Lewis and Clark County ZIP Codes

List of ZIP Codes in Lewis and Clark County

The following table lists ZIP Codes associated with Lewis and Clark County, Montana, based on ZIP Code Tabulation Area (ZCTA) data from the U.S. Census Bureau.

S.N.	Zip Code	Latitude	Longitude	City	Population	Density
1	59410	47.49442	-112.64299	Augusta	617	0.2
2	59601	46.54199	-112.17474	Helena	31,822	94.4
3	59602	46.73577	-111.90753	Helena	30,379	22.4
4	59623	46.58991	-112.04068	Helena	0	0.0
5	59625	46.60135	-112.03891	Helena	156	665.1
6	59633	46.82338	-112.36362	Canyon Creek	288	0.5
7	59635	46.5546	-111.81749	East Helena	8,382	40.7
8	59636	46.61614	-112.11399	Fort Harrison	29	3.4
9	59639	47.09436	-112.69371	Lincoln	993	0.6
10	59640	46.76814	-112.34922	Marysville	105	2.0
11	59648	47.07221	-112.14059	Wolf Creek	468	0.3

About Lewis and Clark County ZIP Codes

Lewis and Clark County in Montana (MT) is served by approximately 11 ZIP Codes. These codes cover residential neighborhoods, business districts, and rural areas that fall under the county's jurisdiction.

Based on ZIP-level population estimates, the total population covered by these ZIP Codes is around 73,239 people. Population and density values vary from one ZIP Code to another, reflecting the mix of dense urban communities and lower-density suburban or rural zones.

Many of the most significant population centers in Lewis and Clark County are located in cities such as Helena, East Helena, Lincoln, Augusta, Wolf Creek. These cities and towns help define the economic and demographic character of the county.

Most ZIP Codes in Lewis and Clark County, Montana follow the America/Denver time zone.

Lewis and Clark County ZIP Codes

List of ZIP Codes in Lewis and Clark County

About Lewis and Clark County ZIP Codes

Montana Counties ZIP Codes

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