Sweetwater County, WY ZIP Codes
Wyoming (WY) · 12 ZIP codes · 11 cities
12
ZIP codes
41,614
population (2021)
-5.0%
pop change since 2010
56037
FIPS code
Sweetwater County ZIP code map
About Sweetwater County
Sweetwater County is located in Wyoming and contains 12 ZIP codes across 11 cities and communities.
The county's population was 41,614 as of 2021,
a decrease of
5% from 43,806 in 2010.
The timezone is Pacific Time (observes DST).
The Federal Information Processing System (FIPS) code for Sweetwater County is 56037.
| Population | |
|---|---|
| 2021 population | 41,614 |
| 2010 population | 43,806 |
| Change | -5.0% |
| County details | |
|---|---|
| State | Wyoming |
| FIPS code | 56037 |
| Timezone | Pacific |
| Daylight saving | Yes |
Cities in Sweetwater County
Bairoil
Farson
Granger
Green River
Little America
Mc Kinnon
Point Of Rocks
Reliance
Rock Springs
Superior
Wamsutter
ZIP codes for Sweetwater County, WY (12)
| ZIP code | City | County | Map |
|---|---|---|---|
| 82322 | Bairoil | Sweetwater | View map |
| 82336 | Wamsutter | Sweetwater | View map |
| 82901 | Rock Springs | Sweetwater | View map |
| 82902 | Rock Springs | Sweetwater | View map |
| 82929 | Little America | Sweetwater | View map |
| 82932 | Farson | Sweetwater | View map |
| 82934 | Granger | Sweetwater | View map |
| 82935 | Green River | Sweetwater | View map |
| 82938 | Mc Kinnon | Sweetwater | View map |
| 82942 | Point Of Rocks | Sweetwater | View map |
| 82943 | Reliance | Sweetwater | View map |
| 82945 | Superior | Sweetwater | View map |
Demographics & statistics
40,857
Population
36.8
Median age
$80,048
Median household income
$40,592
Per capita income
$209,467
Median home value
$609
Median monthly rent
70.6%
Home ownership
7.8%
Poverty rate
5.5%
Unemployment
14,062
Housing units
17.5%
Bachelor's or higher
Age distribution
Male
Female
1,176
Under 5
1,241
1,453
5–9
1,534
1,583
10–14
1,671
1,468
15–19
1,550
1,241
20–24
1,310
2,470
25–34
2,607
3,019
35–44
3,185
2,388
45–54
2,519
1,163
55–59
1,228
1,282
60–64
1,353
1,789
65–74
1,887
618
75–84
653
228
85+
241
← Male
Female →
Age summary
| Group | Count | % |
|---|---|---|
| Under 18 | 10,500 | 27.3% |
| 18 and over | 30,357 | 72.7% |
| 65 and over | 5,416 | 14.2% |
| Median age | 36.8 years | |
Race & ethnicity
White
77%
Hispanic or Latino
9.3%
Two or more races
6.9%
Other race
3.9%
Black or African American
1.2%
American Indian / Alaska Native
0.9%
Asian
0.8%
Native Hawaiian / Pacific Islander
0.1%
| Group | Count | % |
|---|---|---|
| White | 34,653 | 77% |
| Hispanic or Latino | 4,172 | 9.3% |
| Two or more races | 3,119 | 6.9% |
| Other race | 1,749 | 3.9% |
| Black or African American | 528 | 1.2% |
| American Indian / Alaska Native | 399 | 0.9% |
| Asian | 361 | 0.8% |
| Native Hawaiian / Pacific Islander | 48 | 0.1% |
Household income
Under $10k
3.4%
$10k–$15k
2.2%
$15k–$25k
6.8%
$25k–$35k
7.3%
$35k–$50k
14.0%
$50k–$75k
16.1%
$75k–$100k
13.7%
$100k–$150k
18.7%
$150k–$200k
11.2%
$200k+
6.7%
| Range | % of households |
|---|---|
| Under $10k | 3.4% |
| $10k–$15k | 2.2% |
| $15k–$25k | 6.8% |
| $25k–$35k | 7.3% |
| $35k–$50k | 14.0% |
| $50k–$75k | 16.1% |
| $75k–$100k | 13.7% |
| $100k–$150k | 18.7% |
| $150k–$200k | 11.2% |
| $200k+ | 6.7% |
| Median income | $80,048 |
Housing
Home values
Under $50k
11.1%
$50k–$100k
11.9%
$100k–$150k
9.6%
$150k–$200k
13.0%
$200k–$300k
26.3%
$300k–$500k
24.4%
$500k–$1M
2.9%
$1M+
0.9%
Housing overview
| Metric | Value |
|---|---|
| Median home value | $209,467 |
| Median rent / month | $609 |
| Owner occupied | 70.6% |
| Renter occupied | 29.4% |
| Vacant | 18.1% |
| Single-family detached | 57.9% |
| Large apartment buildings | 1.7% |
| Mobile homes | 20.4% |
| Median rooms | 5.7 |
| Avg household size (owned) | 2.60 |
Year built
| Era | % |
|---|---|
| 2020 or later | 0.1% |
| 2010–2019 | 6.8% |
| 2000–2009 | 11.8% |
| 1990–1999 | 10.3% |
| 1980–1989 | 16.6% |
| 1970–1979 | 22.7% |
| 1960–1969 | 4.2% |
| 1950–1959 | 8.4% |
| 1940–1949 | 6.9% |
| 1939 or earlier | 12.1% |
Bedrooms
| Size | % of units |
|---|---|
| No bedroom (studio) | 6.0% |
| 1 bedroom | 8.4% |
| 2 bedrooms | 19.5% |
| 3 bedrooms | 43.9% |
| 4 bedrooms | 14.9% |
| 5+ bedrooms | 7.3% |
Vehicles per household
| Vehicles | % of households |
|---|---|
| No vehicle | 1.4% |
| 1 vehicle | 34.7% |
| 2 vehicles | 29.7% |
| 3 or more | 34.2% |
Heating fuel
| Fuel type | % |
|---|---|
| Utility gas | 55.7% |
| Electricity | 11.2% |
| Propane / LP gas | 28.2% |
| Fuel oil | 0.1% |
| Wood | 2.1% |
| No fuel used | 0.1% |
Households & families
| Household type | Count | % |
|---|---|---|
| Married-couple family | 8,110 | 54.1% |
| Cohabiting couple | 920 | 4.7% |
| Male householder, no spouse | 3,515 | 20.0% |
| Female householder, no spouse | 3,248 | 21.1% |
| Households with children under 18 | 5,476 | 32.9% |
| Households with seniors (65+) | 4,030 | 26.9% |
| Average household size | 2.51 | |
Marital status
| Status | Male | Female |
|---|---|---|
| Never married | 23.5% | 22.4% |
| Married | 60.0% | 54.1% |
| Separated | 1.0% | 4.1% |
| Widowed | 2.8% | 10.6% |
| Divorced | 12.7% | 8.8% |
Education
Less than 9th grade
1.6%
Some HS, no diploma
3.7%
HS graduate
31.2%
Some college, no degree
28.5%
Associate's degree
17.6%
Bachelor's degree
12.0%
Graduate / professional
5.4%
| Metric | % |
|---|---|
| HS diploma or higher | 94.7% |
| Bachelor's or higher | 17.5% |
School enrollment (ages 3–17)
| Type | Count | % |
|---|---|---|
| Nursery / preschool | 761 | 4.6% |
| Kindergarten | 760 | 5.3% |
| Elementary school | 4,481 | 40.3% |
| High school | 2,779 | 23.9% |
| College / grad school | 2,127 | 25.9% |
Employment
Industry of employment
Education & healthcare
19.9%
Agriculture & mining
17.0%
Transportation & utilities
15.4%
Arts, food & hospitality
10.7%
Retail trade
10.1%
Professional & management
7.6%
Construction
4.5%
Manufacturing
3.8%
Public administration
3.6%
Finance & real estate
3.0%
Other services
2.1%
Wholesale trade
1.2%
Information
1.2%
Occupation
| Category | % |
|---|---|
| Management, business & arts | 34.2% |
| Service | 13.6% |
| Sales & office | 22.8% |
| Natural resources & construction | 16.5% |
| Production & transportation | 12.9% |
Employment type
| Type | % |
|---|---|
| Private sector | 74.7% |
| Government | 19.8% |
| Self-employed | 5.3% |
| Unpaid family workers | 0.2% |
Commute
| Method | % |
|---|---|
| Drive alone | 64.6% |
| Carpool | 10.0% |
| Public transit | 1.9% |
| Walk | 17.8% |
| Other means | 0.6% |
| Avg commute (minutes) | 26.2 |
Poverty
All people
7.8%
Under 18 years
9.3%
18 and over
7.3%
Married-couple families
3.6%
Female-led households
15.3%
Income support
| Source | % of households |
|---|---|
| Social Security | 27.9% |
| Retirement income | 25.6% |
| Supplemental Security | 2.1% |
| Cash public assistance | 0.9% |
| Food stamps / SNAP | 4.0% |
Health indicators
| Condition | % |
|---|---|
| High blood pressure | 25.9% |
| High cholesterol | 26.7% |
| Heart disease | 4.9% |
| Stroke | 2.4% |
| Asthma | 9.4% |
| Arthritis | 19.7% |
| Kidney disease | 2.3% |
| Pulmonary disease | 5.9% |
| Cancer | 5.7% |
| Behavior / access | % |
|---|---|
| Binge drinking | 18.7% |
| No physical activity | 22.6% |
| Less than 7 hrs sleep | 30.1% |
| Fair or poor health | 11.7% |
| Poor mental health | 14.0% |
| Poor physical health | 8.9% |
| No health insurance | 16.6% |
| Visited doctor (checkup) | 65.4% |
| Visited dentist | 67.0% |
| Cholesterol screening | 87.8% |
| Teeth loss | 15.5% |
Veterans & disability
| Veterans | Count | % |
|---|---|---|
| Civilian veterans | 2,945 | 12.9% |
| Disability | % |
|---|---|
| Any disability | 18.4% |
| Under 18 | 4.1% |
| 18–64 years | 21.6% |
| 65 and over | 35.7% |
Health insurance coverage
| Type | % |
|---|---|
| Private insurance | 62.7% |
| Public insurance | 28.3% |
| Uninsured under 19 | 9.5% |
Language & origin
Language spoken at home (age 5+)
| Language | Count | % |
|---|---|---|
| English only | 38,440 | 91.4% |
| Spanish | 1,441 | 2.3% |
| Other Indo-European | 1,157 | 1.9% |
| Asian & Pacific Islander | 84 | 0.1% |
| Other languages | 194 | 0.2% |
Place of birth & citizenship
| Origin | Count | % |
|---|---|---|
| Native born (US) | 38,509 | 96.5% |
| Born in same state | 37,920 | 95.6% |
| Born in different state | 18,064 | 48.6% |
| Foreign born | 589 | 0.9% |
| Naturalized citizen | 2,348 | 3.5% |
| Not a US citizen | 805 | 24.5% |
Ancestry
| Ancestry | Count | % |
|---|---|---|
| French | 6,025 | 14.7% |
| Italian | 2,906 | 7.1% |
| Arab | 2,685 | 6.6% |
| Polish | 870 | 2.1% |
| Dutch | 579 | 1.4% |
| Ancestry | Count | % |
|---|---|---|
| English | 532 | 1.3% |
| Norwegian | 111 | 0.3% |
| Irish | 92 | 0.2% |
| German | 90 | 0.2% |
Technology access
| Metric | % of households |
|---|---|
| Computer access | 39.7% |
| Internet access | 96.9% |
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
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