Lewis And Clark County, MT ZIP Codes
Montana (MT) · 15 ZIP codes · 8 cities
15
ZIP codes
72,223
population (2021)
+13.9%
pop change since 2010
30049
FIPS code
Lewis And Clark County ZIP code map
About Lewis And Clark County
Lewis And Clark County is located in Montana and contains 15 ZIP codes across 8 cities and communities.
The county's population was 72,223 as of 2021,
an increase of
13.9% from 63,395 in 2010.
The timezone is Pacific Time (observes DST).
The Federal Information Processing System (FIPS) code for Lewis And Clark County is 30049.
| Population | |
|---|---|
| 2021 population | 72,223 |
| 2010 population | 63,395 |
| Change | +13.9% |
| County details | |
|---|---|
| State | Montana |
| FIPS code | 30049 |
| Timezone | Pacific |
| Daylight saving | Yes |
Cities in Lewis And Clark County
ZIP codes for Lewis And Clark County, MT (15)
| ZIP code | City | County | Map |
|---|---|---|---|
| 59410 | Augusta | Lewis And Clark | View map |
| 59601 | Helena | Lewis And Clark | View map |
| 59602 | Helena | Lewis And Clark | View map |
| 59604 | Helena | Lewis And Clark | View map |
| 59620 | Helena | Lewis And Clark | View map |
| 59623 | Helena | Lewis And Clark | View map |
| 59624 | Helena | Lewis And Clark | View map |
| 59625 | Helena | Lewis And Clark | View map |
| 59626 | Helena | Lewis And Clark | View map |
| 59633 | Canyon Creek | Lewis And Clark | View map |
| 59635 | East Helena | Lewis And Clark | View map |
| 59636 | Fort Harrison | Lewis And Clark | View map |
| 59639 | Lincoln | Lewis And Clark | View map |
| 59640 | Marysville | Lewis And Clark | View map |
| 59648 | Wolf Creek | Lewis And Clark | View map |
Demographics & statistics
70,970
Population
41.2
Median age
$75,466
Median household income
$41,199
Per capita income
$301,986
Median home value
$691
Median monthly rent
74.8%
Home ownership
10.1%
Poverty rate
1.9%
Unemployment
24,179
Housing units
31.0%
Bachelor's or higher
Age distribution
Male
Female
2,077
Under 5
1,828
2,119
5–9
1,865
2,515
10–14
2,214
2,196
15–19
1,934
2,065
20–24
1,819
4,527
25–34
3,986
4,941
35–44
4,351
4,464
45–54
3,930
2,904
55–59
2,557
2,653
60–64
2,336
4,588
65–74
4,040
2,130
75–84
1,876
561
85+
494
← Male
Female →
Age summary
| Group | Count | % |
|---|---|---|
| Under 18 | 15,142 | 13.8% |
| 18 and over | 55,828 | 86.2% |
| 65 and over | 13,689 | 26.6% |
| Median age | 41.2 years | |
Race & ethnicity
White
90.1%
Two or more races
4.6%
Hispanic or Latino
2.2%
American Indian / Alaska Native
1.3%
Asian
0.7%
Other race
0.6%
Black or African American
0.6%
| Group | Count | % |
|---|---|---|
| White | 65,394 | 90.1% |
| Two or more races | 3,345 | 4.6% |
| Hispanic or Latino | 1,579 | 2.2% |
| American Indian / Alaska Native | 913 | 1.3% |
| Asian | 480 | 0.7% |
| Other race | 432 | 0.6% |
| Black or African American | 406 | 0.6% |
Household income
Under $10k
3.5%
$10k–$15k
5.2%
$15k–$25k
9.5%
$25k–$35k
6.2%
$35k–$50k
10.9%
$50k–$75k
20.7%
$75k–$100k
10.7%
$100k–$150k
13.9%
$150k–$200k
12.8%
$200k+
6.6%
| Range | % of households |
|---|---|
| Under $10k | 3.5% |
| $10k–$15k | 5.2% |
| $15k–$25k | 9.5% |
| $25k–$35k | 6.2% |
| $35k–$50k | 10.9% |
| $50k–$75k | 20.7% |
| $75k–$100k | 10.7% |
| $100k–$150k | 13.9% |
| $150k–$200k | 12.8% |
| $200k+ | 6.6% |
| Median income | $75,466 |
Housing
Home values
Under $50k
3.8%
$50k–$100k
4.9%
$100k–$150k
7.3%
$150k–$200k
7.9%
$200k–$300k
27.7%
$300k–$500k
34.6%
$500k–$1M
11.9%
$1M+
1.9%
Housing overview
| Metric | Value |
|---|---|
| Median home value | $301,986 |
| Median rent / month | $691 |
| Owner occupied | 74.8% |
| Renter occupied | 25.2% |
| Vacant | 29.0% |
| Single-family detached | 76.4% |
| Large apartment buildings | 1.2% |
| Mobile homes | 13.9% |
| Median rooms | 5.2 |
| Avg household size (owned) | 2.19 |
Year built
| Era | % |
|---|---|
| 2020 or later | 0.5% |
| 2010–2019 | 7.8% |
| 2000–2009 | 14.1% |
| 1990–1999 | 16.9% |
| 1980–1989 | 16.1% |
| 1970–1979 | 16.1% |
| 1960–1969 | 6.5% |
| 1950–1959 | 5.3% |
| 1940–1949 | 5.4% |
| 1939 or earlier | 11.3% |
Bedrooms
| Size | % of units |
|---|---|
| No bedroom (studio) | 2.5% |
| 1 bedroom | 18.5% |
| 2 bedrooms | 28.0% |
| 3 bedrooms | 33.3% |
| 4 bedrooms | 12.9% |
| 5+ bedrooms | 4.7% |
Vehicles per household
| Vehicles | % of households |
|---|---|
| No vehicle | 4.3% |
| 1 vehicle | 17.4% |
| 2 vehicles | 42.7% |
| 3 or more | 35.6% |
Heating fuel
| Fuel type | % |
|---|---|
| Utility gas | 29.0% |
| Electricity | 17.4% |
| Propane / LP gas | 30.7% |
| Wood | 19.6% |
| Solar | 0.4% |
| No fuel used | 0.5% |
Households & families
| Household type | Count | % |
|---|---|---|
| Married-couple family | 14,375 | 51.9% |
| Cohabiting couple | 2,238 | 6.5% |
| Male householder, no spouse | 5,874 | 22.3% |
| Female householder, no spouse | 7,586 | 19.3% |
| Households with children under 18 | 8,094 | 16.4% |
| Households with seniors (65+) | 9,588 | 41.6% |
| Average household size | 2.12 | |
Marital status
| Status | Male | Female |
|---|---|---|
| Never married | 21.8% | 11.8% |
| Married | 55.5% | 57.5% |
| Separated | 1.1% | 0.7% |
| Widowed | 5.1% | 16.9% |
| Divorced | 16.5% | 13.1% |
Education
Less than 9th grade
0.9%
Some HS, no diploma
5.5%
HS graduate
29.5%
Some college, no degree
24.0%
Associate's degree
9.1%
Bachelor's degree
20.6%
Graduate / professional
10.4%
| Metric | % |
|---|---|
| HS diploma or higher | 93.6% |
| Bachelor's or higher | 31.0% |
School enrollment (ages 3–17)
| Type | Count | % |
|---|---|---|
| Nursery / preschool | 944 | 4.2% |
| Kindergarten | 1,042 | 7.6% |
| Elementary school | 6,750 | 39.3% |
| High school | 2,818 | 30.8% |
| College / grad school | 3,532 | 18.2% |
Employment
Industry of employment
Education & healthcare
21.3%
Arts, food & hospitality
15.3%
Public administration
11.9%
Professional & management
9.4%
Agriculture & mining
9.4%
Construction
9.3%
Retail trade
6.7%
Finance & real estate
4.6%
Manufacturing
4.6%
Other services
3.2%
Transportation & utilities
2.9%
Information
0.9%
Wholesale trade
0.5%
Occupation
| Category | % |
|---|---|
| Management, business & arts | 36.5% |
| Service | 18.1% |
| Sales & office | 22.9% |
| Natural resources & construction | 12.7% |
| Production & transportation | 9.8% |
Employment type
| Type | % |
|---|---|
| Private sector | 60.5% |
| Government | 28.8% |
| Self-employed | 9.5% |
| Unpaid family workers | 1.1% |
Commute
| Method | % |
|---|---|
| Drive alone | 63.3% |
| Carpool | 16.1% |
| Public transit | 0.2% |
| Walk | 4.1% |
| Other means | 1.5% |
| Avg commute (minutes) | 22.6 |
Poverty
All people
10.1%
Under 18 years
9.8%
18 and over
9.5%
Married-couple families
2.8%
Female-led households
14.6%
Income support
| Source | % of households |
|---|---|
| Social Security | 43.2% |
| Retirement income | 26.2% |
| Supplemental Security | 4.3% |
| Cash public assistance | 1.0% |
| Food stamps / SNAP | 9.0% |
Health indicators
| Condition | % |
|---|---|
| High blood pressure | 31.8% |
| High cholesterol | 33.2% |
| Heart disease | 6.5% |
| Stroke | 3.0% |
| Asthma | 10.0% |
| Arthritis | 27.2% |
| Kidney disease | 2.9% |
| Pulmonary disease | 6.9% |
| Cancer | 7.4% |
| Behavior / access | % |
|---|---|
| Binge drinking | 20.0% |
| No physical activity | 19.4% |
| Less than 7 hrs sleep | 28.7% |
| Fair or poor health | 12.5% |
| Poor mental health | 12.5% |
| Poor physical health | 10.4% |
| No health insurance | 10.5% |
| Visited doctor (checkup) | 73.6% |
| Visited dentist | 65.1% |
| Cholesterol screening | 90.1% |
| Teeth loss | 11.6% |
Veterans & disability
| Veterans | Count | % |
|---|---|---|
| Civilian veterans | 6,006 | 13.0% |
| Disability | % |
|---|---|
| Any disability | 15.8% |
| Under 18 | 4.6% |
| 18–64 years | 12.7% |
| 65 and over | 30.6% |
Health insurance coverage
| Type | % |
|---|---|
| Private insurance | 69.5% |
| Public insurance | 43.5% |
| Uninsured under 19 | 10.0% |
Language & origin
Language spoken at home (age 5+)
| Language | Count | % |
|---|---|---|
| English only | 67,065 | 96.7% |
| Spanish | 412 | 0.2% |
| Other Indo-European | 70 | 0.0% |
| Asian & Pacific Islander | 212 | 0.1% |
| Other languages | 89 | 0.0% |
Place of birth & citizenship
| Origin | Count | % |
|---|---|---|
| Native born (US) | 69,640 | 98.7% |
| Born in same state | 69,157 | 98.4% |
| Born in different state | 37,560 | 48.0% |
| Foreign born | 483 | 0.2% |
| Naturalized citizen | 1,330 | 1.3% |
| Not a US citizen | 738 | 57.5% |
Ancestry
| Ancestry | Count | % |
|---|---|---|
| Italian | 11,528 | 16.2% |
| French | 10,251 | 14.4% |
| Polish | 5,387 | 7.6% |
| Arab | 4,066 | 5.7% |
| English | 1,094 | 1.5% |
| Ancestry | Count | % |
|---|---|---|
| Dutch | 441 | 0.6% |
| German | 405 | 0.6% |
| Irish | 243 | 0.3% |
| Norwegian | 153 | 0.2% |
Technology access
| Metric | % of households |
|---|---|
| Computer access | 47.4% |
| Internet access | 90.5% |
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
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