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Places/IL/St. Clair
County profile

St. Clair

United States · GDP 2024
#311 of 3,127 US counties by GDP30th-percentile growthmore diversified than 86% of counties
EA Place Score
——
methodology in progress
GDP 2024 (USD)
$16.1B
GDP growth
+2.1%
Jobs tracked
72,871
Employers
4,973
Avg. wage
$55.0k
Population
250,708
Labor & formation
Unemployment
4.3%
Median HH income
$73.9k±$2.0k
Business applications
3,432 · 2025

Public companies headquartered here

SEC EDGAR · FMP
CompanySectorRevenueEA

No public companies loaded for this state yet — universe expands with the full ingest.

HQ-based placement with total (global) headcount — local employment attribution needs firmographic data; the industry mix at right is measured county data (CBP).

Industry mix · employment
Health care27%
Retail trade24%
Food & accommodation20%
Manufacturing11%
Transportation10%
Professional services8%
share of top-6 sector employment · CBP 2023
Population & migration
Census PEP · 2020–2025
250,708
residents · 2025 · -2.5% since 2020
Income per capita $61.7k · BEA 2024
COMPONENTS OF CHANGE · 2021–2025
Domestic migration−6,029
International migration+1,462
Natural change−1,791

GDP trend

2019–2024 · nominal
$12.4B
2019
$12.0B
2020
$13.7B
2021
$15.0B
2022
$15.8B
2023
$16.1B
2024

Real estate & risk

FHFA · ACS · FEMA
Median home value
$180.3k±$5.1k
Median gross rent
$1.1k/mo±$22/mo
Vacancy rate
12.8%±0.9%
Affordability
3.3× wages
Residential permits
463 (1.8/1k pop)
FEMA risk score
94.9
HUD Fair Market Rent (2BR):$1.2k/mo · 2026
TOP PERILS · FEMA NRI
Heat wave 98Earthquake 98Hail 98
FHFA HOUSE PRICE INDEX · 2016–2025
247
2016
256
2017
260
2018
268
2019
273
2020
298
2021
338
2022
370
2023
393
2024
414
2025

Transport access

BTS · FAA · USACE
Nearest interstate
11.7 km
I-64
Nearest freight rail
0.6 km
CN
Nearest port
21.8 km
Kaskaskia Regional Port District, Dock No. 1.
Nearest commercial airport
11.6 km
SCOTT AFB/MIDAMERICA ST LOUIS
Waterborne tonnage, host port(s) (CY2022):6,704,741 short tons/yr · Southwest Regional Port, IL
Wage trend
BLS QCEW · 2019–2023
$55.0k
avg. annual pay · +23% since 2019
Similar US counties
nearest by GDP
Webb$16.1BLower Connecticut River Valley$16.1BMartin$16.2BPinal$16.3BForsyth$16.3BMcHenry$16.0B
The read

St. Clair's economy produced $16.1B in 2024, growing 2.1% year over year — slower than 70% of US counties. Its largest employment sector is health care.

GDP: BEA (2024), USD-normalized · Jobs/employers/wages & industry mix: Census CBP (2023) · Population & migration: Census PEP · Income: BEA CAINC1 · Companies: SEC EDGAR + FMP, by HQ.
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