Are custom posts included when getting a categories’ posts?

You need to do:

WP_Query('cat=1&post_type=any')

Or if you want just your custom post to show, put the name of it instead of any. More info in Codex

Related Posts:

  1. WP_Query by a category id and a custom post_type
  2. Exclude a category from WP_Query
  3. WP_Query ignores post_type in category view
  4. category__in not working on custom post type
  5. List with categories, subcategories and posts of custom posttype
  6. New WP_query in template not working with CPT+category on some pages
  7. WP Query group/order by category name
  8. List all custom post type posts from a given category?
  9. Display Posts of a Category in Alphabetical Order (Custom Post Type)
  10. WP_Query with custom post_type and cat retrieving unwanted posts with the custom posts
  11. Query Custom Post by Category
  12. Loop through categories and create tab for each
  13. Getting all custom posts with a certain category
  14. Query Custom Post Types & category_name?
  15. Show Post Count of a Category
  16. CPT posts listed by category with custom rewrite URL, please help!
  17. Querying Term Posts in Loop
  18. Pagination on category page with custom post types
  19. How to show CPTs in term archive
  20. showing custom post types of a certain category only
  21. Linking to the most recent post in a Custom Post Type
  22. Show custom post type filtered by category
  23. forming WP_Query for posts of all post types but from specific categories
  24. WP Query with categories only shows one post and ignores the category
  25. Why is my category template ignoring post type?
  26. WP the_posts() on single-cars.php get category link
  27. WP_Query Custom Post Type if Category ID Equals
  28. Custom post types and ‘new WP_Query’
  29. How to include category name/id in wp_query for retrieving “custom post type” from a particular category?
  30. List categories, subcategories and posts from custom taxonomy and custom post type
  31. WP Query results showing posts outside of category ID
  32. How to get Custom Post Type with Categories wise in WordPress using wp_query
  33. Create query for both custom post type and category
  34. How to properly use Categories with Custom Post Types
  35. How to output custom post type title on custom page with category next to it?
  36. Custom Post By Category
  37. Only show categories that have posts within custom post type
  38. Query the title of the page to show posts with matching category in the loop
  39. Only show current category post
  40. Can’t seem to filter wp_query by current category ID
  41. Custom Post Type + Category archive
  42. category_name not working in WP_Query
  43. Get all custom_post_type posts + blog posts from one category in a single query
  44. Using tax_query to get single post per category
  45. Is it possible to make is_category() recursive?
  46. WP Query filtering by custom category not showing all relevant posts
  47. Display CPT posts based on specific taxonomy
  48. CPT Archive with core Category
  49. Can’t query tag and post_type at the same time
  50. Group posts by custom post type
  51. Setting proper query for multiple custom admin filters
  52. shortcode to show custom post types by category
  53. Unable to retrieve any posts of CPT in wp-admin
  54. WP_Query: include custom post type only with specific meta value
  55. Pagination on a custom post type loop
  56. Display all posts in main category and 1 subcategory
  57. Replace li Items with divs with classes
  58. WP_Query orderby modified to include custom meta changes
  59. WordPress custom loop filter by meta_key and value with serialize data
  60. Returning a list of custom post types excluding those without a specific meta_value
  61. query private custom post type
  62. Get posts from a custom post type by child categories of a parent category
  63. Display custom post type from dynamic custom field
  64. Query/list all terms and their custom post count
  65. Custom Post Type Archive Page Filtering
  66. Getting posts under the custom post type ui category
  67. How to make sure content doesn’t display if selection is empty
  68. Show category ID on custom post type
  69. How can I auto-assign a CPT post to category in a custom taxonomy when published?
  70. Filtering WP_Query Dynamically on the Front-End
  71. Show one item per category of a custom post type
  72. Why get_posts() not returning only selected category posts from Custom Post Type?
  73. Storing posts from query and accessing later via AJAX call
  74. Two near-identical custom field types – one works, the other doesn’t . What can cause this?
  75. Archive for custom taxonomy lists all posts instead of current taxonomy
  76. get_posts() with custom post type does not work outside page.php
  77. Genesis filterable portfolio isotope [closed]
  78. Posts from all the categories are being displayed instead of particular category
  79. Query custom post type with tags
  80. wp_query check if integer exists in custom field’s array
  81. Get parent categories of custom post type
  82. convert custom query to wp_query
  83. Wrong request query on cpt and tax
  84. Previous/Next Link by Meta Value in CPT
  85. How to query_post custom posts within default taxonomy?
  86. Conditional Statement custom post type category
  87. Randomize Posts. Skip the first post in ascending order
  88. Custom Post Type With Categories
  89. Creating a navigation menu of all posts of a custom post type and their children posts?
  90. Get custom taxonomies from multiple posts
  91. Pagination for Custom Taxonomy Page [duplicate]
  92. Display posts from Custom Post Type in category page on front-end
  93. Filtering WP_Query
  94. Search / Filter posts on Title/Content OR Tags
  95. Pagination on with query_posts in custom post type template
  96. Categories sorting
  97. Wp_query: sort by PHP variable
  98. How can I make my custom posts appear in their assigned category url?
  99. WP_Query most viewed posts, in multiple Post Types, last 30 days, excluding a specific taxonomy term
  100. How to call in Custom Post-Type Categories?
Hata!: SQLSTATE[HY000] [1045] Access denied for user 'divattrend_liink'@'localhost' (using password: YES)