Country-wide source · United States
Black Label Operator / Local area guide
Contra Costa
Give Claude or Codex a coding task in a separate workspace, then review the returned files and execution record.
Coding
Coding
Language · English
Area facts
| Reference point | Contra Costa County |
|---|---|
| Administrative areas | United States · California · Contra Costa |
| Local time | America/Los_Angeles |
| Record updated | Apr 25, 2018 |
GeoNames #5339268 · OpenStreetMap
Local names
Contra Costa County · Comte de Contra Costa · Comté de Contra Costa · Condado de Contra Costa · Condado han Contra Costa · Contea di Contra Costa · Contra Costa · Contra Costa Comitatus · Contra Costa Kun · Contra Costa Kūn · Contra Costa konderria · Contra Costa megye · Contra Costan piirikunta · Hrabstwo Contra Costa · Kantono Contra Costa · Kontra Kosta · Kontra-Kosta · Okrug Kontra Kosta · Quan Contra Costa · Quận Contra Costa · kang te la ke si ta xian · kontorakosuta jun · kontra kosta ka'unti · mqatʿt kwntra kwsta · shhrstan kntra kwsta kalyfrnya · Контра Коста · Контра-Коста · Округ Контра Коста · Քոնտրա Քոստա շրջան · شهرستان کنترا کوستا، کالیفرنیا · مقاطعة كونترا كوستا · کونٹرا کوسٹا کاؤنٹی · کونٹرا کوسٹا کاؤنٹی، کیلیفورنیا · কোন্ট্রা কোস্টা কাউন্টি · コントラコスタ郡 · 康特拉科斯塔县 · 康特拉科斯塔縣
Contra Costa
Research this area
Start with the source responsible for this place.
Country-wide source · United States
population statistics
Suggested searches
Country-wide source · United States
population statistics
United States Department of Agriculture, Economic Research Service ↗
Suggested searches
Country-wide source · United States
open government data
Suggested searches
Source websites contain the records; availability and access depend on the provider.
Source directory · UN Statistics Division ↗Country context · United States
Population341,784,857Year 2025 · World Bank
People using the internet94.7%Year 2024 · World Bank
Urban population80.2%Year 2025 · World Bank
Nearby public map features
Reference point · 500 m · OpenStreetMap
Areas in this jurisdiction
Records in this source · GeoNames · 2026-09-17