diff --git a/geocoder/src/main/scala/grasshopper/geocoder/search/census/SearchUtils.scala b/geocoder/src/main/scala/grasshopper/geocoder/search/census/SearchUtils.scala
index de02da8..f676746 100644
--- a/geocoder/src/main/scala/grasshopper/geocoder/search/census/SearchUtils.scala
+++ b/geocoder/src/main/scala/grasshopper/geocoder/search/census/SearchUtils.scala
@@ -12,8 +12,10 @@ object SearchUtils {
       if (isNumeric(s)) {
         Some(s.toInt)
       } else {
-        if (s.contains("-")) {
-          Some(s.substring(0, s.indexOf("-")).toInt)
+        if (s.contains(".")) {
+          Some(s.substring(0, s.indexOf(".")).toInt)
+        } else if (s.contains("-")) {
+          Some(s.substring(0, s.indexOf("-", 1)).toInt)
         } else if (s == "None") {
           None
         } else {
@@ -28,6 +30,6 @@ object SearchUtils {
   }
 
   def isNumeric(str: String): Boolean = {
-    str.matches("-?\\d+(\\.\\d+)?")
+    str.matches("-?\\d+")
   }
 }
diff --git a/geocoder/src/test/scala/grasshopper/geocoder/search/census/NumericGenerators.scala b/geocoder/src/test/scala/grasshopper/geocoder/search/census/NumericGenerators.scala
new file mode 100644
index 0000000..a2b0233
--- /dev/null
+++ b/geocoder/src/test/scala/grasshopper/geocoder/search/census/NumericGenerators.scala
@@ -0,0 +1,19 @@
+package grasshopper.geocoder.search.census
+
+import org.scalacheck.Gen
+
+trait NumericGenerators {
+
+  def digits: Gen[Int] = {
+    for {
+      n <- Gen.choose(-10000, 10000)
+    } yield n
+  }
+
+  def positive: Gen[Int] = {
+    for {
+      n <- Gen.choose(0, 10000)
+    } yield n
+  }
+
+}
\ No newline at end of file
diff --git a/geocoder/src/test/scala/grasshopper/geocoder/search/census/SearchUtilsSpec.scala b/geocoder/src/test/scala/grasshopper/geocoder/search/census/SearchUtilsSpec.scala
new file mode 100644
index 0000000..d12ba13
--- /dev/null
+++ b/geocoder/src/test/scala/grasshopper/geocoder/search/census/SearchUtilsSpec.scala
@@ -0,0 +1,28 @@
+package grasshopper.geocoder.search.census
+
+import org.scalatest.{ PropSpec, MustMatchers }
+import org.scalatest.prop.PropertyChecks
+import grasshopper.geocoder.search.census.SearchUtils._
+
+class SearchUtilsSpec extends PropSpec with MustMatchers with PropertyChecks with NumericGenerators {
+
+  property("digits are parsed into Ints") {
+    forAll(digits) { n =>
+      toInt(n.toString) mustBe Some(n)
+    }
+  }
+
+  property("decimals are parsed into Ints") {
+    forAll(digits, positive) { (x, y) =>
+      val numString = x.toString + "." + y.toString
+      toInt(numString) mustBe Some(x)
+    }
+  }
+
+  property("hyphens are parsed into Ints") {
+    forAll(digits, positive) { (x, y) =>
+      val numString = x.toString + "-" + y.toString
+      toInt(numString) mustBe Some(x)
+    }
+  }
+}
diff --git a/project/Version.scala b/project/Version.scala
index a6ff555..c384942 100644
--- a/project/Version.scala
+++ b/project/Version.scala
@@ -4,7 +4,7 @@ object Version {
   val config              = "1.3.0"
   val akka                = "2.4.4"
   val scalaTest           = "3.0.0-M15"
-  val scalaCheck          = "1.13.0"
+  val scalaCheck          = "1.12.5"
   val elasticsearch       = "2.2.0"
   val jts                 = "1.13"
   val scale               = "0.0.2"