Residential delivery area · California
ZIP Code 95987: Williams, CA
ZIP code 95987 uses the postal name Williams, California and lies entirely in Colusa County (Census 2020 ZIP-county file). About 6,800 people live there (Census Bureau, ACS 2020-2024). Median household income is $95,122 (Census Bureau, ACS 2020-2024). By Census place, 2% of its land lies in Williams; 98% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Williams · its only residential ZIP
- County
- Colusa County
- Census places
- Williams
- House district
- CA-1 119th Congress
- State
- California
- Time zone
- Pacific
- Land area
- 317.0 sq mi · 21 people per sq mi
Where is ZIP code 95987?
95987 centers on 39.104°, -122.247° and covers 317.0 square miles of land plus 0.1 of water. It borders 5 ZIP codes: 95912, 95679, 95955, 95932, 95979.
The map draws ZIP code areas only. For the streets inside 95987, open its center on OpenStreetMap.
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries and the 2023 Gazetteer (2020 ZCTAs); ZIP-to-county shares, Census places and House districts (119th Congress) from the Census 2020 relationship files (shares of land); metro area from the OMB delineation (July 2023); town name and time zone from simplemaps US ZIP Codes (CC BY 4.0).
How does 95987 compare with the rest of Colusa County?
| Measure | 95987 | In Colusa County | In CA |
|---|---|---|---|
| People (ACS 2020-2024) | 6,786 | 2nd of 9 | 1,082nd of 1,802 |
| Median household income | $95k | 1st of 4 | 637th of 1,189 |
| Median home value | $389k | 3rd of 3 | 1,105th of 1,317 |
Its median household income is higher than in 78% of U.S. residential ZIP codes, and it is denser than 27% of all U.S. residential ZIP codes. ZIP codes at the ACS caps ($250,000 or more for household income, $2,000,000 or more for home value) share the top rank.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B19013, B25077); ranks by PlainZIP over residential ZIP codes (ZCTAs).
How many people live in 95987?
The 2020 Census counted 6,270 people in 95987; the ACS, which samples households over 2020-2024, estimates 6,786. Between the 2010 and 2020 censuses its population grew 4.6% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 6,786
- 2020 Census count
- 6,270+4.6% since 2010 (5,992)
- Households
- 1,928
- Median age
- 32.2
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B01002, B11001); 2020 Census (DHC P1); 2010 Census (SF1 P1).
Who lives in 95987?
Of the 6,786 people the ACS estimates in 95987, 29.6% are under 18 and 10.1% are 65 or older. The largest group by race and Hispanic origin is Hispanic or Latino (78.6%), then White (not Hispanic) (19.4%).
- Under 1829.6%
- 18 to 6460.2%
- 65 and older10.1%
- Hispanic or Latino78.6%
- White, not Hispanic19.4%
- Other or two or more1.9%
- Black, not Hispanic0.0%
- Asian, not Hispanic0.0%
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01001 age by sex, B03002 Hispanic or Latino origin by race); shares of the estimated population, small ZIP codes carry wide margins.
What do households in 95987 earn?
Median household income is $95,122 (ACS 2020-2024), the highest of the 4 ranked ZIP codes in Colusa County. It is not measurably different from 2015-2019 ($81,098 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $95,122±$21,937
- Income per person
- $34,308
- Below the poverty line
- 8.3%
- Unemployed (of the labor force)
- 14.4%
- Adults 25+ with a bachelor's degree
- 14.5%
- Adjusted gross income per tax return, 2022
- $59,2363,040 returns; wages 72% of AGI (IRS)
Source: U.S. Census Bureau, ACS 2020-2024 and 2015-2019 5-year estimates (B19013, B19301, B17001, B23025, B15003; 2015-2019 dollars converted with the BLS CPI-U, 1.22699); IRS Statistics of Income, ZIP code data, tax year 2022 (adjusted gross income per return, filed under the address on the return).
What are homes worth in 95987?
FHFA's house price index for 95987, built from repeat sales and appraisals of the same homes, rose 104% from 2015 to 2025 and rose 40% from 2020 to 2025, and moved +1.2% in 2025.
- Median home value (owners' estimate)
- $388,700
- Median gross rent
- $1,226
- Homes owned by their occupants
- 57.7%
- Housing units
- 2,087
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001); FHFA House Price Index, annual five-digit ZIP, updated 2026-03-31.
What businesses are in 95987?
113 business establishments had a location in this ZIP code in 2023, 10 more than in 2018; the most are in transportation and warehousing (ZIP Code Business Patterns).
- Transportation and warehousing34
- Retail trade18
- Accommodation and food services18
- Other services (except public administration)7
- Agriculture, forestry, fishing and hunting6
- Manufacturing6
Source: U.S. Census Bureau, ZIP Code Business Patterns 2023 and 2018 (establishments with paid employees, by the business's ZIP code).
Which ZIP codes are next to 95987?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 95912 | Arbuckle | 4,855 | $87k | 11.7 mi |
| 95679 | Rumsey | 80 | – | 13.1 mi |
| 95955 | Maxwell | 1,405 | – | 13.4 mi |
| 95932 | Colusa | 7,701 | $67k | 16.0 mi |
| 95979 | Stonyford | 558 | $25k | 17.8 mi |
| 95637 | Guinda | 402 | – | 17.4 mi (near) |
| 95950 | Grimes | 287 | – | 18.1 mi (near) |
| 95607 | Capay | 330 | $149k | 20.0 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.