You're right that these statements don't make you racist, they make you ethnocentric.
(And technically the people you're referring to, those coming over illegally in volumes are Americans. All of the land From Canada to Patagonia is "America" - North, Central, and South. We're all American...)
We've welcomed people from all over the world, our nation is built on the backs of immigrant workers, we live in peace and harmony with one another, different races and different cultures, we have accepted and embraced them as our own, Americans.
Now our nation is trillions of dollars in debt, with millions of Americans living below the poverty line who rely on government assistance to survive, veterans who fought for our country are dying for lack of care from the government and people they fought to protect, and our school system is failing due to lack of funding, this is not the time for our nation to add more burden to its weight, this is not the time to welcome people who enter in our nation illegally and spend billions of dollars caring for them.
This view does not make me a racist.
I have friends from every race, nor do I care the races of those that enter our country illegally.
I believe in one thing, and that is to do what is right for this nation and its people, and spending billions of dollars, money that we have to borrow to spend, in aid to illegal immigrants is not good for our nation.
Our efforts and financial resources must be focused on improving the lives of our own citizens first, not those who come from other countries, illegally.
Americans First.
Written by me, feel free to share with no attribution required.