County

Lewis and Clark County, MT

15 ZIP codes  ·  8 cities  ·  Montana

👥73,239Population
💰$77,489Median HH Income≈ Avg
🎂41.3Median Age
🏠$359,277Median Home Value▲ 29% above avg
🎓54.1%College Grads▲ 40% above avg
📊3.4%Unemployment▼ 30% below avg
People & Population (ACS 2023 — weighted avg)
♂ Male 49.9% Female 50.1% ♀

Race & Ethnicity

White: 89.3%Hispanic: 3.9%Black: 0.6%Asian: 0.6%Other: 4.5%Race
White89.3%
Hispanic3.9%
Black0.6%
Asian0.6%
Other4.5%

Age Breakdown

Under 5
5%
5–17
16%
18–24
8%
25–44
25%
45–64
26%
65+
10%

Key Indicators

Median Age41.3 yrs
Avg HH Size2.10
Below Poverty8.5% ▼ 15% below avg
College Grads54.1% ▲ 40% above avg
Unemployment3.4% ▼ 30% below avg
No HS Diploma145 (0.3%)
HS Graduate10,719 (21.6%)
Some College5,516 (11.1%)
Associates6,461 (13%)
Bachelors5,127 (10.3%)
Graduate Degree21,667 (43.7%)

Education

No HS: 0.3%HS Grad: 21.6%Some College: 11.1%Associates: 13%Bachelors: 10.3%Graduate: 43.7%Edu
No HS0.3%
HS Grad21.6%
Some College11.1%
Associates13.0%
Bachelors10.3%
Graduate43.7%
Housing & Income

Housing Tenure

Owner: 71%Renter: 29%Tenure
Owner71.0%
Renter29.0%

Home Value Distribution

Under $50k
5%
$50k–$100k
3%
$100k–$150k
2%
$150k–$200k
5%
$200k–$300k
20%
$300k–$500k
44%
Over $500k
21%

Financials

Median HH Income$77,489 ≈ Avg
Median Home Value$359,276 ▲ 29% above avg
Home/Income Ratio4.6x (nat avg ~3.5x)
Median Rent$1,127/mo
Total Housing Units33,955
Vacant Units3,149

Income Distribution

Under $25k
13%
$25k–$50k
17%
$50k–$75k
19%
$75k–$100k
14%
$100k–$150k
19%
$150k–$200k
10%
Over $200k
9%
Employment & Commute

How People Get to Work

Drove Alone
80%
Public Transit
0%
Walked
5%
Work From Home
15%

Commute Time

Under 15 min
43%
15–30 min
42%
30–45 min
10%
Over 45 min
5%
Housing Stock

Year Built

Before 1940
2%
1940s–1950s
7%
1960s–1970s
16%
1980s–1990s
16%
2000+
60%
About Lewis and Clark County, MT

Lewis and Clark County is located in Montana and encompasses 15 ZIP codes spanning 8 cities and communities. The county has an estimated population of 73,239 residents. With a median age of 41.26, it is a middle-aged county.

Lewis and Clark County has a middle-income economic profile. The median household income of $77,489 is near the national average. Unemployment stands at 3.4%, below the national average. The poverty rate of 8.5% is near the national average.

Housing in Lewis and Clark County is a mid-range housing market, with a median home value of $359,276 — above the national average. Monthly median rent is approximately $1,126. Homeownership rates are high at 71.0%, reflecting a largely residential, stable population.

The residents of Lewis and Clark County are primarily White (89.29%). Educational attainment is well-educated — 54.1% of adults hold a bachelor's degree or higher, above the national average.

Lewis and Clark County, MT is a middle-income area in Montana. The 15 ZIP codes within the county each have their own character — browse the full list below to find the right community, whether you're looking for affordable housing, strong schools, or economic opportunity.

ZIP Codes in Lewis and Clark County
ZIPCityPopulationMedian IncomeMedian HomeMedian RentUnemp.College
59410 Augusta 617 $34,125 $227,700 $837 0.0% 27.1%
59635 East Helena 8,382 $73,664 $356,200 $998 2.3% 48.2%
59601 Helena 31,822 $70,502 $355,000 $1,023 2.9% 61.5%
59602 Helena 30,379 $87,841 $369,800 $1,291 4.5% 49.7%
59639 Lincoln 993 $46,284 $294,300 $764 1.0% 43.0%
59640 Marysville 105 $95,250 $275,000 0.0% 46.4%
59648 Wolf Creek 468 $68,542 $321,400 $957 0.0% 27.3%