Psuedo’ing it is probably the best option…
.odometer-widget:before{
content: "$";
font-size: 50px;
color: green;
}
That will display a green dollar sign…the only problem is the positioning of it. I assume it’s in your sidebar which makes it a bit more a pain.
considering adding to the above code…
position:relative;
top: 10px;
right: 10px;
Change the values to whatever works. Just saw your question, thought this would be a good start for you. Sorry, you’ll have to look into it a bit more to get the desired look.
An old topic, but after recent updates this is now very easy to do by either using the new format option e.g $0000
or
creating the counter as an inline shortcode preceded by a $