Moody's emphasizes that its ratios have limitations. They do not, for example, compare the quality of a market's housing stock. Perhaps the median-priced home is nicer than the average apartment, for example. Still, the ratios provide a rough idea of where you'd come out by renting instead of buying.

These ratios are most commonly used in comparisons of homes purchased with a mortgage. In such cases, according to Leonhardt and others, buying beats renting when the ratio is 15 or lower. But the advantages of buying at these ratios decreases in a downsizing scenario when a home is purchased with cash and there is no tax deduction for mortgage-interest expenses.

Based on the most current set of ratios, the depressed housing market in Cleveland is the only metro area tracked by Moody's where the rental equivalent of a $250,000 home is more than $2,000 a month.

Interestingly, homes outside of these 50 metro markets are even more reasonably priced, with the median U.S. home costing slightly more than 13.8 times an equivalent rental unit. For our case study, this translates into $2,055 in monthly rent on a home equivalent to one selling for $250,000.

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Here is the current list of buy-to-rent ratios as of the first quarter of the year. The ratio over the 15-year period from 1989 through 2003 is also listed. It will help provide a view of the long-term relationship of home prices and rental costs. Also, we've calculated the monthly rental in each market for a home equivalent to one costing $250,000.

In nearly all cases, renters would come out ahead, and still have their $250,000 as a retirement nest egg.
Metro area Buy-to-rent ratio: Q1 2011 Buy-to-rent ratio: 1989-2003 average 2011 equivalent rent for $250,000 home

 
Metro areaBuy-to-rent ratio: Q1 2011Buy-to-rent ratio: 1989-2003 average2011 equivalent rent for $250,000 home
Atlanta12.4413.47$1,675
Austin, Texas20.5815.19$1,012
Boston17.0315.24$1,223
Baltimore15.1710.14$1,373
Bridgeport, Conn.16.4816.08$1,264
Charlotte, N.C.29.3915.86$709
Chicago13.3016.71$1,566
Cincinnati13.1714.15$1,582
Cleveland10.2713.44$2,029
Columbus, Ohio15.0015.32$1,389
Dallas-Fort Worth15.1615.37$1,374
Denver21.5416.31$967
Detroit11.9413.21$1,745
East Bay, Calif.29.5927.05$704
Fort Lauderdale, Fla.13.0912.23$1,592
Hartford, Conn.17.2213.40$1,120
Honolulu30.9123.37$674
Houston15.8213.18$1,317
Inland Empire, Calif.13.9516.59$1,493
Jacksonville, Fla.13.9312.37$1,496
Kansas City, Kan.14.2513.46$1,462
Las Vegas13.5114.82$1,542
Long Island, N.Y.20.7112.50$1,006
Los Angeles12.5013.99$1,667
Manhattan, N.Y.28.5222.14$730
Memphis, Tenn.18.5416.85$1,124
Miami11.9811.93$1,739
Milwaukee20.3815.38$1,022
Minneapolis12.5813.38$1,656
Nashville23.6818.50$880
New Orleans15.3712.97$1,355
New York15.119.68$1,379
Norfolk, Va.18.0416.28$1,155
North-Central New Jersey22.6717.07$919
Oklahoma City15.2611.73$1,365
Orange County, Calif.28.3619.60$735
Orlando, Fla.12.3312.32$1,690
Palm Beach County, Fla.14.9313.61$1,395
Philadelphia14.7611.04$1,411
Phoenix11.8711.89$1,755
Pittsburgh11.2510.11$1,852
Portland, Ore.23.1216.74$901
Raleigh, N.C.24.6416.80$846
Richmond, Va.21.6014.31$965
Sacramento, Calif.15.1516.16$1,375
Salt Lake City16.6914.23$1,248
San Antonio17.6112.58$1,183
San Diego21.9617.51$949
San Francisco23.9724.76$869
San Jose, Calif.29.5722.79$705
Seattle25.4317.43$819
St. Louis13.4913.17$1,544
Tampa, Fla.11.9512.35$1,743
Washington D.C. / Northern Va. / Maryland17.2413.40$1,208
Metropolitan area average13.8312.00$1,506
U.S.10.149.4$2,055

This article was reported by Philip Moeller for U.S. News & World Report.