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J·BJon BishopIndependent growth marketer

Market sizing · Official survey and economic statistics

U.S. Census Bureau Data API

Size a geography-aware audience using population, household or business characteristics; compare published vintages.

Price
Free
Access
Public API

Put it to work

Potential use cases

A starting use for this source

Size a geography-aware audience using population, household or business characteristics; compare published vintages.

Bound a market-size estimate

Use an appropriate industry, location or business-size segment to estimate the surrounding market. Add your product-specific eligibility assumptions separately so the population count is not mistaken for your addressable buyer count.

What it covers

Geography and granularity

Geography: United States, states, counties, places and other statistical geographies where supported

Granularity: Dataset and vintage-specific demographic, household and business tables

Source type: Official survey and economic statistics

Access and cost

Public API

Many datasets are open without a key; some use cases and higher request allowances require a key. Check dataset-specific guidance.

Cost: No charge stated for public API access.

Update cadence: Varies by survey and program; every table has its own reference period and release schedule.

Before you use it

Limits that matter

A geographic count is not a count of reachable buyers. Survey margins of error, category definitions, vintages and suppressed cells matter.

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