrieved 2026-09-08.
  3. U.S. Bureau of Labor Statistics, Quarterly Census of Employment and Wages (2026Q1). Quarterly establishment counts and employment for employers covered by unemployment insurance. Retrieved 2026-09-08.