Update: Official Google+ badge is now out of preview with updated +1 count. Get it here.
Google+ pages were rolled out recently and the blogger community is busy promoting their brand pages. In order to make it easy just like Facebook like box, Google is experimenting with what is called as Google+ Badge for pages. As of today it’s in platform preview and if you want to test it out check this link. But the down side is even if you place that badge/ widget on blogs or websites it will be visible only to other users who are logged in to Google account. Also it is not customizable and requires some effort to add it to your blog be it WordPress or Blogger platform.
With Google Plus Widget for WordPress you get a customizable plugin that can be placed on blog sidebar. It not only includes Google Plus page details but also displays Google +1 button. The plugin background, link, border, font color can be tweaked along with the position of various elements in it. Install this plugin and under Widgets tab you will see Google Plus Widget for you to include on blog sidebar. Now just add your Google+ page ID in the second field and start tweaking it. All the settings can be changed and updated from the widget tab itself.
Download Google+ Badge for WordPress