50, never been married. (I don't call myself a spinster except when I want DCUMs to click on my link.

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Attractive, good education, kind, fun - blah blah blah. One child who I adopted after an unfortunate family situation.
Here's the deal. I want to be married. I would like more children. DC deserves that and so do I. My parents have been married 60+ years (I'll take 30+) and I grew up with siblings and a dog. This current situation is not at all what I dreamed.
I have lived in WDC off and on since the mid-90s. Been in some good relationships but none ended in marriage. It's harder now as you can imagine. Time/money/ a child, etc, it's just hard.
I have no family here and no savings other than my home which has about $250,000 in equity. DC is a decent city but it's expensive, gets cold and the school choice is driving me batty! I have great friends and my parents are in their 80s (they live 5 hrs from here) but I am starting to think it's time to go. I dont' want to live paycheck to paycheck. I want to live/save/date!
I can work from anywhere and am waiting to hear about an overseas job I just interviewed for. Here are my options:
1. Do I accept it if offered? Pay is better and I can have an interesting life outside of work but it's FAR and dating there is questionable. They have NGOs and embassies, etc.
2. Do I move to another US city where there might be less competition for dates and save money but have NO friends or family there?
3. Suck it up in DC and see what happens? There are men here but I'm older and I can barely get out.
I want a partner to experience life with but if I never find him I still want to enjoy life. WWYD?