98556 ZIP Code
English Español
ZIP code 98556 covers Littlerock, Washington, with a population of about 402.
- Population
- 4023,367 per square mile
- Median age
- 35.73 points below the US average
- Degree or higher
- 0%35 points below the US average
- Time zone
- Pacific UTC-08:00observes daylight saving time
- Businesses
- 3
Where 98556 is
Littlerock, Washington — the point the Postal Service gives for this ZIP code. A ZIP code is a set of delivery routes rather than an area, so this marks its centre, not its boundary.
People and households
American Community Survey 2019–2023 five-year estimates
| Population | 402 |
|---|---|
| Median age | 35.7 |
| Born outside the US | 1% |
| Speaks a language other than English at home | 5.2% |
| White (non-Hispanic) | 48.8% |
| Black (non-Hispanic) | 25.4% |
| Asian (non-Hispanic) | 5.5% |
| Hispanic or Latino | 6% |
| Veterans | 1.7% |
Work, commuting and education
American Community Survey 2019–2023 five-year estimates
| Bachelor's degree or higher | 0% |
|---|---|
| High school diploma or higher | 94.6% |
Health
CDC PLACES 2025 release, model-based estimates. These are modelled small-area estimates for adults, not counts of diagnosed cases.
| Obesity | 36.9% 3.5 pts above the national average of 33.4% |
|---|---|
| Diagnosed diabetes | 7.6% 4.4 pts below the national average of 12% |
| Currently smokes | 15.4% 2.2 pts above the national average of 13.2% |
| High blood pressure | 29.8% 4.3 pts below the national average of 34.1% |
| Fair or poor general health | 17.4% 2.9 pts below the national average of 20.3% |
| No health insurance (18–64) | 10.7% 0.6 pts below the national average of 11.3% |
| Depression | 23.7% 1.8 pts above the national average of 21.9% |
| No leisure-time physical activity | 16.1% 9.3 pts below the national average of 25.4% |
| Arthritis | 15.6% 9.5 pts below the national average of 25.1% |
| Binge drinking | 22.4% 6.4 pts above the national average of 16% |
| Taking blood pressure medication | 50.9% 23.8 pts below the national average of 74.7% |
| Cancer (non-skin) | 3.4% 4.3 pts below the national average of 7.7% |
| Current asthma | 9.2% 1.2 pts below the national average of 10.4% |
| Coronary heart disease | 3.4% 2.8 pts below the national average of 6.2% |
| Routine check-up in past year | 56.9% 19.8 pts below the national average of 76.7% |
| Cholesterol screening | 73.2% 12.7 pts below the national average of 85.9% |
| Cognitive disability | 16.4% 1.6 pts above the national average of 14.8% |
| Colorectal screening | 55.5% 8.8 pts below the national average of 64.3% |
| COPD | 3.5% 3.1 pts below the national average of 6.6% |
| Visited a dentist | 55.5% 5.8 pts below the national average of 61.3% |
| Any disability | 27.2% 3.5 pts below the national average of 30.7% |
| Hearing disability | 4.6% 2.1 pts below the national average of 6.7% |
| High cholesterol | 26.8% 9.4 pts below the national average of 36.2% |
| Independent living disability | 6.6% 1.8 pts below the national average of 8.4% |
| Mammography use | 72.3% 3.6 pts below the national average of 75.9% |
| Poor mental health (14+ days) | 18.9% 2.1 pts above the national average of 16.8% |
| Mobility disability | 7% 7 pts below the national average of 14% |
| Poor physical health (14+ days) | 11.8% 1.7 pts below the national average of 13.5% |
| Self-care disability | 3% 1 pts below the national average of 4% |
| Sleeps under 7 hours | 43.2% 6.8 pts above the national average of 36.4% |
| Stroke | 2% 1.4 pts below the national average of 3.4% |
| All natural teeth lost | 11% 2 pts below the national average of 13% |
| Vision disability | 3.8% 1.8 pts below the national average of 5.6% |
Business and employment
Census ZIP Code Business Patterns 2022
| Business establishments | 3 |
|---|---|
| People employed | 40 |
| Annual payroll | $1,961,000 |
Natural hazard risk
FEMA National Risk Index, estimated for this ZIP code from census tract data — the NRI is not published per ZIP.
| Overall risk | Higher than 78.5% of US census tracts |
|---|---|
| FEMA rating | Relatively Moderate to Relatively High across the 2 census tracts this ZIP code covers |
| Expected annual loss | 86.4 out of 100 |
| Community resilience | 53.1 out of 100 |
By hazard
Score is out of 100 and is the area-weighted average across the census tracts this ZIP code covers. The rating beside it is the highest any one of those tracts carries.
| Landslide | 99.5Relatively High at its worst in this ZIP code |
|---|---|
| Earthquake | 90.5Relatively High at its worst in this ZIP code |
| Volcanic activity | 83.3Relatively Low at its worst in this ZIP code |
| Wildfire | 78.7Relatively Low at its worst in this ZIP code |
| River flooding | 77.8Very High at its worst in this ZIP code |
| Heat wave | 55.7Relatively Moderate at its worst in this ZIP code |
| Winter weather | 36.6Relatively Low at its worst in this ZIP code |
| Ice storm | 36Relatively Low at its worst in this ZIP code |
| Strong wind | 21.2Relatively Low at its worst in this ZIP code |
| Drought | 17Very Low at its worst in this ZIP code |
| Tornado | 14.7Very Low at its worst in this ZIP code |
| Hail | 10.6Very Low at its worst in this ZIP code |
| Lightning | 10.4Very Low at its worst in this ZIP code |
| Avalanche | 1.9Very Low at its worst in this ZIP code |
Compared with Washington and the United States
State and national columns are figures for those areas, not for this ZIP code. American Community Survey 2019–2023 five-year estimates
| This ZIP | Washington | United States | |
|---|---|---|---|
| Median household income | — | $94,952 | $78,538 |
| Income per person | — | $51,493 | $43,289 |
| Poverty rate | — | 9.9% | 12.4% |
| Median home value | — | $519,800 | $303,400 |
| Median gross rent | — | $1,682 | $1,348 |
| Homeownership | — | 63.9% | 65% |
| Bachelor's degree or higher | 0% | 38.8% | 35% |
| Unemployment rate | — | 5% | 5.2% |
| Works from home | — | 17.7% | 13.5% |
| Born outside the US | 1% | 15.1% | 13.9% |
| Median age | 35.7 | 38.2 | 38.7 |
Climate
NOAA US Climate Normals 1991-2020, from the nearest weather station with a full year of records. The station and its distance are named above, because a station forty kilometres away describes somewhere else.
| Weather station | OLYMPIA AP, WA US11.7 km away |
|---|---|
| Rain in a year | 51 in |
| Snow in a year | 4 in |
Average high and low by month
| January | 46°F / 33.2°F7.8 in rain, 2 in snow |
|---|---|
| February | 49.1°F / 32.3°F5.09 in rain, 0.6 in snow |
| March | 53.7°F / 34.5°F5.68 in rain, 0.1 in snow |
| April | 58.9°F / 37.5°F3.67 in rain |
| May | 66.1°F / 43°F2.26 in rain |
| June | 70.8°F / 47.4°F1.46 in rain |
| July | 77.6°F / 50.7°F0.53 in rain |
| August | 78°F / 50.5°F0.96 in rain |
| September | 72.1°F / 46.2°F2.04 in rain |
| October | 60.2°F / 40.5°F5.07 in rain |
| November | 50.6°F / 35.8°F8.21 in rain |
| December | 44.9°F / 32.8°F7.85 in rain, 1.2 in snow |
Access to food
USDA Food Access Research Atlas, estimated for this ZIP code from census tract data. Each figure is the share of the ZIP code's land area that falls in a tract carrying that flag.
| Low income and far from a supermarket | None of this ZIP code |
|---|---|
| Far from a supermarket | None of this ZIP code |
| No vehicle and far from a supermarket | None of this ZIP code |
School districts
NCES Geographic Relationship File 2025, which states the association between each district and each ZIP code tabulation area directly. Elementary and secondary districts can cover the same ground, so shares need not total 100%.
| Rochester School District | 100% of this ZIP code's land area |
|---|
Community and walkability
CDC/ATSDR Social Vulnerability Index 2022 and the EPA National Walkability Index, both estimated for this ZIP code from census tract data. Vulnerability figures are national percentile ranks, not measurements.
| Overall social vulnerability | 31more vulnerable than 31% of US census tracts |
|---|---|
| Socioeconomic status | 14more vulnerable than 14% of US census tracts |
| Household characteristics | 39more vulnerable than 39% of US census tracts |
| Racial and ethnic minority status | 40more vulnerable than 40% of US census tracts |
| Housing type and transport | 59more vulnerable than 59% of US census tracts |
| Walkability | 3.7 out of 20Least walkable |
Nearby ZIP codes
The closest ZIP codes by centre point, which is not the same as sharing a border.
| 98512 Olympia, WA | 5.3 km away |
|---|---|
| 98511 Tumwater, WA | 6.6 km away |
| 98579 Rochester, WA | 9.4 km away |
| 98589 Tenino, WA | 13.4 km away |
| 98530 Bucoda, WA | 16 km away |
| 98501 Olympia, WA | 16.3 km away |
| 98504 Olympia, WA | 17.5 km away |
| 98507 Olympia, WA | 17.5 km away |
Location, counties and time zone
County shares from Census 2020 ZCTA relationship files. Time zone from the USDOT National Transportation Atlas, which renders the boundaries written into 49 CFR Part 71.
| Thurston County | 100% of this ZIP code's land area |
|---|---|
| Time zone | Pacific (UTC-08:00 standard) |
| Daylight saving time | Observed |
| Land area | 0.12 sq mi |
| Population density | 3,367 people per sq mi |
| Latitude, longitude | 46.9024, -123.0170 |
Figures are published for this ZIP code or its Census tabulation area unless a section says otherwise. Estimates whose margin of error made them unreliable are omitted rather than shown. Sources: US Census Bureau, CDC, IRS.