UPDATE: With 100 percent of Harris County precincts reporting, President Obama extended his lead over Gov. Mitt Romney to 585 votes. Obama won 49.38 percent of the Harris County vote to Romney's 49.33 percent. The final tally is on the Harris County Clerk's Election Division web page.
Massachusetts Gov. Mitt Romney won the state of Texas going away, but in Harris County, the presidential race was considerably closer.
With 99.15 percent of the vote tallied, President Obama defeated Romney in the state's largest county by a scant two votes. Both candidates garnered 49.36 percent of the vote.
Obama won 579,070 votes to Romney's 579,068.
Statewide, Romney took 4.47 million votes (57.3 percent) to Obama's 3.22 million (41.3 percent), with 95 percent of the vote counted.
Newly elected U.S. Sen. Ted Cruz also won a razor-thin margin in Harris County, with 575,458 votes (49.60 percent) to Democrat Paul Sadler's 557,072 (48.02 percent).
Statewide, Cruz won 4.3 million votes (56.5 percent) while Sadler took 3.1 million (40.6 percent.)
Straight ticket voting was the norm, with nearly half of all Democrats and Republicans in Harris County picking candidates of their respective party (49.76 percent voted a straight Democratic ticket and 49.44 percent chose a straight Republican ticket).