diff --git a/CHANGELOG.md b/CHANGELOG.md
index 85ec173978335..791fd09fdcd18 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,7 @@
 
 ### Features
 
+- [#1782](https://github.com/influxdata/telegraf/pull/1782): Allow numeric and non-string values for tag_keys.
 - [#1694](https://github.com/influxdata/telegraf/pull/1694): Adding Gauge and Counter metric types.
 - [#1606](https://github.com/influxdata/telegraf/pull/1606): Remove carraige returns from exec plugin output on Windows
 - [#1674](https://github.com/influxdata/telegraf/issues/1674): elasticsearch input: configurable timeout.
@@ -23,6 +24,7 @@
 
 ### Bugfixes
 
+- [#1746](https://github.com/influxdata/telegraf/issues/1746): Fix handling of non-string values for JSON keys listed in tag_keys.
 - [#1628](https://github.com/influxdata/telegraf/issues/1628): Fix mongodb input panic on version 2.2.
 - [#1733](https://github.com/influxdata/telegraf/issues/1733): Fix statsd scientific notation parsing
 - [#1716](https://github.com/influxdata/telegraf/issues/1716): Sensors plugin strconv.ParseFloat: parsing "": invalid syntax
diff --git a/plugins/parsers/json/parser.go b/plugins/parsers/json/parser.go
index e5172ac97b116..180f2452aff15 100644
--- a/plugins/parsers/json/parser.go
+++ b/plugins/parsers/json/parser.go
@@ -35,6 +35,10 @@ func (p *JSONParser) Parse(buf []byte) ([]telegraf.Metric, error) {
 		switch v := jsonOut[tag].(type) {
 		case string:
 			tags[tag] = v
+		case bool:
+			tags[tag] = strconv.FormatBool(v)
+		case float64:
+			tags[tag] = strconv.FormatFloat(v, 'f', -1, 64)
 		}
 		delete(jsonOut, tag)
 	}