Gravity Forms put USA at top of drop downs for countries, including drop down in Address field type

gf_us_to_top.php

<?php
// Yoink: https://community.gravityforms.com/t/how-to-display-us-as-the-first-choice-but-leave-the-default-country-field-blank/17226/2


/**
 * Set US to top of countries list in Gravity Forms.
 */

// Normal way
add_filter( 'gform_countries', 'modify_countries_list' );
function modify_countries_list( $countries ) {
    $key = array_search( 'United States', $countries );
    if ( $key !== false ) {
        unset( $countries[ $key ] );
    }
    array_unshift( $countries, 'United States' );
    return $countries;
}


// Roots Sage way
add_filter( 'gform_countries', function ( $countries ) {
    $key = array_search( 'United States', $countries );
    if ( $key !== false ) {
        unset( $countries[ $key ] );
    }
    array_unshift( $countries, 'United States' );
    return $countries;
} );