Lake Clearwater is a village in the Ashburton District of New Zealand next to a lake of the same name. A basic camp ground is located between the village and the lake.

Lake Clearwater is in the Ashburton Lakes statistical area, which covers 2,995.14 km (1,156.43 sq mi) and had an estimated population of 120 as of June 2023, with a population density of 0.040 people per km.

Historical population

Year	Pop.	±% p.a.
2006	90	—
2013	102	+1.80%
2018	96	−1.21%
Source:

Ashburton Lakes had a population of 96 at the 2018 New Zealand census, a decrease of 6 people (−5.9%) since the 2013 census, and an increase of 6 people (6.7%) since the 2006 census. There were 57 households, comprising 48 males and 48 females, giving a sex ratio of 1.0 males per female. The median age was 32.3 years (compared with 37.4 years nationally), with 18 people (18.8%) aged under 15 years, 27 (28.1%) aged 15 to 29, 45 (46.9%) aged 30 to 64, and 3 (3.1%) aged 65 or older.

Ethnicities were 96.9% European/Pākehā, 3.1% Māori, and 3.1% other ethnicities. People may identify with more than one ethnicity.

The percentage of people born overseas was 6.2, compared with 27.1% nationally.

Although some people chose not to answer the census's question about religious affiliation, 56.2% had no religion, and 37.5% were Christian.

Of those at least 15 years old, 15 (19.2%) people had a bachelor's or higher degree, and 9 (11.5%) people had no formal qualifications. The median income was $33,000, compared with $31,800 nationally. 12 people (15.4%) earned over $70,000 compared to 17.2% nationally. The employment status of those at least 15 was that 51 (65.4%) people were employed full-time, and 12 (15.4%) were part-time.