Arizona State is first.

tied with U of Phoenix-Phoenix Campus.

Incidentally, all 3 are in Arizona.

outdid U of Phoenix-Online Campus, U of Advancing Technology, Collins College, and LIM College, and 3,115 others, ending with Conway School of Landscape Design.

1. Student density refers to the total number of yearly for-credit students within a 5-mile radius, using enrollment data from the 12-month Unduplicated Head Count Data File, 2011-12 (Provisional release) and latitude/longitude data from the IPEDS Directory, 2012-13 (Provisional release) by the National Center for Education Statistics (http://nces.ed.gov/ipeds).
   

ITT Technical Institute-Tempe is in Tempe, AZ, is private and for-profit, degree-granting, its top major is computer and information systems security/information assurance, is on the quarter system, its top Associates major is computer systems networking and telecommunications, and enrolls fewer than 1,000 students.

• average full-time teaching salary ($52,280)
• in-state undergrad tuition & fees ($18,048)
• out-of-state undergrad tuition & fees ($18,048)
• average undergrad student loan ($8,353)
• average grant aid to undergrads ($3,835)
• endowment per full-time student ($0)
• in-state freshmen (100%)
• undergrads who get financial aid (89%)
• undergrads who receive student loans (84%)
• undergrads who get Pell grants (68%)
• undergrads who are 25 years or older (67.3%)
• minorities (29.3%)
• Hispanics (16.1%)
• ratio of female full-time freshmen (16%)
• average teaching salary differential (women vs. men, 8.9%)
• American Indians or Alaska Natives (6.4%)
• Blacks or African Americans (5.5%)
• tuition & fees increase over three years (5.2%)
• Asians (1.3%)
• non-resident tuition & fees surcharge (0%)
• foreign students (0%)
• average teaching salary differential (men vs. women, -8.2%)
• alumni who played in the National Football League (0)
• average January temperature (56.4 degrees)
• first-year applicants (181)
• foreign students (0)
• full-time undergrads (400)
• members of the National Academy of Sciences (0)
• men's basketball Final Four appearances (0)
• Rhodes Scholar alumni (0)
• undergrads (575)
• yearly for-credit students (1,113)
• on-campus yearly property crimes per thousand students (0)
• students per faculty member (20)
• annual rainfall (8.0 inches)
• elevation (367 meters)

Sources