I actually made a map of this by congressional district a few months ago:
Going by jimetex's map, the west is likely more dominated by Indians and Chinese than it was a few years ago.
Based on 2010-2014 ACS
Indian (181): AL-5, AL-6, AL-7, AZ-6, AZ-8, AZ-9, AR-2, AR-3, AR-4, CA-17, CO-4, CT-1, CT-3, CT-4, CT-5, DE-AL, FL-2, FL-6, FL-7, FL-8, FL-9, FL-10, FL-11, FL-12, FL-14, FL-15, FL-16, FL-18, FL-20, FL-21, FL-22, FL-23, FL-24, GA-1, GA-2, GA-3, GA-4, GA-6, GA-8, GA-10, GA-11, GA-12, GA-13, GA-14, ID-2, IL-6, IL-8, IL-9, IL-10, IL-11, IL-14, IL-17, IL-18, IN-1, IN-5, IN-6, IN-7, IN-8, IA-1, IA-2, IA-3, KS-3, KY-3, KY-4, KY-5, MD-2, MD-3, MD-7, MA-2, MA-6, MI-5, MI-6, MI-7, MI-9, MI-10, MI-11, MI-13, MI-14, MN-2, MN-3, MS-2, MS-3, MO-1, MO-2, MO-3, NE-2, NH-1, NH-2, NJ-1, NJ-2, NJ-3, NJ-4, NJ-6, NJ-7, NJ-8, NJ-11, NJ-12, NY-2, NY-3, NY-4, NY-5, NY-15, NY-16, NY-17, NY-18, NY-20, NY-25, NY-26, NC-2, NC-4, NC-5, NC-6, NC-7, NC-9, NC-12, NC-13, ND-AL, OH-1, OH-2, OH-3, OH-4, OH-5, OH-7, OH-8, OH-10, OH-12, OH-14, OH-15, OH-16, OK-3, OR-1, PA-3, PA-4, PA-6, PA-7, PA-8, PA-10, PA-11, PA-12, PA-13, PA-15, PA-17, PA-18, SC-2, SC-3, SC-4, SC-5, SC-6, SC-7, TN-1, TN-2, TN-3, TN-5, TN-6, TN-7, TN-8, TX-3, TX-4, TX-5, TX-7, TX-8, TX-10, TX-20, TX-21, TX-22, TX-23, TX-24, TX-25, TX-26, TX-31, TX-36, VA-6, VA-7, VA-8, VA-10, WA-1, WA-8, WV-2, WV-3, WI-1, WI-5
Chinese (98): AL-4, AZ-2, CA-2, CA-6, CA-12, CA-13, CA-14, CA-15, CA-18, CA-27, CA-32, CA-33, CA-37, CA-39, CA-45, CO-2, CO-3, CT-2, DC-AL, FL-19, FL-25, FL-26, FL-27, ID-1, IL-1, IL-3, IL-7, IL-13, IN-2, IN-4, IN-9, IA-4, KS-2, KY-1, KY-6, ME-2, MD-6, MD-8, MA-1, MA-4, MA-5, MA-7, MA-8, MA-9, MI-1, MI-4, MI-8, MI-12, MN-8, MS-1, MO-4, MO-6, MO-7, MO-8, MT-AL, NE-3, NM-3, NY-1, NY-6, NY-7, NY-8, NY-9, NY-10, NY-11, NY-12, NY-13, NY-14, NY-19, NY-21, NY-22, NY-23, NY-24, NY-27, NC-1, OH-6, OH-9, OH-11, OR-4, OR-5, PA-1, PA-2, PA-5, PA-9, PA-14, RI-1, RI-2, TX-19, UT-1, UT-2, UT-3, VT-AL, VA-5, VA-9, WA-5, WA-7, WA-9, WV-1, WI-2
Filipino (74): AK-AL, AZ-1, AZ-3, AZ-4, AZ-5, AR-1, CA-3, CA-4, CA-5, CA-7, CA-8, CA-9, CA-10, CA-11, CA-20, CA-21, CA-23, CA-24, CA-25, CA-26, CA-28, CA-29, CA-30, CA-31, CA-35, CA-36, CA-38, CA-40, CA-41, CA-42, CA-44, CA-49, CA-50, CA-51, CA-52, CA-53, FL-1, FL-3, FL-4, FL-5, FL-17, HI-2, IL-2, IL-4, IL-5, IL-12, IL-15, IL-16, MD-1, MD-4, MD-5, NV-1, NV-2, NV-3, NV-4, NJ-10, NM-2, NC-3, OR-2, SC-1, TX-1, TX-11, TX-15, TX-16, TX-27, TX-28, TX-34, VA-2, VA-3, VA-4, WA-2, WA-4, WA-6, WY-AL
Vietnamese (46): AL-1, AZ-7, CA-19, CA-46, CA-47, CA-48, CO-1, CO-7, FL-13, GA-5, GA-9, KS-1, KS-4, LA-1, LA-2, LA-3, LA-4, LA-5, LA-6, ME-1, MI-2, MS-4, MO-5, NE-1, NM-1, OK-1, OK-2, OK-4, OK-5, OR-3, PA-16, TN-9, TX-2, TX-6, TX-9, TX-12, TX-14, TX-17, TX-18, TX-29, TX-30, TX-32, TX-33, TX-35, UT-4, WA-3
Hmong (15): CA-1, CA-16, CA-22, MN-4, MN-5, MN-6, MN-7, NC-8, NC-10, NC-11, WI-3, WI-4, WI-6, WI-7, WI-8
Korean (11): AL-2, AL-3, CA-34, CO-5, CO-6, GA-7, NJ-5, NJ-9, VA-1, VA-11, WA-10
Other Asian (6): IN-3, KY-2, MI-3, OH-13, SD-AL, TX-13
Japanese (2): CA-43, HI-1
Laotian (2): MN-1, TN-4
Cambodian (1): MA-3