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History · Walnut Grove

Walnut Grove’s post office opened in 1856, and 52% of its homes were built before 1940

7 places in town are on the National Register, among them the Locke Historic District, a National Historic Landmark, and four historic districts with 120 buildings between them. Below: old-book passages.

1856first post office
7on the National Register
52%homes built before 1940
2famous people
Quick answers

How Walnut Grove began

When was Walnut Grove founded?

1856

The Walnut Grove post office opened in 1856, the earliest record of the town by name. Another post office, Locke (1916), opened inside today’s town and later closed.

2020 census: 1,452170 years
Founding year: the first Walnut Grove post office (Blevins & Helbock, CC0).The full story ↓

What stands out about Walnut Grove’s past

Read from the archive, the National Register and the record. The page puts what stands out first.

★ What stands out · Help out

Start Walnut Grove’s collection

The first neighbors to add old photos shape how Walnut Grove’s history is told.

Decades since 1900 with photos
00s10s20s30s40s50s60s70s80s90s
0 of 10 decades. The empty ones are waiting for someone’s album.
On the National Register

7 listings protect 124 historic buildings

The country’s official list of buildings and places worth saving. One is a National Historic Landmark, the highest tier.

places listed
7
National Historic Landmark
1
Locke Historic District
historic buildings protected
124
each building in a district counts
first listed
1971
Locke Historic District
BuildingsDistricts★ landmark

Architectural styles listings

Late 19th and Early 20th Century American Movements2
Commercial Style2
Craftsman2
Late 19th and 20th Century Revivals2
Neo-Classical1
Modern Movement1
All 7 listings

National Park Service, National Register of Historic Places. Photos from Wikimedia Commons, credited on each place’s page.

The story

How Walnut Grove came to be

From Wikipedia’s history of Walnut Grove.

Read it all →

Established in 1851 by John W. Sharp, Walnut Grove is one of the earliest Chinese American settlements along the Sacramento River. Many of the original settlers were forced to Walnut Grove, after their previous homes and towns were burnt down. The city was rented to the Chinese by John Wesley Sharp.

Text from Wikipedia, licensed CC BY-SA 4.0.

From the old history books

What they wrote about Walnut Grove, 1913–1923

Passages that mention Walnut Grove, cut from the printed page as they were published.

Sutter island has been under process of reclamation for many years, and is now largely under cultivation. Walnut Grove was settled by John W. Sharp in the fall of 1851, and there has been a postoffice there since 1855 or 1856. It is situated at the junction of Georgiana Slough with the Sacramento r…
History of Sacramento County, California, with biographical sketches of the leading men and women of the county who have been identified with its growth and development from the early days to the present1913 · page 330Read the page →
Read the text

Sutter island has been under process of reclamation for many years, and is now largely under cultivation. Walnut Grove was settled by John W. Sharp in the fall of 1851, and there has been a postoffice there since 1855 or 1856. It is situated at the junction of Georgiana Slough with the Sacramento river. It has a wharf at which the steamers stop going both ways, also a store, schoolhouse, a hotel and a hall. It is a point from which much produce is shipped. The growing of asparagus and celery has expanded very fast within the past

Text read by machine from the scan; it may contain errors.
Sutter island has been under process of reclamation for tnany years, and is now largely under cultivation. Walnut Grove was settled by John W. Sharp in the fall of 1851, and there has been a postoffice there since 1855 or 1856. It is situated at the junction of Georgiana Slough with the Sacramento …
History of Sacramento County, California1913 · page 330Read the page →
Read the text

Sutter island has been under process of reclamation for tnany years, and is now largely under cultivation. Walnut Grove was settled by John W. Sharp in the fall of 1851, and there has been a postoffice there since 1855 or 1856. It is situated at the junction of Georgiana Slough with the Sacramento river. It has a wharf at which the steamers stop going both ways, also a store, schoolhouse, a hotel and a hall. It is a point from which much produce is shipped. The growing of asparagus and celery has expanded very fast within the past

Text read by machine from the scan; it may contain errors.
Grove. He also conducted the first hotel there, and an old document dated 1859 mentions this as the first polling place in the town. He built and ran the first store in Walnut Grove, erected the first residence, did the first farming in the vicinity, and ran the first ferry-boat across the Georgian…
History of Sacramento County, California, with biographical sketches of the leading men and women of the county who have been identified with its growth and development from the early days to the present1923 · page 504Read the page →
Read the text

Grove. He also conducted the first hotel there, and an old document dated 1859 mentions this as the first polling place in the town. He built and ran the first store in Walnut Grove, erected the first residence, did the first farming in the vicinity, and ran the first ferry-boat across the Georgiana Slough to Andrus Island. Through Mr. Sharp's efforts, the post-office was established at Walnut Grove; and he was ap-

Text read by machine from the scan; it may contain errors.
Mr. Brown is the founder of the Bank of Alexander Brown, of Walnut Grove, of which he has been president since its beginning, in 1914, when he erected the bank building; and in 1915 he purchased the business block in which he conducted his general merchandise business. The new Walnut Grove Hotel wa…
History of Sacramento County, California, with biographical sketches of the leading men and women of the county who have been identified with its growth and development from the early days to the present1923 · page 309Read the page →
Read the text

Mr. Brown is the founder of the Bank of Alexander Brown, of Walnut Grove, of which he has been president since its beginning, in 1914, when he erected the bank building; and in 1915 he purchased the business block in which he conducted his general merchandise business. The new Walnut Grove Hotel was one year in building, and in 1918 it was finished at a cost of $120,000, for building and furniture. It is

Text read by machine from the scan; it may contain errors.

Scans and text from the Internet Archive. Books published in 1930 or earlier, which are in the public domain.

Timeline

Walnut Grove, 1856 to 1990

Woven from the archive, old maps, post office records, the National Register and the people born here.

  1. 19th century
  2. 1856Post officeThe Walnut Grove post office opens
  3. 1892Post officeThe Ryde post office opens
  4. 20th century
  5. 1916Post officeThe Locke post office opens
  6. 1941Born hereMike Honda is born here
  7. 1961Born hereBo Eason is born here
  8. 1963Post officeThe Locke post office closes
  9. 1990LandmarkLocke Historic District named a National Historic Landmark
By decade

Walnut Grove, decade by decade

Famous people

2 famous people were born in Walnut Grove

Writers, athletes, leaders and more, ranked by how widely they’re known.

See all →
Places that used to be

Lost post offices and old corners

Walnut Grove’s post office has been open since 1856. Another post office, Locke, opened and closed inside today’s town.

Walnut Grove
1856–today
Ryde
1892–today
Locke
1916–1963
18501940today
Hamlets and corners on the map
LockeRyde

US Post Offices dataset (Blevins & Helbock, CC0). Places and cemeteries from the USGS Geographic Names Information System (2021).

Questions about Walnut Grove’s history

What year was Walnut Grove founded?

The Walnut Grove post office opened in 1856, the earliest record of the town by name (U.S. post office records).

What is on the National Register in Walnut Grove?

7 listings: 3 buildings and 4 historic districts with 120 contributing buildings. 124 historic buildings in all.

Memory lane

What the archives can’t tell you, neighbors can.

Town Square →
Start a conversation
Sources

Where this page comes from

Founding dates: Wikidata, Wikipedia, the U.S. post office records of Blevins & Helbock (CC0) and the Census. Homes by year built: Census ACS 2020–24. National Register of Historic Places: National Park Service (list of May 22, 2026). Old photos, postcards and papers: Wikimedia Commons, the Library of Congress and other public archives, credited on each item’s page. Maps: U.S. Geological Survey historical topographic maps (via Esri) and Sanborn fire-insurance maps (Library of Congress). History text and census tables: Wikipedia (CC BY-SA 4.0). Places that used to be: USGS Geographic Names Information System (2021). How TownRatings grades history →

From Wikimedia Commons (6), the National Register of Historic Places (7), Wikipedia, Wikidata and Wikipedia for famous people, the US Post Offices dataset (Blevins & Helbock), the USGS Geographic Names Information System and old county and town histories (Internet Archive). Archive images are copied here with their credits and licenses, shown on each photo’s page. Refreshed monthly.