When will the power be back in Duncanville, TX?

Duncanville is a city of about 39,203 residents in Dallas County.

Oncor has reported outages for Duncanville by name on its own public outage map (most recently observed 2026-09-18) — so when Duncanville is affected, this page can show the city's own customers-out count and restoration time rather than only the county-wide total.

ZIP codes in Duncanville:

• 75116
• 75137
• 75138

Checking a ZIP goes straight to the address-level view for that area.

Around Duncanville: the closest other places we track are DeSoto, about 4 miles to the southeast; Cedar Hill, about 5 miles to the southwest; Grand Prairie, about 7 miles to the west; and Glenn Heights, about 7 miles to the southeast. Also nearby: Lancaster (9 mi SE), Red Oak (12 mi SE), Arlington (13 mi W), Midlothian (13 mi S), Mansfield (13 mi SW), Dallas (13 mi NE), Irving (15 mi N) and University Park (16 mi NE).

Looking further out, the nearest place we track is: north toward Farmers Branch (20 mi); northeast toward Garland (25 mi); east toward Balch Springs (18 mi); southeast toward Ennis (28 mi); south toward Waxahachie (17 mi); southwest toward Cleburne (35 mi); west toward Kennedale (18 mi); and northwest toward Euless (17 mi).

Duncanville's last tracked outage began Oct 1, peaked at 594 customers out, and was restored in 9 hours. Across the 6 outages tracked here, the typical (median) restoration ran 4 hours.

• Oct 1 — 594 customers out, restored in 9 hours
• Sep 28 — 33 customers out, restored in 2 hours
• Sep 24 — 54 customers out, restored in 4 hours
• Sep 20 — 195 customers out, restored in 3 hours