How County Business Patterns reveals local business density

If the American Community Survey (ACS) tells us who lives in a neighborhood, the County Business Patterns (CBP) tells us who works there.

Managed by the U.S. Census Bureau, the CBP is the industry standard for measuring the "economic anatomy" of a county or ZIP code. At Place Signals, we use this data to help you identify Industry Clusters and avoid Market Saturation.

Here is how we use CBP data to reveal local business density.

What is the CBP?

The CBP tracks the number of physical business establishments, their total employment, and their annual payroll, categorized by industry using NAICS codes.

• NAICS Code Example: If you are looking for "Software Publishers," you look for NAICS 5112.
• Freshness Note: The Census Bureau typically releases finalized CBP data with a 12-to-18-month lag. In 2026, we utilize the 2023 CBP (released mid-2025) as our high-resolution baseline, layered with 2026 projections from the Business Trends and Outlook Survey (BTOS).

Case Study: Tech Hub Saturation (NAICS 5112)

When evaluating where to scale a software firm, high density is a double-edged sword. It suggests a deep talent pool, but it also signals "Critical Saturation" for office space and talent costs.

Let's look at three major tech corridors using our 2026 CBP-anchored logic.

| Metro Corridor | Software Establishments | Relative Density | 2026 Saturation Level | | :--- | :---: | :---: | :--- | | Boulder, CO | ~280 | Extreme | Critical (Front Range spillage) | | Raleigh, NC | ~480 | High | Moderate-High (Talent friction) | | Salt Lake City, UT | ~410 | High | Moderate (Preferred escape hatch) |

The Insight:

• Boulder remains the national outlier for density per capita. However, by 2026, it is effectively "built out," with growth now spilling into Longmont and Denver.
• Salt Lake City (Silicon Slopes) offers the most "headroom." It has seen the most rapid establishment growth over the last 5 years, as firms flee high West Coast overhead.
• Raleigh (The Research Triangle) boasts the highest total count, supported by a massive Tier 1 university pipeline, yet faces rising "talent friction" from giants like Apple and Google.

How Place Signals Uses CBP Data

In our Market Opportunity Dashboard, we use CBP data to calculate the Industry Concentration Index (ICI).

1. Count the Neighbors: We identify how many direct competitors (same NAICS code) are within your target ZIP code or ZCTA. 2. Calculate the Per-Capita Ratio: We cross-reference the business count with the ACS population data to see if a market is underserved. 3. Identify the Anchor Effect: We look for "Anchor Establishments" (large employers) that drive secondary demand for services and retail in the surrounding Census Tracts.

The Analyst's Warning: Suppression

To protect the privacy of individual businesses, the Census Bureau sometimes "suppresses" employment data if a county has only one or two large firms in a specific industry. In these cases, Place Signals uses Establishment Counts as a more reliable proxy for density than total employee numbers.

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Sources and data notes

• U.S. Census Bureau, County Business Patterns (2023 Reference Year).
• Business Trends and Outlook Survey (BTOS), June 2026 Update.
• North Carolina Corporate Tax Data, 2026 (Lowest in U.S. at 2.25%).