Here's a list of gender gap percentages of 100 cities in the United States. I figured it might help target which cities to visit or hit up on Plenty Of Fish, badoo or whatever. Of course, it doesn't say if the women are the prime 18-35 age, or 65-80, but still... Better to start with a city with more women, than not.
Most to Least Gender Gap in Large Cities
Rank Metro Gender gap
1 McAllen-Edinburg-Mission, TX 28.5% more women
2 El Paso, TX 27.3% more women
3 Memphis, TN-MS-AR 17.5% more women
4 Bethesda-Gaithersburg-Frederick, MD 16.9% more women
5 San Jose-Sunnyvale-Santa Clara, CA 16.7% more men
6 Birmingham-Hoover, AL 16.3% more women
7 New York-White Plains-Wayne, NY-NJ 15.9% more women
8 Baltimore-Towson, MD 15.7% more women
9 Little Rock-North Little Rock, AR 15.6% more women
10 Columbia, SC 15.5% more women
11 New Orleans-Metairie-Kenner, LA 15.1% more women
12 Richmond, VA 14.7% more women
13 Detroit-Livonia-Dearborn, MI 14.5% more women
14 Philadelphia, PA 14.1% more women
15 San Antonio, TX 13.7% more women
16 Baton Rouge, LA 13.2% more women
17 Newark-Union, NJ-PA 13.2% more women
18 Las Vegas-Paradise, NV 13.1% more men
19 San Francisco-San Mateo-Redwood City, CA 12.3% more men
20 Springfield, MA 11.6% more women
21 Cleveland-Elyria-Mentor, OH 11.6% more women
22 New Haven-Milford, CT 11.5% more women
23 Camden, NJ 11.5% more women
24 Essex County, MA 11.4% more women
25 Washington-Arlington-Alexandria, DC-VA-MD-WV 11.3% more women
26 St. Louis, MO-IL 10.9% more women
27 Bridgeport-Stamford-Norwalk, CT 10.8% more women
28 Dayton, OH 10.8% more women
29 Virginia Beach-Norfolk-Newport News, VA-NC 10.4% more women
30 Wilmington, DE-MD-NJ 10.4% more women
31 Providence-New Bedford-Fall River, RI-MA 10.2% more women
32 Honolulu, HI 10.1% more men
33 Miami-Miami Beach-Kendall, FL 9.6% more women
34 Austin-Round Rock, TX 9.6% more men
35 Greensboro-High Point, NC 9.1% more women
36 Gary, IN 9.1% more women
37 Louisville-Jefferson County, KY-IN 8.9% more women
38 Pittsburgh, PA 8.7% more women
39 Buffalo-Niagara Falls, NY 8.7% more women
40 Chicago-Naperville-Joliet, IL 8.7% more women
41 Stockton, CA 8.6% more women
42 Boston-Quincy, MA 8.6% more women
43 Milwaukee-Waukesha-West Allis, WI 8.6% more women
44 Syracuse, NY 8.5% more women
45 Atlanta-Sandy Springs-Marietta, GA 8.5% more women
46 Sacramento--Arden-Arcade--Roseville, CA 8.1% more women
47 Knoxville, TN 8.1% more women
48 Rochester, NY 8.1% more women
49 Tulsa, OK 8.0% more women
50 Nashville-Davidson--Murfreesboro, TN 7.9% more women
51 Cincinnati-Middletown, OH-KY-IN 7.9% more women
52 Hartford-West Hartford-East Hartford, CT 7.9% more women
53 Jacksonville, FL 7.8% more women
54 Akron, OH 7.7% more women
55 Toledo, OH 7.6% more women
56 Indianapolis-Carmel, IN 7.6% more women
57 Oakland-Fremont-Hayward, CA 7.4% more women
58 Edison, NJ 7.3% more women
59 Nassau-Suffolk, NY 7.2% more women
60 Kansas City, MO-KS 7.1% more women
61 Sarasota-Bradenton-Venice, FL 7.0% more women
62 Albuquerque, NM 6.8% more women
63 Oklahoma City, OK 6.5% more women
64 Greenville, SC 6.4% more women
65 Charlotte-Gastonia-Concord, NC-SC 6.4% more women
66 Seattle-Bellevue-Everett, WA 6.4% more men
67 Cambridge-Newton-Framingham, MA 6.3% more women
68 Youngstown-Warren-Boardman, OH-PA 6.2% more women
69 Raleigh-Cary, NC 6.1% more women
70 San Diego-Carlsbad-San Marcos, CA 5.9% more men
71 Salt Lake City, UT 5.5% more men
72 Tampa-St. Petersburg-Clearwater, FL 5.1% more women
73 Albany-Schenectady-Troy, NY 5.0% more women
74 Houston-Sugar Land-Baytown, TX 4.9% more women
75 Columbus, OH 4.9% more women
76 Fresno, CA 4.6% more women
77 Dallas-Plano-Irving, TX 4.2% more women
78 Poughkeepsie-Newburgh-Middletown, NY 4.2% more men
79 West Palm Beach-Boca Raton-Boynton Beach, FL 4.1% more women
80 Phoenix-Mesa-Scottsdale, AZ 3.9% more men
81 Omaha-Council Bluffs, NE-IA 3.7% more women
82 Portland-Vancouver-Beaverton, OR-WA 3.4% more men
83 Denver-Aurora, CO 3.3% more men
84 Fort Lauderdale-Pompano Beach-Deerfield , FL 3.2% more women
85 Tucson, AZ 3.1% more women
86 Lake County-Kenosha County, IL-WI 3.0% more women
87 Worcester, MA 2.7% more women
88 Bakersfield, CA 2.7% more women
89 Riverside-San Bernardino-Ontario, CA 2.5% more women
90 Wichita, KS 2.5% more men
91 Santa Ana-Anaheim-Irvine, CA 2.5% more men
92 Fort Worth-Arlington, TX 2.5% more women
93 Allentown-Bethlehem-Easton, PA-NJ 2.4% more women
94 Los Angeles-Long Beach-Glendale, CA 2.1% more women
95 Grand Rapids-Wyoming, MI 1.1% more men
96 Oxnard-Thousand Oaks-Ventura, CA 0.8% more men
97 Orlando-Kissimmee, FL 0.4% more men
98 Tacoma, WA 0.4% more men
99 Minneapolis-St. Paul-Bloomington, MN-WI 0.3% more women
100 Warren-Troy-Farmington Hills, MI 0.1% more men
Most to Least Gender Gap in Large Cities
Rank Metro Gender gap
1 McAllen-Edinburg-Mission, TX 28.5% more women
2 El Paso, TX 27.3% more women
3 Memphis, TN-MS-AR 17.5% more women
4 Bethesda-Gaithersburg-Frederick, MD 16.9% more women
5 San Jose-Sunnyvale-Santa Clara, CA 16.7% more men
6 Birmingham-Hoover, AL 16.3% more women
7 New York-White Plains-Wayne, NY-NJ 15.9% more women
8 Baltimore-Towson, MD 15.7% more women
9 Little Rock-North Little Rock, AR 15.6% more women
10 Columbia, SC 15.5% more women
11 New Orleans-Metairie-Kenner, LA 15.1% more women
12 Richmond, VA 14.7% more women
13 Detroit-Livonia-Dearborn, MI 14.5% more women
14 Philadelphia, PA 14.1% more women
15 San Antonio, TX 13.7% more women
16 Baton Rouge, LA 13.2% more women
17 Newark-Union, NJ-PA 13.2% more women
18 Las Vegas-Paradise, NV 13.1% more men
19 San Francisco-San Mateo-Redwood City, CA 12.3% more men
20 Springfield, MA 11.6% more women
21 Cleveland-Elyria-Mentor, OH 11.6% more women
22 New Haven-Milford, CT 11.5% more women
23 Camden, NJ 11.5% more women
24 Essex County, MA 11.4% more women
25 Washington-Arlington-Alexandria, DC-VA-MD-WV 11.3% more women
26 St. Louis, MO-IL 10.9% more women
27 Bridgeport-Stamford-Norwalk, CT 10.8% more women
28 Dayton, OH 10.8% more women
29 Virginia Beach-Norfolk-Newport News, VA-NC 10.4% more women
30 Wilmington, DE-MD-NJ 10.4% more women
31 Providence-New Bedford-Fall River, RI-MA 10.2% more women
32 Honolulu, HI 10.1% more men
33 Miami-Miami Beach-Kendall, FL 9.6% more women
34 Austin-Round Rock, TX 9.6% more men
35 Greensboro-High Point, NC 9.1% more women
36 Gary, IN 9.1% more women
37 Louisville-Jefferson County, KY-IN 8.9% more women
38 Pittsburgh, PA 8.7% more women
39 Buffalo-Niagara Falls, NY 8.7% more women
40 Chicago-Naperville-Joliet, IL 8.7% more women
41 Stockton, CA 8.6% more women
42 Boston-Quincy, MA 8.6% more women
43 Milwaukee-Waukesha-West Allis, WI 8.6% more women
44 Syracuse, NY 8.5% more women
45 Atlanta-Sandy Springs-Marietta, GA 8.5% more women
46 Sacramento--Arden-Arcade--Roseville, CA 8.1% more women
47 Knoxville, TN 8.1% more women
48 Rochester, NY 8.1% more women
49 Tulsa, OK 8.0% more women
50 Nashville-Davidson--Murfreesboro, TN 7.9% more women
51 Cincinnati-Middletown, OH-KY-IN 7.9% more women
52 Hartford-West Hartford-East Hartford, CT 7.9% more women
53 Jacksonville, FL 7.8% more women
54 Akron, OH 7.7% more women
55 Toledo, OH 7.6% more women
56 Indianapolis-Carmel, IN 7.6% more women
57 Oakland-Fremont-Hayward, CA 7.4% more women
58 Edison, NJ 7.3% more women
59 Nassau-Suffolk, NY 7.2% more women
60 Kansas City, MO-KS 7.1% more women
61 Sarasota-Bradenton-Venice, FL 7.0% more women
62 Albuquerque, NM 6.8% more women
63 Oklahoma City, OK 6.5% more women
64 Greenville, SC 6.4% more women
65 Charlotte-Gastonia-Concord, NC-SC 6.4% more women
66 Seattle-Bellevue-Everett, WA 6.4% more men
67 Cambridge-Newton-Framingham, MA 6.3% more women
68 Youngstown-Warren-Boardman, OH-PA 6.2% more women
69 Raleigh-Cary, NC 6.1% more women
70 San Diego-Carlsbad-San Marcos, CA 5.9% more men
71 Salt Lake City, UT 5.5% more men
72 Tampa-St. Petersburg-Clearwater, FL 5.1% more women
73 Albany-Schenectady-Troy, NY 5.0% more women
74 Houston-Sugar Land-Baytown, TX 4.9% more women
75 Columbus, OH 4.9% more women
76 Fresno, CA 4.6% more women
77 Dallas-Plano-Irving, TX 4.2% more women
78 Poughkeepsie-Newburgh-Middletown, NY 4.2% more men
79 West Palm Beach-Boca Raton-Boynton Beach, FL 4.1% more women
80 Phoenix-Mesa-Scottsdale, AZ 3.9% more men
81 Omaha-Council Bluffs, NE-IA 3.7% more women
82 Portland-Vancouver-Beaverton, OR-WA 3.4% more men
83 Denver-Aurora, CO 3.3% more men
84 Fort Lauderdale-Pompano Beach-Deerfield , FL 3.2% more women
85 Tucson, AZ 3.1% more women
86 Lake County-Kenosha County, IL-WI 3.0% more women
87 Worcester, MA 2.7% more women
88 Bakersfield, CA 2.7% more women
89 Riverside-San Bernardino-Ontario, CA 2.5% more women
90 Wichita, KS 2.5% more men
91 Santa Ana-Anaheim-Irvine, CA 2.5% more men
92 Fort Worth-Arlington, TX 2.5% more women
93 Allentown-Bethlehem-Easton, PA-NJ 2.4% more women
94 Los Angeles-Long Beach-Glendale, CA 2.1% more women
95 Grand Rapids-Wyoming, MI 1.1% more men
96 Oxnard-Thousand Oaks-Ventura, CA 0.8% more men
97 Orlando-Kissimmee, FL 0.4% more men
98 Tacoma, WA 0.4% more men
99 Minneapolis-St. Paul-Bloomington, MN-WI 0.3% more women
100 Warren-Troy-Farmington Hills, MI 0.1% more men