Tennessee State Univ is first with $6,426.

Incidentally, both are public.

beat Tennessee Technological Univ ($6,692), East Tennessee State Univ ($6,715), U of Tennessee-Martin ($7,049), and Middle Tennessee State Univ ($7,210), and others, ending with Vanderbilt ($42,118).

9 out of the other 77 colleges were ruled out due to missing, unknown, or not-applicable values for in-state undergrad tuition & fees, e.g., Oxford Graduate School.

1. Tuition and fees are from the Institutional Characteristics Data File 2012-2013 (Provisional Release) as reported by the National Center for Education Statistics (http://nces.ed.gov/ipeds).
   
2. College geographic information is from the IPEDS Directory, 2012-13 (Provisional release) by the National Center for Education Statistics (http://nces.ed.gov/ipeds).
   

Austin Peay State Univ is in Clarksville, TN, is public, is in the Ohio Valley Conference, degree-granting, has a nursing major, has its top Masters major in education, has its top major in business, offers on-campus housing, requires test scores for undergrad admissions, is on the semester system, its top Associates major is general studies, and enrolls from 10,000 to 19,999 students.

• PayScale mid-career median salary ranking (816th place)
• research spending ($1.6M)
• average full-time teaching salary ($55,694)
• out-of-state undergrad tuition & fees ($20,736)
• average grant aid to undergrads ($7,592)
• in-state undergrad tuition & fees ($6,648)
• average undergrad student loan ($5,292)
• cost of a shared room ($4,600)
• endowment per full-time student ($2,176)
• research spending per student ($123)
• non-resident tuition & fees surcharge (211.9%)
• undergrads who get financial aid (98%)
• in-state freshmen (93.3%)
• undergrads among full-time students (91.9%)
• full-time retention rate (67%)
• undergrads who receive student loans (60%)
• ratio of female full-time freshmen (57.5%)
• undergrads who get Pell grants (56%)
• undergrads who are 25 years or older (36.6%)
• minorities (26.7%)
• grad students who are under 25 years old (26.2%)
• Blacks or African Americans (18.9%)
• tuition & fees increase over three years (16.9%)
• average teaching salary differential (men vs. women, 13.4%)
• Hispanics (5.5%)
• Asians (1.7%)
• American Indians or Alaska Natives (0.6%)
• foreign students (0.5%)
• average teaching salary differential (women vs. men, -11.8%)
• 25th percentile SAT math score (440)
• 25th percentile SAT reading score (420)
• 75th percentile SAT math score (560)
• 75th percentile SAT reading score (580)
• alumni who played in the National Football League (7)
• average January temperature (36.8 degrees)
• dorm capacity (1,454)
• first-year applicants (3,342)
• foreign students (60)
• full-time grad students (302)
• full-time undergrads (6,994)
• grad students (862)
• members of the National Academy of Sciences (0)
• men's basketball Final Four appearances (0)
• Rhodes Scholar alumni (0)
• undergrads (9,735)
• yearly for-credit students (12,694)
• on-campus yearly property crimes per thousand students (2.23)
• students per faculty member (19)
• annual rainfall (51.0 inches)
• diversity and inclusion ratio (0.02)
• elevation (150 meters)

Sources