single-states.php

<?php /* Single - State */ ?>

<?php get_header(); ?>


<?php while (have_posts() ) : the_post(); ?>

  <div class="row block--page">
    <div class="large-12 column">

      <h1><?php the_title(); ?></h1>

      <?php the_content(); ?>

<?php endwhile; ?>

      <hr>



      <p>Counties in <?php the_title(); ?>.</p>



      <?php wp_reset_query(); ?>

      <?php
      $args = array(
        'post_type' => 'county',
        'posts_per_page' => -1,
        'meta_query' => array(
          'key' => 'state',
          'value' => $post->ID,
        ),
      );
      $query = new WP_Query($args);

      // you need to refer to the new query object you created above
      if($query->have_posts()) : ?>
      <ul>
      <?php while($query->have_posts()) : $query->the_post(); ?>
        <li><?php the_title(); ?></li>
      <?php endwhile; ?>
      </ul>
      <?php endif; ?>




  </div> <!-- / large-12 column -->
</div> <!-- / row -->




<?php get_footer(); ?>