| MSA Name | MSA Abbreviation | HT Startup Density, 1990 | HT Startup Density, 2010 |
| ANCHORAGE, AK | AC | 1.0 | 1.2 |
| ANN ARBOR, MI | AA | 2.6 | 1.4 |
| BOULDER‑LONGMONT, CO | BL | 4.0 | 6.3 |
| BREMERTON-SILVERDALE, WA | BS | 1.1 | 0.7 |
| MANCHESTER, NH | MC | 3.2 | 1.6 |
| NORWICH-NEW LONDON, CT | NN | 1.1 | 0.8 |
| SANTA CRUZ‑WATSONVILLE, CA | SW | 1.5 | 0.9 |
| TRENTON, NJ | TR | 0.5 | 0.6 |
| VALLEJO‑FAIRFIELD‑NAPA, CA | VF | 0.3 | 0.4 |
| YORK-HANOVER, PA | YH | 0.6 | 0.5 |
| Minimum (of all Mid-Small MSAs) | 0.0 | 0.1 | |
| Low Normal = average minus standard deviation of all Mid-Small MSAs | 0.0 | 0.0 | |
| Median (of all Mid-Small MSAs) | 0.5 | 0.6 | |
| High Normal = average plus standard deviation of all Mid-Small MSAs | 1.3 | 1.5 | |
| Maximum (of all Mid-Small MSAs) | 4.0 | 6.3 | |