I read this as: US Hearing Aid Equipment Practices in CA.
The same question as a structured link: https://locationlists.com/find?dataset=us-hearing-aid-equipment-practices&state=CA

LocationLists: US Hearing Aid Equipment Practices, state = CA

368 practices match (370 listings, 2 duplicates removed).

The file is the list as published. Add the essentials (county population, median household income and median age) or a group of area data to every row below.
Add more area data to every row (each link reloads this answer with those columns added, and the buy link then delivers them):
- Add the essentials: https://locationlists.com/find?dataset=us-hearing-aid-equipment-practices&state=CA&area_columns=county:population,median_household_income,median_age
- Census demographics: https://locationlists.com/find?dataset=us-hearing-aid-equipment-practices&state=CA&area_columns=county:population,households,median_household_income,median_age,pct_65_plus,pct_bachelors_plus,housing_units,owner_occupied_share,median_home_value,population_estimate,population_growth_since_2020,pct_under_18,pct_5_to_14,pct_households_with_people_under_18
- Business activity by industry: https://locationlists.com/find?dataset=us-hearing-aid-equipment-practices&state=CA&area_columns=county:establishments,employees,agriculture_establishments,mining_establishments,utilities_establishments,construction_establishments,manufacturing_establishments,wholesale_trade_establishments,retail_trade_establishments,transportation_establishments,information_establishments,finance_establishments,real_estate_establishments,professional_establishments,management_establishments,administrative_establishments,educational_services_establishments,health_care_establishments,arts_establishments,accommodation_establishments,other_services_establishments
- Weather normals: https://locationlists.com/find?dataset=us-hearing-aid-equipment-practices&state=CA&area_columns=county:january_high,july_high,annual_high,january_low,july_low,annual_low,annual_precipitation,annual_cooling_degree_days,annual_heating_degree_days,hottest_month_high,coldest_month_low,annual_snowfall,annual_days_of_highs_reaching_90_f,annual_days_of_highs_reaching_100_f,growing_season_length_20f_50pct
- Storms: https://locationlists.com/find?dataset=us-hearing-aid-equipment-practices&state=CA&area_columns=county:flash_flood_events,flood_events,hail_events,high_wind_events,hurricane_events,lightning_events,thunderstorm_wind_events,tornado_events,wildfire_events,winter_storm_events,strong_tornadoes,storm_injuries,storm_deaths,storm_property_damage,storm_crop_damage
- Drought: https://locationlists.com/find?dataset=us-hearing-aid-equipment-practices&state=CA&area_columns=county:palmer_drought_severity_index,palmer_hydrological_drought_index,modified_palmer_drought_index,palmer_z_index,palmer_drought_severity_index_2025,palmer_hydrological_drought_index_2025,modified_palmer_drought_index_2025,palmer_z_index_2025
- Building stock: https://locationlists.com/find?dataset=us-hearing-aid-equipment-practices&state=CA&area_columns=county:buildings,multi_story_buildings,mid_rise_buildings,high_rise_buildings,buildings_4_floors_plus,buildings_8_floors_plus,share_with_floors_published,share_with_height_published,building_footprint_area,estimated_floor_area,average_building_height,tallest_building_height
This list is sold whole.
Buy the whole list — 3,428 rows · $49 (card, no account needed): https://locationlists.com/data/us-hearing-aid-equipment-practices/buy?src=find
Email me this quote (free, pay later): https://locationlists.com/find/quote?dataset=us-hearing-aid-equipment-practices&state=CA

Preview (3 fixed sample row(s) from these lists, the same for every question — not a sample of your 368 matches):
- YOUNG'S HEARING AID SERVICE · 1607 BERNARDIN AVE, Columbia, SC 29204 · 8032547666 [us-hearing-aid-equipment-practices] — does not match your question
- NORTHLAND HEARING SERVICES, INC. · 29 COLLEGE RD STE 6, Fairbanks, AK 99701 · 9074514327 [us-hearing-aid-equipment-practices] — does not match your question
- ATLANTIC HEARING AID CENTER · 9400 ATLANTIC AVENUE, IRVIN WIENER, Margate, NJ 08402 · 6098228662 [us-hearing-aid-equipment-practices] — does not match your question

Where the matches are, by ZIP code (counts only, no names or contact details; 274 ZIP codes):
- 91730: 4
- 91942: 4
- 92128: 4
- 92260: 4
- 92395: 4
- 92653: 4
- 94564: 4
- 95350: 4
- 95403: 4
- 90255: 3
- and 264 more ZIP codes (see https://locationlists.com/find?dataset=us-hearing-aid-equipment-practices&state=CA&format=json)
Free map of these counts: https://locationlists.com/find/map?dataset=us-hearing-aid-equipment-practices&state=CA

Left out:
- US Hearing Aid Equipment Practices: 370 match, but at 3,428 records this dataset is sold only as the whole file ($49).

Other ways to ask this:
- Counts per county instead of rows: https://locationlists.com/find?dataset=us-hearing-aid-equipment-practices&state=CA&areas=county
- Counts per ZIP code instead of rows: https://locationlists.com/find?dataset=us-hearing-aid-equipment-practices&state=CA&areas=zip

Technical details (developers and AI agents): JSON: https://locationlists.com/find?dataset=us-hearing-aid-equipment-practices&state=CA&format=json · Nothing is charged until checkout is paid.