This is where immigrants in Texas are moving to

Texas is one of the largest states for both documented and undocumented migrants. Click through to find out where most of these migrants settle. Texas is one of the largest states for both documented and undocumented migrants. Click through to find out where most of these migrants settle. Photo: 2015 Getty Images Photo: 2015 Getty Images Image 1 of / 33 Caption Close This is where immigrants in Texas are moving to 1 / 33 Back to Gallery

When Donald Trump visited Austin on Tuesday, he polled his audience about what they thought he should do about the nearly 11 million undocumented immigrants living in the United States. As November approaches and questions about legal and undocumented immigration arise, it may pay to see what areas of Texas would be impacted by immigration reform the most.

A Pew Research Center study finds that a total of 1.7 million, or roughly 13 percent of all undocumented immigrants in the country, live within Texas' borders.

In terms of legal immigration, Texas is second in the nation for immigrant population size behind California. Between 2000 and 2013 the number of foreign-born immigrants increased in the state by 44.4 percent.

In Houston alone, this number was 59 percent according to the Migration Policy Institute, nearly twice the national rate. Similarly, Harris County contains the largest population of undocumented immigrants in the state.

READ MORE: Texas once welcomed, even recruited immigrants

Every aspect of Texas' economy, from the workforce to education, is greatly influenced by immigrants - undocumented or not. Half of all science, technology, engineering and mathematics graduates were foreign-born students, according to findings from the Partnership for a New American Economy and the American Enterprise Institute. Similarly, a quarter of all business owners in Texas are immigrants.

"The 11 million undocumented immigrants currently living in the United States collectively paid $11.64 billion in state and local taxes," explains the website for the Institute on Taxation and Economic Policy.

"Regardless of the politically contentious nature of immigration reform, the data show undocumented immigrants greatly contribute to our nation's economy, not just in labor but also with tax dollars," said Meg Wiehe, one of ITEP's directors.

READ MORE: Suddenly it's Trump sounding softer on illegal immigration

The question of immigration may be most important for Houston, the nation's most racially diverse metropolitan population. Harris County receives almost the same amount of immigrants as the next three counties combined.

Click through the slideshow above to see which Texas counties are home to the most immigrants, according to Texas' Office of the State Demographer.