Ranking of Tennessee Cities and Places By Percentage of Population Aged 25 years and above with an Educational attainment of Less than High School Diploma in 2021 (ACS-5Yrs)

Updated on September 3, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, the percentage of the population of Tennessee (aged 25 years and above) who had an educational attainment of Less than High School Diploma was 11.24%. Among all Tennessee cities and places with a population of 10K or higher, Shelbyville city had the highest percentage of its population (aged 25 years and above) with an educational attainment of Less than High School Diploma (20.68%), followed by Union City city (18.89%), and Morristown city (18.70%).

The chart below shows the top 10 Tennessee cities and places (with a population of 10K+), and the table below shows the ranking of all Tennessee cities and places (with a population of 10K+).

You can see similar information for other educational attainments.

You can also see similar information for other states and for the United States.

Ranking of Tennessee Cities and Places By Percentage of Population (Aged 25yrs+) with an Educational Attainment of Less than High School Diploma in 2021
Shelbyville city
Union City city
Morristown city
McMinnville city
Paris city
Lewisburg city
Portland city
Lawrenceburg city
Athens city
Springfield city
Ranking of Tennessee Cities and Places By Percentage of Population (Aged 25yrs+) with an Educational Attainment of Less than High School Diploma in 2021
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Rank City of Place Percentage of Population (Aged 25yrs+) (%)
1 Shelbyville city 20.68
2 Union City city 18.89
3 Morristown city 18.70
4 McMinnville city 18.16
5 Paris city 17.27
6 Lewisburg city 16.58
7 Portland city 15.30
8 Lawrenceburg city 15.18
9 Athens city 15.04
10 Springfield city 14.99
11 Crossville city 14.78
12 East Ridge city 14.27
13 Hartsville/Trousdale County 14.21
14 Greeneville town 13.68
15 Sevierville city 13.58
16 Memphis city 13.39
17 Cleveland city 13.30
18 Manchester city 12.98
19 Dyersburg city 12.95
20 Soddy-Daisy city 12.56
21 La Vergne city 11.71
22 Elizabethton city 11.55
23 Cookeville city 11.33
24 Jackson city 11.27
25 Dickson city 11.04
26 Kingsport city 11.03
27 Chattanooga city 10.96
28 Millington city 10.88
29 Gallatin city 10.71
30 Tullahoma city 10.57
31 Alcoa city 10.46
32 Collegedale city 10.36
33 Columbia city 10.24
34 Knoxville city 10.14
35 Nashville-Davidson metropolitan government (balance) 10.04
36 Smyrna town 10.02
37 Goodlettsville city 9.67
38 Bristol city 9.27
39 Martin city 9.09
40 Lebanon city 9.01
41 Johnson City city 8.99
42 White House city 8.84
43 Seymour CDP 8.46
44 Red Bank city 7.73
45 Oak Ridge city 7.48
46 Maryville city 6.78
47 Middle Valley CDP 6.68
48 Murfreesboro city 6.48
49 Clarksville city 6.45
50 Powell CDP 5.95
51 Hendersonville city 5.50
52 Bartlett city 4.82
53 Collierville town 4.49
54 Franklin city 4.41
55 Mount Juliet city 4.22
56 Arlington town 3.96
57 Lakeland city 3.87
58 Spring Hill city 3.65
59 Nolensville town 3.07
60 Brentwood city 1.71
61 Farragut town 1.65
62 Germantown city 1.42